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4 values
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.*; import java.util.*; import java.math.*; public class c370C { public static void main(String[] args) { Scanner in = new Scanner(System.in); int x = in.nextInt(); int y = in.nextInt(); int[] sides = new int[]{y,y,y}; int minIndex = 0; int count = 0; while(sides[minIndex] < x) {...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { long long int a, b, c, incr; long long int x, y; cin >> x >> y; int result = 0; a = b = c = y; while (true) { if (a == x && b == x && c == x) break; result++; incr = a + b + c - min(a, min(b, c)) - 1; if (a <= b && a <= c) a = ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
// -*- coding: utf-8 -*- //import java.awt.*; import java.io.*; import java.math.*; import java.text.*; import java.util.*; public class Main { public static void main(String[] args) { InputStream inputStream; if (args.length > 0 && args[0].equals("devTesting")) { try { inputStream = new FileIn...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; public class tp { public static void main(String args[]){ Scanner s= new Scanner(System.in); int x=s.nextInt(); int y= s.nextInt(); int a=y,b=y,c=y; int sec=1; while(true){ if(a>=x && b>=x && c>=x) { System.out.println(sec-1); return; } if(sec%3==1) a=b+c-1; ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
x, a = map(int, input().split()) b = c = a res = 0 while a < x: a, b, c = b, c, b + c - 1 res += 1 print(res)
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
x,y = map(int,input().split()) cnt = 0 a=b=c=y while not (a>=x and b>=x and c>=x): if cnt%3==0: a = b+c-1 elif cnt%3==1: b = a+c-1 else: c = a+b-1 cnt += 1 print(cnt)
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; inline int read(int x = 0, int f = 1, char ch = '0') { while (!isdigit(ch = getchar())) if (ch == '-') f = -1; while (isdigit(ch)) x = x * 10 + ch - '0', ch = getchar(); return f * x; } const int N = 100000 + 5; int x, y; int a, b, c; int main() { cin >> y >> x;...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
x,y = map(int, raw_input().split(" ")) #print x,y tup = [y,y,y] goal = [x,x,x] count = 0 while tuple(tup) != tuple(goal): tup = sorted(tup) tup[0] = min(tup[1] + tup[2] - 1, x) count += 1 print count
PYTHON
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int x, y; cin >> x >> y; int a = y, b = y, c = y; int op = 1; a = b + c - 1; int flag = 0; if (a >= x) { a = x; flag = 1; } while (flag == 0) { if (op % 3 == 1) { b = a + c - 1; if (b >= x) { b = x; flag...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; public class Luck{ public static void main(String[] args){ Scanner sc=new Scanner(System.in); int x=sc.nextInt(); int y=sc.nextInt(); int[] A=new int[3]; A[0]=y; A[1]=y; A[2]=y; int res=0; while(true){ A[0]=(A[1]+A[2]-1); Arrays.sort(A); res+=1; if(A[0]>=x){ break...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; import java.math.*; import java.io.*; import java.text.*; public class A { static class Node implements Comparable<Node>{ int x; long w; int id; public Node(int x,long w,int id){ this.x=x; this.w=w; this.id=id; } ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
x,y=map(int,input().split()) a=b=c=y turn=0 while(1): if(a>=x and b>=x and c>=x): print(turn) break elif(turn%3==0): c=a+b-1 elif(turn%3==1): b=a+c-1 else: a=b+c-1 turn+=1
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; long long n, cnt, x, y, arr[3]; int main() { ios_base::sync_with_stdio(0); cin.tie(0); cin >> x >> y; for (long long i = 0; i <= 2; i++) arr[i] = y; while (arr[0] != x) { arr[0] = min(arr[1] + arr[2] - 1, x); sort(arr, arr + 3); cnt++; } cout << cn...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.*; import java.util.*; public class Main { public static void main(String[] args)throws java.lang.Exception { BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); PrintWriter out=new PrintWriter(System.out); int x,y,ans,all,i; StringTokenizer st=new StringTokenizer(in.readLine().tr...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int x, y; int a[5], ans; int main() { scanf("%d%d", &x, &y); int z = x + y; x = min(x, y); y = z - x; a[1] = a[2] = a[3] = x; for (; a[1] != y || a[2] != y || a[3] != y; ++ans) { sort(a + 1, a + 3 + 1); a[1] = min(a[2] + a[3] - 1, y); } cout << ans <...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.math.BigInteger; import java.util.Arrays; import java.util.StringTokenizer; public class CF712C { public static void main(String args[]){ InputReader in =...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int x, y; int a[3]; int main() { cin >> x >> y; int t = 0; for (int i = 0; i <= 2; i++) a[i] = y; while (a[0] != x) { t++; sort(a, a + 3); a[0] = a[1] + a[2] - 1; a[0] = min(x, a[0]); } cout << t + 2; return 0; }
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { std::ios::sync_with_stdio(false); int x, y; while (~scanf("%d%d", &y, &x)) { int a[5]; a[0] = a[1] = a[2] = x; int res = 0; while (true) { if (a[0] == a[1] && a[0] == a[2] && a[0] == y) break; sort(a, a + 3); a[0] = min(y...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
def solve(x, y): A = [y]*3 k = 0 while A[0] != x: k += 1 A[0] = min(A[1] + A[2] - 1, x) A.sort() return k x, y = map(int, input().split()) print(solve(x, y))
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int x, y; int ans = 1000000000; int solve(int a, int b, int c) { if (c > a) swap(a, c); if (b > a) swap(a, b); if (c > b) swap(c, b); if (a == b && b == c && c == x) return 0; return solve(a, b, min(x, a + b - 1)) + 1; } int main() { ios_base::sync_with_stdio(0)...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; import java.io.*; public class CF712C{ public static int index; public static void main(String[] args)throws Exception { InputReader in = new InputReader(System.in); PrintWriter pw = new PrintWriter(new OutputStreamWriter(System.out)); int n = in.nextInt() , m =in.nextInt(); ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; public class Main { public static void main(String []args){ Scanner sc=new Scanner (System.in); int x=sc.nextInt();int y=sc.nextInt(); int a=y,b=y,c=y; long count=0; while(a!=x||b!=x||c!=x){ c=a+b-1<x?a+b-1:x; int temp=c; c=b;b=a;a=temp; count++; } System.out.println(count...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; public class DeEvolution { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); int x = sc.nextInt(); int y = sc.nextInt(); int y1 = y; int y2 = y; int y3 = y; int count = 0; //int temp = y3; while(y1!=x || y2!=x || ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int ans, x; void func(int a[]) { int t = 0; for (int i = 0; i < 3; i++) { t += (a[i] == x); } if (t > 0) { ans += 3 - t; return; } a[0] = min(x, a[1] + a[2] - 1); sort(a, a + 3); ans++; func(a); } int main() { int y; ans = 0; cin >> x >> ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; import java.io.*; /** * * @author umang */ public class C712 { public static int mod = 1000000007; public static void main(String[] args) { InputReader in = new InputReader(System.in); PrintWriter w = new PrintWriter(System.out); int x = in....
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int toNumber(string s) { int Number; if (!(istringstream(s) >> Number)) Number = 0; return Number; } string toString(int number) { ostringstream ostr; ostr << number; return ostr.str(); } int main() { int x, y; cin >> x >> y; int a[3]; for (int i = 0; i ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int x, y1, i = 0; cin >> x >> y1; int y[3]; y[0] = y[1] = y[2] = y1; while (y[0] != x || y[1] != x || y[2] != x) { y[i % 3] = min(y[(i + 1) % 3] + y[(i + 2) % 3] - 1, x); i++; } cout << i << endl; return 0; }
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
from math import * def solve(a,b): if(a[0]==b): return 0 else: return solve([a[1],a[2],min(b,a[1]+a[2]-1)],b)+1 a,b=(int(z) for z in input().split()) if a>b: a,b=b,a print(solve([a,a,a],b))
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.InputStream; import java.io.PrintStream; import java.util.Scanner; /** */ public class Main712C { public static void main(String[] args) { run(System.in, System.out); } public static void run(InputStream in, PrintStream out) { try (Scanner sc = new Scanner(in)) { int x = sc.nextInt(); i...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashSet; import java.util.StringTokenizer; import java.math.BigInteger;...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.Scanner; /** * Link: * http://codeforces.com/problemset/problem/712/C */ /** * C. ΠœΠ΅ΠΌΠΎΡ€ΠΈ ΠΈ Π΄Π΅Π²ΠΎΠ»ΡŽΡ†ΠΈΡ * ΠœΠ΅ΠΌΠΎΡ€ΠΈ ΠΈΠ·ΡƒΡ‡Π°Π΅Ρ‚ Π΄Π΅Π²ΠΎΠ»ΡŽΡ†ΠΈΡŽ Ρ€Π°Π·Π»ΠΈΡ‡Π½Ρ‹Ρ… ΠΎΠ±ΡŠΠ΅ΠΊΡ‚ΠΎΠ², Π² Π΄Π°Π½Π½Ρ‹ΠΉ ΠΌΠΎΠΌΠ΅Π½Ρ‚ Ρ‚Ρ€Π΅ΡƒΠ³ΠΎΠ»ΡŒΠ½ΠΈΠΊΠΎΠ². Она Π½Π°Ρ‡ΠΈΠ½Π°Π΅Ρ‚ с равностороннСго * Ρ‚Ρ€Π΅ΡƒΠ³ΠΎΠ»ΡŒΠ½ΠΈΠΊΠ° со сторонами, Ρ€Π°Π²Π½Ρ‹ΠΌΠΈ x, ΠΈ Ρ…ΠΎΡ‡Π΅Ρ‚ Π²Ρ‹ΠΏΠΎΠ»Π½ΠΈΡ‚ΡŒ нСсколько ΠΎΠΏΠ΅Ρ€Π°Ρ†ΠΈΠΉ Ρ‚Π°ΠΊ, Ρ‡Ρ‚ΠΎ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#------------------------------warmup---------------------------- import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "...
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.*; /** * Created by birukoudzmitry on 08.06.16. */ public class C { // 6,6,6 -> 3,6,6 -> public static void main(String[] args){ MyScanner in = new MyScanner();...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.BufferedReader; import java.io.InputStreamReader; import java.util.StringTokenizer; public class R370D2P3 { public static void main(String[] args) throws Exception { BufferedReader bf = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(bf.readLine()); ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.lang.*; import java.io.*; import java.util.*; public class Evolution { public static void main(String[] args) throws java.lang.Exception { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWrite...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { long x, y, i, a, b, c, p = 0; cin >> x >> y; a = y; b = y; c = y; while (a != x || b != x || c != x) { if (a != x) { a = b + c - 1; ++p; } if (a > x) a = x; if (b != x) { b = a + c - 1; ++p; } if (b > ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; long long x, y; long long a[5]; int32_t main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; cin >> x >> y; a[1] = y, a[2] = y, a[3] = y; for (long long i = 1;; i++) { a[1] = min(x, a[2] + a[3] - 1); sort(a + 1, a + 4); if (a[1] == x) { ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { long long int n, m, a, b, c, cn = 0; cin >> m >> n; a = n; b = n; c = n; while (a < m || b < m || c < m) { if (c < m) { c = a + b - 1; cn++; } if (a < m) { cn++; a = b + c - 1; } if (b < m) { cn++; ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import sys a,b = map(int,sys.stdin.readline().split()) la = [min(a,2*b-1),b,b] cnt = 1 while 1<2: la[la.index(min(la))]=min(sum(la)-min(la)-1,a) cnt+=1 if(la==[2*b-1,a,a]): cnt+=1 break elif(la==[a,a,a]): break print(cnt)
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
# -*- coding: utf-8 -*- """ Created on Sun Sep 11 21:29:34 2016 @author: sigmoidguo """ import sys, math x, y = map(int, raw_input().split()) a = b = c = y step = 0 #for i in range(7): while True: ## stop condition if a == x and b == x and c == x: print step sys.exit(0) a1 = min(x, b +...
PYTHON
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main(void) { int i, x, y; cin >> x >> y; int a[3]; for (i = 0; i <= (int)(3) - 1; i++) a[i] = y; int ans = 0; for (; a[0] < x; ans++) { a[0] = min(x, a[1] + a[2] - 1); sort(a, a + 3); } cout << ans << endl; return 0; }
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { vector<int> edge(3); int target(0), curr(0); while (cin >> target >> curr) { fill(edge.begin(), edge.end(), curr); int res(0); while (true) { bool flag = true; for (int i = 0; i < 3; ++i) { if (edge[i] != target) { ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
//package round370; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; public class C { InputStream is; PrintWriter out; String INPUT = ""; void solve() { int x = ni(), y = n...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.Scanner; public class memoryanddeevolution { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Scanner s = new Scanner(System.in); String data = s.nextLine(); int from = Integer.parseInt(data.split(" ")[0]); int to = Integer.parseInt(data...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
x, y = map(int, raw_input().split()) if y*2 > x : print 3 elif y*2 == x : print 4 else : ls = [y, y, y] count = 0 while True : if min(ls) == x : break count += 1 ls[count%3] = min(x, ls[(count+1)%3] + ls[(count+2)%3] - 1) print count
PYTHON
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { long long res, f, x, y, l1, l2, l3, ma; scanf("%lld %lld", &x, &y); l1 = l2 = l3 = y; res = 0; f = 1; while (l1 < x || l2 < x || l3 < x) { res++; if (f == 1) { l1 = l3 + l2 - 1; f++; } else if (f == 2) { l2 = l3 + l1 - ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.*; import java.util.*; public class MemoryAndDeEvolution { static long countTime = 0; public static void evlove(long a1,long b1,long c1, long s2, long s1){ if(s2 == s1) return; if(s1>=s2*2){ a1 = s2*2-1; } else a1 = s1; countTime++; if(!(a1+b1==c1 || b1+c1==a1 || a1+c1=...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.*; import java.util.*; public final class round_370_c { static BufferedReader br=new BufferedReader(new InputStreamReader(System.in)); static FastScanner sc=new FastScanner(br); static PrintWriter out=new PrintWriter(System.out); public static void main(String args[]) throws Exception { in...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int edge[4], sum; int st, aim; int main() { cin >> aim >> st; int count = 0; edge[3] = edge[1] = edge[2] = st; sum = st * 3; while (sum != aim * 3) { for (int i = 1; i <= 3; i++) { if (edge[i] == aim) continue; sum -= edge[i]; edge[i] = min(a...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int x, y; cin >> x >> y; vector<int> kek; kek.push_back(y); kek.push_back(y); kek.push_back(y); int count = 0; if (x == y) cout << 0 << endl; else if (x > y) { kek[1] = min(x, kek[0] + kek[2] - 1); count++; while (true) { ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int a, b; cin >> a >> b; int ans = 0; bool flag = false; std::vector<int> v; v.push_back(b); v.push_back(b); v.push_back(b); do { flag = true; sort(v.begin(), v.end()); if (v[0] == a && v[1] == a && v[2] == a) { flag = false;...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
x,y=map(int,input().split()) a,b,c=y,y,y ans=0 while (a,b,c)<(x,x,x,): new=b+c-1 a,b,c=b,c,new ans+=1 print(ans)
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
/* package whatever; // don't place package name! */ import java.util.*; import java.lang.*; import java.io.*; /* Name of the class has to be "Main" only if the class is public. */ public class Ideone { public static void main (String[] args) throws java.lang.Exception { Scanner sc = new Scanner(System.in);...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; import java.io.IOException; import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.InputStream; /** * Built using CHelper...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int x, y; scanf("%d %d", &x, &y); int tr[3] = {y, y, y}; int ans = 0; while (tr[0] != x || tr[1] != x || tr[2] != x) { for (int i = 0; i < 3; i += 1) { if (tr[i] == x) continue; int nxt = tr[(i + 1) % 3]; int prv = tr[(i - 1 + 3)...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int x, y; int proc(vector<int> v) { sort(v.begin(), v.end()); if (v[0] == x) return 0; v[0] = min(x, v[1] + v[2] - 1); return 1 + proc(v); } int main() { scanf("%d%d", &x, &y); vector<int> v(3, y); printf("%d\n", proc(v)); }
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; void solve() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); ; int x, y; long long k = 0; cin >> x >> y; int a[3] = {y, y, y}; while (a[0] != x || a[1] != x || a[2] != x) { sort(a, a + 3); a[0] = min(x, a[2] + a[1] - 1); k++; } cout << ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.IOException; import java.util.InputMismatchException; public class MemoryAndDeEvolution { public static void main(String[] args) { FasterScanner sc = new FasterScanner(); int X = sc.nextInt(); int Y = sc.nextInt(); int[] arr = new int[32]; arr[0] = arr[1] = arr[2] = Y; for (int i = 3...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
y, x = map(int, input().split()) arr = [x, x, x] count = 0 while True: if arr[0] >= y: break count += 1 arr[0] = min(y, arr[1] + arr[2] - 1) arr.sort() print(count)
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int x, y, count = 0; scanf("%d %d", &x, &y); if (x > y) swap(x, y); int x1 = x, x2 = x, x3 = x; while (x1 != y || x2 != y || x3 != y) { x1 = x2 + x3 - 1; swap(x1, x2); swap(x2, x3); if (x3 > y) x3 = y; count++; } printf("%d\n",...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; static int x, y; int main() { while (scanf("%d%d", &y, &x) != EOF) { vector<int> v = {x, x, x}; int ans = 0; while (true) { if (v[0] == y && v[1] == y && v[2] == y) break; if (v[1] == y) { v[0] = y; } else if (v[1] + v[2] - 1 < y) ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; /** * This program prints a single integer β€” the minimum number * of seconds required for Memory to obtain the equilateral * triangle of side length y if it starts with the equilateral * triangle of side length x. * * @author Group 5 * @version 1.00 2016/10/26 */ public class MemoryAndDeEv...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int inf_int = 2e9; long long inf_ll = 2e18; const double pi = 3.1415926535898; template <typename T, typename T1> void prin(vector<pair<T, T1> >& a) { for (int i = 0; i < a.size(); i++) { cout << a[i].first << " " << a[i].second << "\n"; } } template <typename T, ty...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> template <class T> inline void rd(T &x) { char c = getchar(); x = 0; while (!isdigit(c)) c = getchar(); while (isdigit(c)) { x = x * 10 + c - '0'; c = getchar(); } } using namespace std; const int N = 111111; const int MOD = 1e9 + 7; int a[3]; int main() { int x, y; scanf(...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.*; import java.util.StringTokenizer; public class _712_C_Memory_and_DeEvolution { public static void main(String[] args) throws Exception { InputStream inputStream = (args.length <= 0) ? System.in : new FileInputStream(args[0]); OutputStream outputStream = (args.length <= 1) ? System....
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
""" Python 3 compatibility tools. """ from __future__ import division, print_function import itertools import sys import os from io import BytesIO, IOBase if sys.version_info[0] < 3: input = raw_input range = xrange filter = itertools.ifilter map = itertools.imap zip = itertools.izip def is_it_local(): ...
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.Arrays; import java.util.Scanner; /** * Created by Jaydeep on 9/25/2016. */ public class Triangle { public static void main(String[] args) { long count = 0; Scanner in = new Scanner(System.in); long[] triangle = new long[3]; long goal = in.nextInt(); long ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
line1=input().split() x=int(line1[0]) y=int(line1[1]) a,b,c=y,y,y steps=0 while (a<x or b<x or c<x): a=b+c-1 steps+=1 a,b,c=min(a,b,c), a+b+c-max(a,b,c)-min(a,b,c), max(a,b,c) print (steps)
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
x, y = map(int, input().split()) a, v = [y] * 3, 0 while a[0] < x: a[0] = min(x, a[1] + a[2] - 1) a.sort() v += 1 print(v)
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; const int MAXN = 2e5 + 55; int let[27]; int main() { int n, ans = 0, x, y, z, m; cin >> n >> m; x = y = z = m; while (1) { if (x == y && y == z && z == n) break; if (y >= z) swap(y, z); if (x >= y) swap(x, y); x = min(n, z + y - 1); ans++; } ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
from sys import stdin x, y = map(int, stdin.readline().split()) ans, cur = 0, [y, y, y] while not (cur[0] == cur[1] == cur[2] == x): ans += 1 cur[0] = min(x, (cur[1] + cur[2]) - 1) cur.sort() print(ans)
PYTHON
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int x, y; cin >> x >> y; int a = y, b = y, c = y; int co = 0; while (true) { if (a >= x && b >= x && c >= x) { cout << co; return 0; } co++; if (co % 3 == 1) { a = b + c - 1; } else if (co % 3 == 2) { b = a ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; class TaskC { public: void solve(std::istream& in, std::ostream& out) { int x, y; in >> x >> y; if (x == y) out << 0; else { int res = 0; int arr[3] = {y, y, y}; while (arr[0] != x or arr[1] != x or arr[2] != x) { sort(arr,...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int x, y, a, b, c; scanf("%d %d", &x, &y); a = b = c = y; int cnt = 0; while (1) { cnt++; if (a >= x && b >= x && c >= x) { printf("%d\n", cnt - 1); return 0; } else if (cnt % 3 == 1) a = b + c - 1; else if (cnt % 3 =...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> const double PI = acos(-1.0); const double e = exp(1.0); const int INF = 0x7fffffff; ; template <class T> T gcd(T a, T b) { return b ? gcd(b, a % b) : a; } template <class T> T lcm(T a, T b) { return a / gcd(a, b) * b; } template <class T> inline T Min(T a, T b) { return a < b ? a : b; } ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int a, b, s[3], ans = 0; cin >> a >> b; for (int i = 0; i < 3; i++) s[i] = b; while (s[0] != a || s[1] != a || s[2] != a) { if (s[2] < a) { s[2] = s[0] + s[1] - 1; if (s[2] > a) s[2] = a; ans++; } if (s[1] < a) { s[1]...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int x, y; cin >> x >> y; int a = y, b = y, c = y; int count = 0; while (1) { if (a >= x && b >= x && c >= x) { break; } count++; if (count % 3 == 1) { a = b + c - 1; } if (count % 3 == 2) { b = a + c - 1; ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
x,y = map(int,raw_input().split()) ans = 0 p = [y,y,y] while True: if all(t == x for t in p): break p.sort() ans +=1 m = max(p[1]+p[2]-1,1) if m >= x: p[0] = x else: p[0] = m print ans
PYTHON
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { long long int x, y; cin >> x >> y; long long int result(0); long long int y1(y), y2(y), y3(y); long long int i = 1; while (y1 < x or y2 < x or y3 < x) { if (i == 1) { if (y2 + y3 - 1 > x) { y1 = x; } else { y1 = y2 + ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.Scanner; public class C { /** * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub Scanner scan=new Scanner(System.in); int x=scan.nextInt(); int y=scan.nextInt(); int a=y,b=y,c=y; int cnt=0; ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; const long long inf = LLONG_MAX / 1000; int a[200100]; int i, n, m; int counter = 0; bool ok(int a, int b, int c) { if (a < b + c && b < a + c && c < a + b && max(a, max(b, c)) <= n) return true; return false; } int main() { cin >> n >> m; for (i = 1; i <= 3; i+...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; import java.lang.*; public class Third{ static long mod=1000000007; public static void main(String[] args) throws Exception{ InputReader in = new InputReader(System.in); PrintW...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import sys,os,io from sys import stdin from functools import cmp_to_key from bisect import bisect_left , bisect_right from collections import defaultdict def ii(): return int(input()) def li(): return list(map(int,input().split())) if(os.path.exists('input.txt')): sys.stdin = open("input.txt","r") ; sys.std...
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; public class Solution3 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner sc = new Scanner(System.in); int i,x = sc.nextInt(), y = sc.nextInt(); int arr[] = new int[]{y,y,y}; for(i = 0;arr[0]<x||arr[1]<x||arr[2]<x;i++){ arr[i%3] = arr[(i+1)%3]+arr[(i...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); long long x, y, c = 0, i = 0; cin >> x >> y; long long arr[3]; for (i = 0; i < 3; i++) arr[i] = y; while (true) { if (arr[0] == x && arr[1] == x && arr[2] == x) { cout << c; retur...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { ifstream fin("input.txt"); int i, j; int ans = 0, a, b, c, x, y; cin >> x >> y; a = y; b = y; c = y; while (true) { if (a < b) { if (a < c) { a = (b + c) - 1; ans++; if (a >= x) { ans += 2; b...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; inline int two(int n) { return 1 << n; } inline int test(int n, int b) { return n & two(b); } inline void set_bit(int& n, int b) { n |= two(b); } inline void unset_bit(int& n, int b) { n &= ~two(b); } inline int last_bit(int n) { return n & (-n); } inline int ones(int n) { ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
//package c370; import java.util.Arrays; import java.util.Scanner; public class q3 { public static void main(String args[]) { Scanner s=new Scanner(System.in); int x=s.nextInt(); int y=s.nextInt(); int a=y,b=y,c=y; int co=0; while(!(a==x && b==x && c==x)) { // System.out.println(a+" "+b+" "+c);...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; /** * Built using CHelper plug-in * Actual solution is at the top * * @author Sa...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
x, y = map(int, input().split()) a = b = c = y ans = 0 while min(a, b, c) != x: arr = list(sorted([a, b, c])) arr[0] = min(x, arr[1] + arr[2] - 1) a, b, c = arr ans += 1 print(ans)
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; const int MOD = 1e9 + 7; const long double PI = 3.14159265358979323846; struct myCompare { bool operator()(const std::pair<int, int> &l, const std::pair<int, int> &r) const { return l.first < r.first; } }; const int MAXN = 1e5 + 3; int x, y; void s...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int ara[5]; int main() { int x, y, z, cnt, res; while (cin >> x >> res) { cnt = 0; ara[1] = res; ara[2] = res; ara[3] = res; while (ara[1] < x) { cnt++; ara[1] = ara[2] + ara[3] - 1; sort(ara + 1, ara + 4); } cout << cnt << ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
[x, y] = [int(x) for x in input().split()] a, b, c = y, y, y res = 0 while a != x or b != x or c != x: res += 1 minimum = min(a, b, c) if a == minimum: a = min(b+c-1, x) elif b == minimum: b = min(a+c-1, x) else: c = min(a+b-1, x) print(res)
PYTHON3
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int DDDF = 0, DDDS = 0; bool Sortpair(pair<int, int> a, pair<int, int> b) { return a.second < b.second; } string con(string s, int i) { string t = ""; for (int k = 0; k < i; k++) t += s[k]; for (int j = (i + 1); j < s.length(); j++) { t += s[j]; } return t; ...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.util.*; import java.io.*; public class CodeForces { public static void main(String[] args) throws IOException { Reader.init(System.in) ; PrintWriter writer = new PrintWriter(System.out); int x = Reader.nextInt(); ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { long long x, z, a, b, c, i = 1, y = 0; cin >> x >> z; a = b = c = z; while (1) { if (i % 3 == 1 && a < x) { if (c + b < x) { a = c + b - 1; } else if (c + b == x) a = x - 1; else a = x; i++; y++;...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.*; import java.util.*; public class CF712C { public static void main(String[] args) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st = new StringTokenizer(br.readLine()); int x = Integer.parseInt(st.nextToken()); int y = Integer.p...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int main() { int x, y; scanf("%d%d", &x, &y); int res = 0; int a, b, c; a = b = c = y; while (b + c < x) { a = b; b = c; c = a + b - 1; res++; } if (b + c == x) res += 4; else if (b + c > x) res += 3; printf("%d\n", res); return...
CPP
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class MemoryAndDeEvolution { static int x,y; public static void main(String[] args) throws NumberFormatException, IOException ...
JAVA
712_C. Memory and De-Evolution
Memory is now interested in the de-evolution of objects, specifically triangles. He starts with an equilateral triangle of side length x, and he wishes to perform operations to obtain an equilateral triangle of side length y. In a single second, he can modify the length of a single side of the current triangle such th...
2
9
#include <bits/stdc++.h> using namespace std; int a, b, ans = 0; bool flag; void dfs(int x, int y, int z) { if (x == z && x == b) return; int t[3]; t[0] = x, t[1] = y, t[2] = z; if (t[0] + t[1] - 1 >= b) t[2] = b; else t[2] = t[0] + t[1] - 1; ++ans; sort(t, t + 3); dfs(t[2], t[1], t[0]); } int m...
CPP