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Keep all operations the same but rewrite the snippet in Java.
COBOL identification division. program-id. days-between. procedure division. compute tally = function integer-of-formatted-date('YYYY-MM-DD', '2019-11-24') - function integer-of-formatted-date('YYYY-MM-DD', '2000-01-01') display tally compute tally = function integer-of-formatted-date('YYYYMMDD', '20191124') - function integer-of-formatted-date('YYYYMMDD', '20000101') display tally goback. end program days-between.
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
Keep all operations the same but rewrite the snippet in Java.
COBOL identification division. program-id. days-between. procedure division. compute tally = function integer-of-formatted-date('YYYY-MM-DD', '2019-11-24') - function integer-of-formatted-date('YYYY-MM-DD', '2000-01-01') display tally compute tally = function integer-of-formatted-date('YYYYMMDD', '20191124') - function integer-of-formatted-date('YYYYMMDD', '20000101') display tally goback. end program days-between.
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
Write a version of this COBOL function in Python with identical behavior.
COBOL identification division. program-id. days-between. procedure division. compute tally = function integer-of-formatted-date('YYYY-MM-DD', '2019-11-24') - function integer-of-formatted-date('YYYY-MM-DD', '2000-01-01') display tally compute tally = function integer-of-formatted-date('YYYYMMDD', '20191124') - function integer-of-formatted-date('YYYYMMDD', '20000101') display tally goback. end program days-between.
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Change the following COBOL code into Python without altering its purpose.
COBOL identification division. program-id. days-between. procedure division. compute tally = function integer-of-formatted-date('YYYY-MM-DD', '2019-11-24') - function integer-of-formatted-date('YYYY-MM-DD', '2000-01-01') display tally compute tally = function integer-of-formatted-date('YYYYMMDD', '20191124') - function integer-of-formatted-date('YYYYMMDD', '20000101') display tally goback. end program days-between.
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Write the same code in VB as shown below in COBOL.
COBOL identification division. program-id. days-between. procedure division. compute tally = function integer-of-formatted-date('YYYY-MM-DD', '2019-11-24') - function integer-of-formatted-date('YYYY-MM-DD', '2000-01-01') display tally compute tally = function integer-of-formatted-date('YYYYMMDD', '20191124') - function integer-of-formatted-date('YYYYMMDD', '20000101') display tally goback. end program days-between.
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Translate this program into VB but keep the logic exactly as in COBOL.
COBOL identification division. program-id. days-between. procedure division. compute tally = function integer-of-formatted-date('YYYY-MM-DD', '2019-11-24') - function integer-of-formatted-date('YYYY-MM-DD', '2000-01-01') display tally compute tally = function integer-of-formatted-date('YYYYMMDD', '20191124') - function integer-of-formatted-date('YYYYMMDD', '20000101') display tally goback. end program days-between.
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Translate this program into Go but keep the logic exactly as in COBOL.
COBOL identification division. program-id. days-between. procedure division. compute tally = function integer-of-formatted-date('YYYY-MM-DD', '2019-11-24') - function integer-of-formatted-date('YYYY-MM-DD', '2000-01-01') display tally compute tally = function integer-of-formatted-date('YYYYMMDD', '20191124') - function integer-of-formatted-date('YYYYMMDD', '20000101') display tally goback. end program days-between.
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
Produce a language-to-language conversion: from REXX to C, same semantics.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
Write the same code in C as shown below in REXX.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
Generate a C# translation of this REXX snippet without changing its computational steps.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
using System; using System.Globalization; public class Program { public static void Main() => WriteLine(DateDiff("1970-01-01", "2019-10-18")); public static int DateDiff(string d1, string d2) { var a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture); var b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture); return (int)(b - a).TotalDays; } }
Produce a functionally identical C# code for the snippet given in REXX.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
using System; using System.Globalization; public class Program { public static void Main() => WriteLine(DateDiff("1970-01-01", "2019-10-18")); public static int DateDiff(string d1, string d2) { var a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture); var b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture); return (int)(b - a).TotalDays; } }
Rewrite the snippet below in C++ so it works the same as the original REXX code.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
Port the provided REXX code into C++ while preserving the original functionality.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
Please provide an equivalent version of this REXX code in Java.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
Produce a language-to-language conversion: from REXX to Java, same semantics.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
Rewrite this program in Python while keeping its functionality equivalent to the REXX version.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Maintain the same structure and functionality when rewriting this code in Python.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Produce a language-to-language conversion: from REXX to VB, same semantics.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Generate a VB translation of this REXX snippet without changing its computational steps.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Convert the following code from REXX to Go, ensuring the logic remains intact.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
Transform the following REXX implementation into Go, maintaining the same output and logic.
parse arg $1 $2 . say abs( date('B',$1,"I") - date('B',$2,"I") ) ' days between ' $1 " and " $2
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
Produce a functionally identical C code for the snippet given in Ruby.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
Rewrite this program in C while keeping its functionality equivalent to the Ruby version.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
Maintain the same structure and functionality when rewriting this code in C#.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
using System; using System.Globalization; public class Program { public static void Main() => WriteLine(DateDiff("1970-01-01", "2019-10-18")); public static int DateDiff(string d1, string d2) { var a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture); var b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture); return (int)(b - a).TotalDays; } }
Write the same code in C# as shown below in Ruby.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
using System; using System.Globalization; public class Program { public static void Main() => WriteLine(DateDiff("1970-01-01", "2019-10-18")); public static int DateDiff(string d1, string d2) { var a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture); var b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture); return (int)(b - a).TotalDays; } }
Change the programming language of this snippet from Ruby to C++ without modifying what it does.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
Can you help me rewrite this code in C++ instead of Ruby, keeping it the same logically?
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
Port the provided Ruby code into Java while preserving the original functionality.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
Port the provided Ruby code into Java while preserving the original functionality.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
Produce a language-to-language conversion: from Ruby to Python, same semantics.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Ensure the translated Python code behaves exactly like the original Ruby snippet.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Produce a language-to-language conversion: from Ruby to VB, same semantics.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Rewrite the snippet below in VB so it works the same as the original Ruby code.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Can you help me rewrite this code in Go instead of Ruby, keeping it the same logically?
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
Translate the given Ruby code snippet into Go without altering its behavior.
require "date" d1, d2 = Date.parse("2019-1-1"), Date.parse("2019-10-19") p (d1 - d2).to_i p (d2 - d1).to_i
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
Change the programming language of this snippet from Scala to C without modifying what it does.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
Convert this Scala snippet to C and keep its semantics consistent.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
Write the same algorithm in C# as shown in this Scala implementation.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
using System; using System.Globalization; public class Program { public static void Main() => WriteLine(DateDiff("1970-01-01", "2019-10-18")); public static int DateDiff(string d1, string d2) { var a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture); var b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture); return (int)(b - a).TotalDays; } }
Transform the following Scala implementation into C++, maintaining the same output and logic.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
Port the provided Scala code into C++ while preserving the original functionality.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
Generate an equivalent Java version of this Scala code.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
Convert this Scala snippet to Python and keep its semantics consistent.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Generate an equivalent Python version of this Scala code.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Rewrite this program in VB while keeping its functionality equivalent to the Scala version.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Port the provided Scala code into VB while preserving the original functionality.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Keep all operations the same but rewrite the snippet in Go.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
Convert this Scala block to Go, preserving its control flow and logic.
import java.time.LocalDate import java.time.temporal.ChronoUnit fun main() { val fromDate = LocalDate.parse("2019-01-01") val toDate = LocalDate.parse("2019-10-19") val diff = ChronoUnit.DAYS.between(fromDate, toDate) println("Number of days between $fromDate and $toDate: $diff") }
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
Translate this program into C but keep the logic exactly as in Swift.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
Translate this program into C but keep the logic exactly as in Swift.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
Preserve the algorithm and functionality while converting the code from Swift to C#.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
using System; using System.Globalization; public class Program { public static void Main() => WriteLine(DateDiff("1970-01-01", "2019-10-18")); public static int DateDiff(string d1, string d2) { var a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture); var b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture); return (int)(b - a).TotalDays; } }
Keep all operations the same but rewrite the snippet in C#.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
using System; using System.Globalization; public class Program { public static void Main() => WriteLine(DateDiff("1970-01-01", "2019-10-18")); public static int DateDiff(string d1, string d2) { var a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture); var b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture); return (int)(b - a).TotalDays; } }
Write the same algorithm in C++ as shown in this Swift implementation.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
Produce a functionally identical C++ code for the snippet given in Swift.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
Change the programming language of this snippet from Swift to Java without modifying what it does.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
Port the provided Swift code into Java while preserving the original functionality.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
Transform the following Swift implementation into Python, maintaining the same output and logic.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Translate the given Swift code snippet into Python without altering its behavior.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Rewrite the snippet below in VB so it works the same as the original Swift code.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Rewrite the snippet below in VB so it works the same as the original Swift code.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Rewrite this program in Go while keeping its functionality equivalent to the Swift version.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
Transform the following Swift implementation into Go, maintaining the same output and logic.
import Foundation func daysFromTimeInterval(_ interval: Double) -> Int { return Int(interval) / 86400 } let formatter = DateFormatter() formatter.dateFormat = "yyyy-MM-dd" print("Enter date one (yyyy-MM-dd): ", terminator: "") guard let date1Str = readLine(strippingNewline: true), let date1 = formatter.date(from: date1Str) else { fatalError("Invalid date two") } print("Enter date two (yyyy-MM-dd): ", terminator: "") guard let date2Str = readLine(strippingNewline: true), let date2 = formatter.date(from: date2Str) else { fatalError("Invalid date two") } let (start, end) = date1 > date2 ? (date2, date1) : (date1, date2) let days = daysFromTimeInterval(DateInterval(start: start, end: end).duration) print("There are \(days) days between \(start) and \(end)")
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
Can you help me rewrite this code in Rust instead of C, keeping it the same logically?
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Port the provided C code into Rust while preserving the original functionality.
#include<stdbool.h> #include<string.h> #include<stdio.h> typedef struct{ int year, month, day; }date; date extractDate(char* str){ return (date){.year = 1000 * (str[0]-'0') + 100 * (str[1]-'0') + 10 * (str[2]-'0') + (str[3]-'0'), .month = 10*(str[5]-'0') + (str[6]-'0'), .day = 10*(str[8]-'0') + (str[9]-'0')}; } bool isValidDate(char* str){ date newDate; if(strlen(str)!=10 && str[4]!='-' && str[7]!='-'){ return false; } newDate = extractDate(str); if(newDate.year<=0 || newDate.month<=0 || newDate.day<=0 || newDate.month>12 || (newDate.month==2 && newDate.day>29) || ((newDate.month==1 || newDate.month==3 || newDate.month==5 || newDate.month==7 || newDate.month==8 || newDate.month==10 || newDate.month==12) && newDate.day>31) || newDate.day>30 || (newDate.year%4==0 && newDate.month==2 && newDate.month>28)){ return false; } return true; } int diffDays(date date1,date date2){ int days1, days2; date1.month = (date1.month + 9)%12; date1.year = date1.year - date1.month/10; date2.month = (date2.month + 9)%12; date2.year = date2.year - date2.month/10; days1 = 365*date1.year + date1.year/4 - date1.year/100 + date1.year/400 + (date1.month*306 + 5)/10 + ( date1.day - 1 ); days2 = 365*date2.year + date2.year/4 - date2.year/100 + date2.year/400 + (date2.month*306 + 5)/10 + ( date2.day - 1 ); return days2 - days1; } int main(int argc,char** argv) { if(argc!=3){ return printf("Usage : %s <yyyy-mm-dd> <yyyy-mm-dd>",argv[0]); } if(isValidDate(argv[1])&&isValidDate(argv[2]) == false){ return printf("Dates are invalid.\n"); } printf("Days Difference : %d\n", diffDays(extractDate(argv[1]),extractDate(argv[2]))); return 0; }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Translate the given C++ code snippet into Rust without altering its behavior.
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Please provide an equivalent version of this C++ code in Rust.
#include <iomanip> #include <iostream> class Date { private: int year, month, day; public: Date(std::string str) { if (isValidDate(str)) { year = atoi(&str[0]); month = atoi(&str[5]); day = atoi(&str[8]); } else { throw std::exception("Invalid date"); } } int getYear() { return year; } int getMonth() { return month; } int getDay() { return day; } static bool isValidDate(std::string str) { if (str.length() != 10 || str[4] != '-' || str[7] != '-') { return false; } if (!isdigit(str[0]) || !isdigit(str[1]) || !isdigit(str[2]) || !isdigit(str[3])) { return false; } if (!isdigit(str[5]) || !isdigit(str[6])) { return false; } if (!isdigit(str[8]) || !isdigit(str[9])) { return false; } int year = atoi(&str[0]); int month = atoi(&str[5]); int day = atoi(&str[8]); if (year <= 0 || month <= 0 || day <= 0) { return false; } if (month > 12) { return false; } switch (month) { case 2: if (day > 29) { return false; } if (!isLeapYear(year) && day == 29) { return false; } break; case 1: case 3: case 5: case 7: case 8: case 10: case 12: if (day > 31) { return false; } break; default: if (day > 30) { return false; } break; } return true; } static bool isLeapYear(int year) { if (year > 1582) { return ((year % 4 == 0) && (year % 100 > 0)) || (year % 400 == 0); } if (year > 10) { return year % 4 == 0; } return false; } friend std::ostream &operator<<(std::ostream &, Date &); }; std::ostream &operator<<(std::ostream &os, Date &d) { os << std::setfill('0') << std::setw(4) << d.year << '-'; os << std::setfill('0') << std::setw(2) << d.month << '-'; os << std::setfill('0') << std::setw(2) << d.day; return os; } int diffDays(Date date1, Date date2) { int d1m = (date1.getMonth() + 9) % 12; int d1y = date1.getYear() - d1m / 10; int d2m = (date2.getMonth() + 9) % 12; int d2y = date2.getYear() - d2m / 10; int days1 = 365 * d1y + d1y / 4 - d1y / 100 + d1y / 400 + (d1m * 306 + 5) / 10 + (date1.getDay() - 1); int days2 = 365 * d2y + d2y / 4 - d2y / 100 + d2y / 400 + (d2m * 306 + 5) / 10 + (date2.getDay() - 1); return days2 - days1; } int main() { std::string ds1 = "2019-01-01"; std::string ds2 = "2019-12-02"; if (Date::isValidDate(ds1) && Date::isValidDate(ds2)) { Date d1(ds1); Date d2(ds2); std::cout << "Days difference : " << diffDays(d1, d2); } else { std::cout << "Dates are invalid.\n"; } return 0; }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Write a version of this C# function in Rust with identical behavior.
using System; using System.Globalization; public class Program { public static void Main() => WriteLine(DateDiff("1970-01-01", "2019-10-18")); public static int DateDiff(string d1, string d2) { var a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture); var b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture); return (int)(b - a).TotalDays; } }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Convert this Go snippet to Rust and keep its semantics consistent.
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Generate a Rust translation of this Go snippet without changing its computational steps.
package main import ( "fmt" "log" "time" ) const layout = "2006-01-02" func daysBetween(date1, date2 string) int { t1, err := time.Parse(layout, date1) check(err) t2, err := time.Parse(layout, date2) check(err) days := int(t1.Sub(t2).Hours() / 24) if days < 0 { days = -days } return days } func check(err error) { if err != nil { log.Fatal(err) } } func main() { date1, date2 := "2019-01-01", "2019-09-30" days := daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) date1, date2 = "2015-12-31", "2016-09-30" days = daysBetween(date1, date2) fmt.Printf("There are %d days between %s and %s\n", days, date1, date2) }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Change the programming language of this snippet from Rust to Python without modifying what it does.
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Generate an equivalent VB version of this Rust code.
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Generate a VB translation of this Rust snippet without changing its computational steps.
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Imports System.Globalization Module Module1 Function DateDiff(d1 As String, d2 As String) As Integer Dim a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture) Dim b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture) Return (b - a).TotalDays End Function Sub Main() Console.WriteLine(DateDiff("1970-01-01", "2019-10-18")) End Sub End Module
Port the following code from C# to Rust with equivalent syntax and logic.
using System; using System.Globalization; public class Program { public static void Main() => WriteLine(DateDiff("1970-01-01", "2019-10-18")); public static int DateDiff(string d1, string d2) { var a = DateTime.ParseExact(d1, "yyyy-MM-dd", CultureInfo.InvariantCulture); var b = DateTime.ParseExact(d2, "yyyy-MM-dd", CultureInfo.InvariantCulture); return (int)(b - a).TotalDays; } }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Port the provided Java code into Rust while preserving the original functionality.
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Keep all operations the same but rewrite the snippet in Rust.
import java.time.LocalDate; import java.time.temporal.ChronoUnit; public class DaysBetweenDates { public static void main(String[] args) { LocalDate fromDate = LocalDate.parse("2019-01-01"); LocalDate toDate = LocalDate.parse("2019-10-19"); long diff = ChronoUnit.DAYS.between(fromDate, toDate); System.out.printf("Number of days between %s and %s: %d\n", fromDate, toDate, diff); } }
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
Change the programming language of this snippet from Rust to Python without modifying what it does.
use chrono::NaiveDate; fn main() { let args: Vec<String> = std::env::args().collect(); if args.len() != 3 { eprintln!("usage: {} start-date end-date", args[0]); std::process::exit(1); } if let Ok(start_date) = NaiveDate::parse_from_str(&args[1], "%F") { if let Ok(end_date) = NaiveDate::parse_from_str(&args[2], "%F") { let d = end_date.signed_duration_since(start_date); println!("{}", d.num_days()); } else { eprintln!("Can't parse end date"); std::process::exit(1); } } else { eprintln!("Can't parse start date"); std::process::exit(1); } }
import sys def days( y,m,d ): m = (m + 9) % 12 y = y - m/10 result = 365*y + y/4 - y/100 + y/400 + (m*306 + 5)/10 + ( d - 1 ) return result def diff(one,two): [y1,m1,d1] = one.split('-') [y2,m2,d2] = two.split('-') year2 = days( int(y2),int(m2),int(d2)) year1 = days( int(y1), int(m1), int(d1) ) return year2 - year1 if __name__ == "__main__": one = sys.argv[1] two = sys.argv[2] print diff(one,two)
Keep all operations the same but rewrite the snippet in C#.
with Ada.Text_IO, Ada.Strings.Fixed; use Ada.Text_IO, Ada.Strings, Ada.Strings.Fixed; function "+" (S : String) return String is Item : constant Character := S (S'First); begin for Index in S'First + 1..S'Last loop if Item /= S (Index) then return Trim (Integer'Image (Index - S'First), Both) & Item & (+(S (Index..S'Last))); end if; end loop; return Trim (Integer'Image (S'Length), Both) & Item; end "+";
using System; using System.Text; using System.Linq; class Program { static string lookandsay(string number) { StringBuilder result = new StringBuilder(); char repeat = number[0]; number = number.Substring(1, number.Length-1)+" "; int times = 1; foreach (char actual in number) { if (actual != repeat) { result.Append(Convert.ToString(times)+repeat); times = 1; repeat = actual; } else { times += 1; } } return result.ToString(); } static void Main(string[] args) { string num = "1"; foreach (int i in Enumerable.Range(1, 10)) { Console.WriteLine(num); num = lookandsay(num); } } }
Convert this Ada block to C, preserving its control flow and logic.
with Ada.Text_IO, Ada.Strings.Fixed; use Ada.Text_IO, Ada.Strings, Ada.Strings.Fixed; function "+" (S : String) return String is Item : constant Character := S (S'First); begin for Index in S'First + 1..S'Last loop if Item /= S (Index) then return Trim (Integer'Image (Index - S'First), Both) & Item & (+(S (Index..S'Last))); end if; end loop; return Trim (Integer'Image (S'Length), Both) & Item; end "+";
#include <stdio.h> #include <stdlib.h> int main() { char *a = malloc(2), *b = 0, *x, c; int cnt, len = 1; for (sprintf(a, "1"); (b = realloc(b, len * 2 + 1)); a = b, b = x) { puts(x = a); for (len = 0, cnt = 1; (c = *a); ) { if (c == *++a) cnt++; else if (c) { len += sprintf(b + len, "%d%c", cnt, c); cnt = 1; } } } return 0; }
Produce a language-to-language conversion: from Ada to C++, same semantics.
with Ada.Text_IO, Ada.Strings.Fixed; use Ada.Text_IO, Ada.Strings, Ada.Strings.Fixed; function "+" (S : String) return String is Item : constant Character := S (S'First); begin for Index in S'First + 1..S'Last loop if Item /= S (Index) then return Trim (Integer'Image (Index - S'First), Both) & Item & (+(S (Index..S'Last))); end if; end loop; return Trim (Integer'Image (S'Length), Both) & Item; end "+";
#include <iostream> #include <sstream> #include <string> std::string lookandsay(const std::string& s) { std::ostringstream r; for (std::size_t i = 0; i != s.length();) { auto new_i = s.find_first_not_of(s[i], i + 1); if (new_i == std::string::npos) new_i = s.length(); r << new_i - i << s[i]; i = new_i; } return r.str(); } int main() { std::string laf = "1"; std::cout << laf << '\n'; for (int i = 0; i < 10; ++i) { laf = lookandsay(laf); std::cout << laf << '\n'; } }
Please provide an equivalent version of this Ada code in Go.
with Ada.Text_IO, Ada.Strings.Fixed; use Ada.Text_IO, Ada.Strings, Ada.Strings.Fixed; function "+" (S : String) return String is Item : constant Character := S (S'First); begin for Index in S'First + 1..S'Last loop if Item /= S (Index) then return Trim (Integer'Image (Index - S'First), Both) & Item & (+(S (Index..S'Last))); end if; end loop; return Trim (Integer'Image (S'Length), Both) & Item; end "+";
package main import ( "fmt" "strconv" ) func lss(s string) (r string) { c := s[0] nc := 1 for i := 1; i < len(s); i++ { d := s[i] if d == c { nc++ continue } r += strconv.Itoa(nc) + string(c) c = d nc = 1 } return r + strconv.Itoa(nc) + string(c) } func main() { s := "1" fmt.Println(s) for i := 0; i < 8; i++ { s = lss(s) fmt.Println(s) } }
Rewrite the snippet below in Java so it works the same as the original Ada code.
with Ada.Text_IO, Ada.Strings.Fixed; use Ada.Text_IO, Ada.Strings, Ada.Strings.Fixed; function "+" (S : String) return String is Item : constant Character := S (S'First); begin for Index in S'First + 1..S'Last loop if Item /= S (Index) then return Trim (Integer'Image (Index - S'First), Both) & Item & (+(S (Index..S'Last))); end if; end loop; return Trim (Integer'Image (S'Length), Both) & Item; end "+";
public static String lookandsay(String number){ StringBuilder result= new StringBuilder(); char repeat= number.charAt(0); number= number.substring(1) + " "; int times= 1; for(char actual: number.toCharArray()){ if(actual != repeat){ result.append(times + "" + repeat); times= 1; repeat= actual; }else{ times+= 1; } } return result.toString(); }
Rewrite this program in Python while keeping its functionality equivalent to the Ada version.
with Ada.Text_IO, Ada.Strings.Fixed; use Ada.Text_IO, Ada.Strings, Ada.Strings.Fixed; function "+" (S : String) return String is Item : constant Character := S (S'First); begin for Index in S'First + 1..S'Last loop if Item /= S (Index) then return Trim (Integer'Image (Index - S'First), Both) & Item & (+(S (Index..S'Last))); end if; end loop; return Trim (Integer'Image (S'Length), Both) & Item; end "+";
def lookandsay(number): result = "" repeat = number[0] number = number[1:]+" " times = 1 for actual in number: if actual != repeat: result += str(times)+repeat times = 1 repeat = actual else: times += 1 return result num = "1" for i in range(10): print num num = lookandsay(num)
Rewrite the snippet below in VB so it works the same as the original Ada code.
with Ada.Text_IO, Ada.Strings.Fixed; use Ada.Text_IO, Ada.Strings, Ada.Strings.Fixed; function "+" (S : String) return String is Item : constant Character := S (S'First); begin for Index in S'First + 1..S'Last loop if Item /= S (Index) then return Trim (Integer'Image (Index - S'First), Both) & Item & (+(S (Index..S'Last))); end if; end loop; return Trim (Integer'Image (S'Length), Both) & Item; end "+";
function looksay( n ) dim i dim accum dim res dim c res = vbnullstring do if n = vbnullstring then exit do accum = 0 c = left( n,1 ) do while left( n, 1 ) = c accum = accum + 1 n = mid(n,2) loop if accum > 0 then res = res & accum & c end if loop looksay = res end function
Change the programming language of this snippet from Arturo to C without modifying what it does.
lookAndSay: function [n][ if n=0 -> return "1" previous: lookAndSay n-1 result: new "" currentCounter: 0 currentCh: first previous loop previous 'ch [ if? currentCh <> ch [ if not? zero? currentCounter -> 'result ++ (to :string currentCounter) ++ currentCh currentCounter: 1 currentCh: ch ] else -> currentCounter: currentCounter + 1 ] 'result ++ (to :string currentCounter) ++ currentCh return result ] loop 0..10 'x [ print [x "->" lookAndSay x] ]
#include <stdio.h> #include <stdlib.h> int main() { char *a = malloc(2), *b = 0, *x, c; int cnt, len = 1; for (sprintf(a, "1"); (b = realloc(b, len * 2 + 1)); a = b, b = x) { puts(x = a); for (len = 0, cnt = 1; (c = *a); ) { if (c == *++a) cnt++; else if (c) { len += sprintf(b + len, "%d%c", cnt, c); cnt = 1; } } } return 0; }
Port the provided Arturo code into C# while preserving the original functionality.
lookAndSay: function [n][ if n=0 -> return "1" previous: lookAndSay n-1 result: new "" currentCounter: 0 currentCh: first previous loop previous 'ch [ if? currentCh <> ch [ if not? zero? currentCounter -> 'result ++ (to :string currentCounter) ++ currentCh currentCounter: 1 currentCh: ch ] else -> currentCounter: currentCounter + 1 ] 'result ++ (to :string currentCounter) ++ currentCh return result ] loop 0..10 'x [ print [x "->" lookAndSay x] ]
using System; using System.Text; using System.Linq; class Program { static string lookandsay(string number) { StringBuilder result = new StringBuilder(); char repeat = number[0]; number = number.Substring(1, number.Length-1)+" "; int times = 1; foreach (char actual in number) { if (actual != repeat) { result.Append(Convert.ToString(times)+repeat); times = 1; repeat = actual; } else { times += 1; } } return result.ToString(); } static void Main(string[] args) { string num = "1"; foreach (int i in Enumerable.Range(1, 10)) { Console.WriteLine(num); num = lookandsay(num); } } }
Preserve the algorithm and functionality while converting the code from Arturo to C++.
lookAndSay: function [n][ if n=0 -> return "1" previous: lookAndSay n-1 result: new "" currentCounter: 0 currentCh: first previous loop previous 'ch [ if? currentCh <> ch [ if not? zero? currentCounter -> 'result ++ (to :string currentCounter) ++ currentCh currentCounter: 1 currentCh: ch ] else -> currentCounter: currentCounter + 1 ] 'result ++ (to :string currentCounter) ++ currentCh return result ] loop 0..10 'x [ print [x "->" lookAndSay x] ]
#include <iostream> #include <sstream> #include <string> std::string lookandsay(const std::string& s) { std::ostringstream r; for (std::size_t i = 0; i != s.length();) { auto new_i = s.find_first_not_of(s[i], i + 1); if (new_i == std::string::npos) new_i = s.length(); r << new_i - i << s[i]; i = new_i; } return r.str(); } int main() { std::string laf = "1"; std::cout << laf << '\n'; for (int i = 0; i < 10; ++i) { laf = lookandsay(laf); std::cout << laf << '\n'; } }
Translate the given Arturo code snippet into Java without altering its behavior.
lookAndSay: function [n][ if n=0 -> return "1" previous: lookAndSay n-1 result: new "" currentCounter: 0 currentCh: first previous loop previous 'ch [ if? currentCh <> ch [ if not? zero? currentCounter -> 'result ++ (to :string currentCounter) ++ currentCh currentCounter: 1 currentCh: ch ] else -> currentCounter: currentCounter + 1 ] 'result ++ (to :string currentCounter) ++ currentCh return result ] loop 0..10 'x [ print [x "->" lookAndSay x] ]
public static String lookandsay(String number){ StringBuilder result= new StringBuilder(); char repeat= number.charAt(0); number= number.substring(1) + " "; int times= 1; for(char actual: number.toCharArray()){ if(actual != repeat){ result.append(times + "" + repeat); times= 1; repeat= actual; }else{ times+= 1; } } return result.toString(); }
Produce a language-to-language conversion: from Arturo to Python, same semantics.
lookAndSay: function [n][ if n=0 -> return "1" previous: lookAndSay n-1 result: new "" currentCounter: 0 currentCh: first previous loop previous 'ch [ if? currentCh <> ch [ if not? zero? currentCounter -> 'result ++ (to :string currentCounter) ++ currentCh currentCounter: 1 currentCh: ch ] else -> currentCounter: currentCounter + 1 ] 'result ++ (to :string currentCounter) ++ currentCh return result ] loop 0..10 'x [ print [x "->" lookAndSay x] ]
def lookandsay(number): result = "" repeat = number[0] number = number[1:]+" " times = 1 for actual in number: if actual != repeat: result += str(times)+repeat times = 1 repeat = actual else: times += 1 return result num = "1" for i in range(10): print num num = lookandsay(num)
Convert this Arturo block to VB, preserving its control flow and logic.
lookAndSay: function [n][ if n=0 -> return "1" previous: lookAndSay n-1 result: new "" currentCounter: 0 currentCh: first previous loop previous 'ch [ if? currentCh <> ch [ if not? zero? currentCounter -> 'result ++ (to :string currentCounter) ++ currentCh currentCounter: 1 currentCh: ch ] else -> currentCounter: currentCounter + 1 ] 'result ++ (to :string currentCounter) ++ currentCh return result ] loop 0..10 'x [ print [x "->" lookAndSay x] ]
function looksay( n ) dim i dim accum dim res dim c res = vbnullstring do if n = vbnullstring then exit do accum = 0 c = left( n,1 ) do while left( n, 1 ) = c accum = accum + 1 n = mid(n,2) loop if accum > 0 then res = res & accum & c end if loop looksay = res end function
Change the following Arturo code into Go without altering its purpose.
lookAndSay: function [n][ if n=0 -> return "1" previous: lookAndSay n-1 result: new "" currentCounter: 0 currentCh: first previous loop previous 'ch [ if? currentCh <> ch [ if not? zero? currentCounter -> 'result ++ (to :string currentCounter) ++ currentCh currentCounter: 1 currentCh: ch ] else -> currentCounter: currentCounter + 1 ] 'result ++ (to :string currentCounter) ++ currentCh return result ] loop 0..10 'x [ print [x "->" lookAndSay x] ]
package main import ( "fmt" "strconv" ) func lss(s string) (r string) { c := s[0] nc := 1 for i := 1; i < len(s); i++ { d := s[i] if d == c { nc++ continue } r += strconv.Itoa(nc) + string(c) c = d nc = 1 } return r + strconv.Itoa(nc) + string(c) } func main() { s := "1" fmt.Println(s) for i := 0; i < 8; i++ { s = lss(s) fmt.Println(s) } }
Change the programming language of this snippet from AutoHotKey to C without modifying what it does.
AutoExecute: Gui, -MinimizeBox Gui, Add, Edit, w500 r20 vInput, 1 Gui, Add, Button, x155 w100 Default, &Calculate Gui, Add, Button, xp+110 yp wp, E&xit Gui, Show,, Look-and-Say sequence Return ButtonCalculate: Gui, Submit, NoHide GuiControl,, Input, % LookAndSay(Input) Return GuiClose: ButtonExit: ExitApp Return LookAndSay(Input) {       Loop, Parse, Input   If (A_LoopField = d)   c += 1   Else {   r .= c d   c := 1   d := A_LoopField   } Return, r c d }
#include <stdio.h> #include <stdlib.h> int main() { char *a = malloc(2), *b = 0, *x, c; int cnt, len = 1; for (sprintf(a, "1"); (b = realloc(b, len * 2 + 1)); a = b, b = x) { puts(x = a); for (len = 0, cnt = 1; (c = *a); ) { if (c == *++a) cnt++; else if (c) { len += sprintf(b + len, "%d%c", cnt, c); cnt = 1; } } } return 0; }
Convert this AutoHotKey snippet to C# and keep its semantics consistent.
AutoExecute: Gui, -MinimizeBox Gui, Add, Edit, w500 r20 vInput, 1 Gui, Add, Button, x155 w100 Default, &Calculate Gui, Add, Button, xp+110 yp wp, E&xit Gui, Show,, Look-and-Say sequence Return ButtonCalculate: Gui, Submit, NoHide GuiControl,, Input, % LookAndSay(Input) Return GuiClose: ButtonExit: ExitApp Return LookAndSay(Input) {       Loop, Parse, Input   If (A_LoopField = d)   c += 1   Else {   r .= c d   c := 1   d := A_LoopField   } Return, r c d }
using System; using System.Text; using System.Linq; class Program { static string lookandsay(string number) { StringBuilder result = new StringBuilder(); char repeat = number[0]; number = number.Substring(1, number.Length-1)+" "; int times = 1; foreach (char actual in number) { if (actual != repeat) { result.Append(Convert.ToString(times)+repeat); times = 1; repeat = actual; } else { times += 1; } } return result.ToString(); } static void Main(string[] args) { string num = "1"; foreach (int i in Enumerable.Range(1, 10)) { Console.WriteLine(num); num = lookandsay(num); } } }
Write the same algorithm in C++ as shown in this AutoHotKey implementation.
AutoExecute: Gui, -MinimizeBox Gui, Add, Edit, w500 r20 vInput, 1 Gui, Add, Button, x155 w100 Default, &Calculate Gui, Add, Button, xp+110 yp wp, E&xit Gui, Show,, Look-and-Say sequence Return ButtonCalculate: Gui, Submit, NoHide GuiControl,, Input, % LookAndSay(Input) Return GuiClose: ButtonExit: ExitApp Return LookAndSay(Input) {       Loop, Parse, Input   If (A_LoopField = d)   c += 1   Else {   r .= c d   c := 1   d := A_LoopField   } Return, r c d }
#include <iostream> #include <sstream> #include <string> std::string lookandsay(const std::string& s) { std::ostringstream r; for (std::size_t i = 0; i != s.length();) { auto new_i = s.find_first_not_of(s[i], i + 1); if (new_i == std::string::npos) new_i = s.length(); r << new_i - i << s[i]; i = new_i; } return r.str(); } int main() { std::string laf = "1"; std::cout << laf << '\n'; for (int i = 0; i < 10; ++i) { laf = lookandsay(laf); std::cout << laf << '\n'; } }
Convert the following code from AutoHotKey to Java, ensuring the logic remains intact.
AutoExecute: Gui, -MinimizeBox Gui, Add, Edit, w500 r20 vInput, 1 Gui, Add, Button, x155 w100 Default, &Calculate Gui, Add, Button, xp+110 yp wp, E&xit Gui, Show,, Look-and-Say sequence Return ButtonCalculate: Gui, Submit, NoHide GuiControl,, Input, % LookAndSay(Input) Return GuiClose: ButtonExit: ExitApp Return LookAndSay(Input) {       Loop, Parse, Input   If (A_LoopField = d)   c += 1   Else {   r .= c d   c := 1   d := A_LoopField   } Return, r c d }
public static String lookandsay(String number){ StringBuilder result= new StringBuilder(); char repeat= number.charAt(0); number= number.substring(1) + " "; int times= 1; for(char actual: number.toCharArray()){ if(actual != repeat){ result.append(times + "" + repeat); times= 1; repeat= actual; }else{ times+= 1; } } return result.toString(); }
Translate this program into Python but keep the logic exactly as in AutoHotKey.
AutoExecute: Gui, -MinimizeBox Gui, Add, Edit, w500 r20 vInput, 1 Gui, Add, Button, x155 w100 Default, &Calculate Gui, Add, Button, xp+110 yp wp, E&xit Gui, Show,, Look-and-Say sequence Return ButtonCalculate: Gui, Submit, NoHide GuiControl,, Input, % LookAndSay(Input) Return GuiClose: ButtonExit: ExitApp Return LookAndSay(Input) {       Loop, Parse, Input   If (A_LoopField = d)   c += 1   Else {   r .= c d   c := 1   d := A_LoopField   } Return, r c d }
def lookandsay(number): result = "" repeat = number[0] number = number[1:]+" " times = 1 for actual in number: if actual != repeat: result += str(times)+repeat times = 1 repeat = actual else: times += 1 return result num = "1" for i in range(10): print num num = lookandsay(num)
Port the following code from AutoHotKey to VB with equivalent syntax and logic.
AutoExecute: Gui, -MinimizeBox Gui, Add, Edit, w500 r20 vInput, 1 Gui, Add, Button, x155 w100 Default, &Calculate Gui, Add, Button, xp+110 yp wp, E&xit Gui, Show,, Look-and-Say sequence Return ButtonCalculate: Gui, Submit, NoHide GuiControl,, Input, % LookAndSay(Input) Return GuiClose: ButtonExit: ExitApp Return LookAndSay(Input) {       Loop, Parse, Input   If (A_LoopField = d)   c += 1   Else {   r .= c d   c := 1   d := A_LoopField   } Return, r c d }
function looksay( n ) dim i dim accum dim res dim c res = vbnullstring do if n = vbnullstring then exit do accum = 0 c = left( n,1 ) do while left( n, 1 ) = c accum = accum + 1 n = mid(n,2) loop if accum > 0 then res = res & accum & c end if loop looksay = res end function
Transform the following AutoHotKey implementation into Go, maintaining the same output and logic.
AutoExecute: Gui, -MinimizeBox Gui, Add, Edit, w500 r20 vInput, 1 Gui, Add, Button, x155 w100 Default, &Calculate Gui, Add, Button, xp+110 yp wp, E&xit Gui, Show,, Look-and-Say sequence Return ButtonCalculate: Gui, Submit, NoHide GuiControl,, Input, % LookAndSay(Input) Return GuiClose: ButtonExit: ExitApp Return LookAndSay(Input) {       Loop, Parse, Input   If (A_LoopField = d)   c += 1   Else {   r .= c d   c := 1   d := A_LoopField   } Return, r c d }
package main import ( "fmt" "strconv" ) func lss(s string) (r string) { c := s[0] nc := 1 for i := 1; i < len(s); i++ { d := s[i] if d == c { nc++ continue } r += strconv.Itoa(nc) + string(c) c = d nc = 1 } return r + strconv.Itoa(nc) + string(c) } func main() { s := "1" fmt.Println(s) for i := 0; i < 8; i++ { s = lss(s) fmt.Println(s) } }
Change the programming language of this snippet from AWK to C without modifying what it does.
function lookandsay(a) { s = "" c = 1 p = substr(a, 1, 1) for(i=2; i <= length(a); i++) { if ( p == substr(a, i, 1) ) { c++ } else { s = s sprintf("%d%s", c, p) p = substr(a, i, 1) c = 1 } } s = s sprintf("%d%s", c, p) return s } BEGIN { b = "1" print b for(k=1; k <= 10; k++) { b = lookandsay(b) print b } }
#include <stdio.h> #include <stdlib.h> int main() { char *a = malloc(2), *b = 0, *x, c; int cnt, len = 1; for (sprintf(a, "1"); (b = realloc(b, len * 2 + 1)); a = b, b = x) { puts(x = a); for (len = 0, cnt = 1; (c = *a); ) { if (c == *++a) cnt++; else if (c) { len += sprintf(b + len, "%d%c", cnt, c); cnt = 1; } } } return 0; }
Rewrite this program in C# while keeping its functionality equivalent to the AWK version.
function lookandsay(a) { s = "" c = 1 p = substr(a, 1, 1) for(i=2; i <= length(a); i++) { if ( p == substr(a, i, 1) ) { c++ } else { s = s sprintf("%d%s", c, p) p = substr(a, i, 1) c = 1 } } s = s sprintf("%d%s", c, p) return s } BEGIN { b = "1" print b for(k=1; k <= 10; k++) { b = lookandsay(b) print b } }
using System; using System.Text; using System.Linq; class Program { static string lookandsay(string number) { StringBuilder result = new StringBuilder(); char repeat = number[0]; number = number.Substring(1, number.Length-1)+" "; int times = 1; foreach (char actual in number) { if (actual != repeat) { result.Append(Convert.ToString(times)+repeat); times = 1; repeat = actual; } else { times += 1; } } return result.ToString(); } static void Main(string[] args) { string num = "1"; foreach (int i in Enumerable.Range(1, 10)) { Console.WriteLine(num); num = lookandsay(num); } } }
Write the same code in C++ as shown below in AWK.
function lookandsay(a) { s = "" c = 1 p = substr(a, 1, 1) for(i=2; i <= length(a); i++) { if ( p == substr(a, i, 1) ) { c++ } else { s = s sprintf("%d%s", c, p) p = substr(a, i, 1) c = 1 } } s = s sprintf("%d%s", c, p) return s } BEGIN { b = "1" print b for(k=1; k <= 10; k++) { b = lookandsay(b) print b } }
#include <iostream> #include <sstream> #include <string> std::string lookandsay(const std::string& s) { std::ostringstream r; for (std::size_t i = 0; i != s.length();) { auto new_i = s.find_first_not_of(s[i], i + 1); if (new_i == std::string::npos) new_i = s.length(); r << new_i - i << s[i]; i = new_i; } return r.str(); } int main() { std::string laf = "1"; std::cout << laf << '\n'; for (int i = 0; i < 10; ++i) { laf = lookandsay(laf); std::cout << laf << '\n'; } }
Write a version of this AWK function in Java with identical behavior.
function lookandsay(a) { s = "" c = 1 p = substr(a, 1, 1) for(i=2; i <= length(a); i++) { if ( p == substr(a, i, 1) ) { c++ } else { s = s sprintf("%d%s", c, p) p = substr(a, i, 1) c = 1 } } s = s sprintf("%d%s", c, p) return s } BEGIN { b = "1" print b for(k=1; k <= 10; k++) { b = lookandsay(b) print b } }
public static String lookandsay(String number){ StringBuilder result= new StringBuilder(); char repeat= number.charAt(0); number= number.substring(1) + " "; int times= 1; for(char actual: number.toCharArray()){ if(actual != repeat){ result.append(times + "" + repeat); times= 1; repeat= actual; }else{ times+= 1; } } return result.toString(); }