buggy_code
stringlengths
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625k
fixed_code
stringlengths
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625k
bug_type
stringlengths
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language
int64
0
8
token_count
int64
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change_count
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#include <math.h> #include <stdio.h> int is_Prime(int m); int main() { int a[10000], n, i; int count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); } for (i = 0; i < n; i++) { if (is_Prime(a[i]) == 1) { count++; } } printf("%d\n", count); return 0; } int i...
#include <math.h> #include <stdio.h> int is_Prime(int m); int main() { int a[10000], n, i; int count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); } for (i = 0; i < n; i++) { if (is_Prime(a[i]) == 1) { count++; } } printf("%d\n", count); return 0; } int i...
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0
162
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#include <math.h> #include <stdio.h> int isPrime(int); int main() { int a[10000], i, n, c = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); if (isPrime(a[i] == 1)) c++; } printf("%d\n", c); return 0; } int isPrime(int x) { int i; if (x == 2) return 1; if (x < 2 |...
#include <math.h> #include <stdio.h> int isPrime(int); int main() { int a[10000], i, n, c = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); if (isPrime(a[i]) == 1) c++; } printf("%d\n", c); return 0; } int isPrime(int x) { int i; if (x == 2) return 1; if (x < 2 |...
[["+", 15, 23, 0, 16, 31, 2, 3, 4, 0, 25], ["-", 0, 57, 15, 23, 0, 2, 3, 4, 0, 25]]
0
166
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#include <math.h> #include <stdio.h> int isprime(int); int main(void) { int n, x[10000], i, a = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &x[i]); } for (i = 0; i < n; i++) { if (isprime(x[i]) == 1) a++; } printf("%d", a); return 0; } int isprime(int x) { int i; if (x...
#include <math.h> #include <stdio.h> int isprime(int); int main(void) { int n, x[10000], i, a = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &x[i]); } for (i = 0; i < n; i++) { if (isprime(x[i]) == 1) a++; } printf("%d\n", a); return 0; } int isprime(int x) { int i; if ...
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0
185
3
#include <stdio.h> int isPrime(int x) { int i; if (x <= 1) return 0; else if (x <= 3) return 1; if (x % 2 == 0) return 0; if (x % 3 == 0) return 0; for (i = 6; i * i <= x; i += 6) { if (x % (i - 1) == 0) return 0; if (x % (i + 1) == 0) return 0; } return 1; } int ...
#include <stdio.h> int isPrime(int x) { int i; if (x <= 1) return 0; else if (x <= 3) return 1; if (x % 2 == 0) return 0; if (x % 3 == 0) return 0; for (i = 5; i * i <= x; i += 6) { if (x % i == 0) return 0; if (x % (i + 2) == 0) return 0; } return 1; } int main()...
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0
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#include <stdio.h> // If prime, return 1, else return 0. int isPrime(int num) { int rtn = 1; int i; for (i = 2; i * i <= num; i++) { if (num % i == 0) { rtn = 0; break; } } return rtn; } int main(void) { int sum, num; int i; int ans = 0; scanf("%d", &sum); for (i = 0; i < su...
#include <stdio.h> // If prime, return 1, else return 0. int isPrime(int num) { int rtn = 1; int i; for (i = 2; i * i <= num; i++) { if (num % i == 0) { rtn = 0; break; } } return rtn; } int main(void) { int sum, num; int i; int ans = 0; scanf("%d", &sum); for (i = 0; i < su...
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0
132
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#include <stdio.h> int prime(int); int main() { int n, p, i, j, count = 0; scanf("%d", &j); for (i = 0; i < j; i++) { scanf("%d", &n); p = prime(n); if (p == 1) { count++; } } printf("%d\n", count); return 0; } int prime(int n) { int i; if (n < 2) return 0; else if (n =...
#include <stdio.h> int prime(int); int main() { int n, p, i, j, count = 0; scanf("%d", &j); for (i = 1; i <= j; i++) { scanf("%d", &n); p = prime(n); if (p == 1) { count++; } } printf("%d\n", count); return 0; } int prime(int n) { int i; if (n < 2) return 0; else if (n ...
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0
166
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#include <math.h> #include <stdio.h> #define N 100000 int main() { int A[N]; int i, n, j; int cnt = 0, flag; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &A[i]); flag = 0; for (j = 2; j < sqrt(A[i]); ++j) { if (A[i] % j == 0) { flag = 1; break; } } ...
#include <math.h> #include <stdio.h> #define N 100000 int main() { int A[N]; int i, n, j; int cnt = 0, flag; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &A[i]); flag = 0; for (j = 2; j <= sqrt(A[i]); j++) { if (A[i] % j == 0) { flag = 1; break; } } ...
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0
137
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#include <math.h> #include <stdio.h> int isPrime(int); int main() { int i = 0, n, total = 0; int num[10000]; scanf("%d", &n); while ((scanf("%d", &num[i])) != EOF) { i++; } for (i = 0; i < n; i++) { if (isPrime(num[i])) total++; } printf("%d\n", total); return 0; } int isPrime(int ...
#include <math.h> #include <stdio.h> int isPrime(int); int main() { int i = 0, n, total = 0; int num[10000]; scanf("%d", &n); while ((scanf("%d", &num[i])) != EOF) { i++; } for (i = 0; i < n; i++) { if (isPrime(num[i])) total++; } printf("%d\n", total); return 0; } int isPrime(int ...
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0
176
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#include <math.h> #include <stdio.h> int Prime(int); int main() { int n, i, j, input, count = 0, frag; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &input); if (Prime(input) == 1) count++; } printf("%d\n\n", count); return 0; } int Prime(x) { int i; if (x == 2) return 1; e...
#include <math.h> #include <stdio.h> int Prime(int); int main() { int n, i, j, input, count = 0, frag; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &input); if (Prime(input) == 1) count++; } printf("%d\n", count); return 0; } int Prime(x) { int i; if (x == 2) return 1; els...
[["-", 0, 1, 0, 2, 3, 4, 0, 5, 0, 44], ["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
162
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#include <math.h> #include <stdio.h> int sosuu(int); int main() { int n, i, num = 0; scanf("%d", &n); int a; for (i = 0; i < n; i++) { scanf("%d", &a); if (sosuu(a) == 0) { num++; } } printf("%d\n", num); return 0; } int sosuu(int x) { int i; if (x == 2) return 0; else if (x...
#include <math.h> #include <stdio.h> int sosuu(int); int main() { int n, i, num = 0; scanf("%d", &n); int a; for (i = 0; i < n; i++) { scanf("%d", &a); if (sosuu(a) == 0) { num++; } } printf("%d\n", num); return 0; } int sosuu(int x) { int i; if (x == 2) return 0; else if (x...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
161
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#include <math.h> #include <stdio.h> int main() { int n, a[10000], cnt = 0, i, j, k = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); } for (i = 0; i < n; i++) { k = 0; if (a[i] == 2) { cnt += 1; continue; } if (a[i] % 2 == 0) continue; j = 3; wh...
#include <math.h> #include <stdio.h> int main() { int n, a[10000], cnt = 0, i, j, k = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); } for (i = 0; i < n; i++) { k = 0; if (a[i] == 2) { cnt += 1; continue; } if (a[i] % 2 == 0) { continue; } j = 3...
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0
188
4
#include <math.h> #include <stdio.h> #define N 10000 #define TRUE 1 #define FALSE 0 int isprime(int); int main() { int i, j, num, A[N], count = 0; while (1) { scanf("%d", &num); if (1 <= num && num <= N) break; } for (i = 0; i < num; i++) scanf("%d", &A[i]); for (i = 0; i < num; i++) ...
#include <math.h> #include <stdio.h> #define N 10000 #define TRUE 1 #define FALSE 0 int isprime(int); int main() { int i, j, num, A[N], count = 0; while (1) { scanf("%d", &num); if (1 <= num && num <= N) break; } for (i = 0; i < num; i++) scanf("%d", &A[i]); for (i = 0; i < num; i++) ...
[["-", 0, 57, 15, 23, 0, 16, 12, 16, 17, 79], ["+", 0, 57, 15, 23, 0, 16, 12, 16, 17, 60]]
0
206
2
#include <math.h> #include <stdio.h> #define N 10000 #define TRUE 1 #define FALSE 0 int isprime(int); int main() { int i, j, num, A[N], count = 0; while (1) { scanf("%d", &num); if (1 <= num && num <= N) break; } for (i = 0; i < num; i++) { scanf("%d", &A[i]); if (A[i] < 2 || N * N < A...
#include <math.h> #include <stdio.h> #define N 10000 #define TRUE 1 #define FALSE 0 int isprime(int); int main() { int i, j, num, A[N], count = 0; while (1) { scanf("%d", &num); if (1 <= num && num <= N) break; } for (i = 0; i < num; i++) { scanf("%d", &A[i]); if (A[i] < 2 || N * N < A...
[["-", 0, 57, 15, 23, 0, 16, 12, 16, 17, 79], ["+", 0, 57, 15, 23, 0, 16, 12, 16, 17, 60]]
0
232
2
#include <stdio.h> int IsPrime(int); int main(void) { int data, n, i, j, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &data); if (IsPrime(data)) count++; } printf("%d\n", count); return 0; } int IsPrime(int x) { int i; if (x == 2) return 1; if (x < 2 || x %...
#include <stdio.h> int IsPrime(int); int main(void) { int data, n, i, j, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &data); if (IsPrime(data) == 1) count++; // printf("data=%d count=%d\n",data,count); } printf("%d\n", count); return 0; } int IsPrime(int x) { i...
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0
151
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#include <math.h> #include <stdio.h> #define N 10000 #define TRUE 0 #define FALSE -1 int prime(int); int main() { int n, num[N], i, j, flag = 0, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &num[i]); } for (i = 0; i < n; i++) { if (prime(num[i]) == TRUE) count++; } ...
#include <math.h> #include <stdio.h> #define N 10000 #define TRUE 0 #define FALSE -1 int prime(int); int main() { int n, num[N], i, j, flag = 0, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &num[i]); } for (i = 0; i < n; i++) { if (prime(num[i]) == TRUE) count++; } ...
[["-", 8, 9, 0, 57, 15, 23, 0, 16, 17, 98], ["+", 8, 9, 0, 57, 15, 23, 0, 16, 17, 106]]
0
197
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#include <math.h> #include <stdio.h> #include <stdlib.h> int main() { int n, i, j, c = 0; int A[10000]; scanf("%d", &n); if (n < 1 || 100000 < n) exit(1); for (i = 0; i < n; i++) { scanf("%d", &A[i]); if (A[i] < 2 || 100000000 < A[i]) exit(2); } for (i = 0; i < n; i++) { if (A[i...
#include <math.h> #include <stdio.h> #include <stdlib.h> int main() { int n, i, j, c = 0; int A[10000]; scanf("%d", &n); if (n < 1 || 100000 < n) exit(1); for (i = 0; i < n; i++) { scanf("%d", &A[i]); if (A[i] < 2 || 100000000 < A[i]) exit(2); } for (i = 0; i < n; i++) { if (A[i...
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0
216
4
#include <math.h> #include <stdio.h> int prime(int x) { int i = 3; if (x == 2) return 1; if (x < 2 || x % 2 == 0) return 0; while (i <= sqrt(x)) { if (x % i == 0) return 0; i += 2; } return 1; } int main() { int i, n, count = 0; int a[10000]; scanf("%d", &n); for (i = 0; i...
#include <math.h> #include <stdio.h> int prime(int x) { int i = 3; if (x == 2) return 1; if (x < 2 || x % 2 == 0) return 0; while (i <= sqrt(x)) { if (x % i == 0) return 0; i += 2; } return 1; } int main() { int i, n, count = 0; int a[10000]; scanf("%d", &n); for (i = 0; i...
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0
162
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#include <math.h> #include <stdio.h> #define Max 10000 int sosuu(int); int main() { int a, n, sum = 0; int judge; int x[Max]; scanf("%d", &n); for (a = 0; a < n; a++) { scanf("%d", &x[a]); } for (a = 0; a < n; a++) { judge = sosuu(x[a]); if (judge == 0) sum++; } printf("%d\n", s...
#include <math.h> #include <stdio.h> #define Max 10000 int sosuu(int); int main() { int a, n, sum = 0; int judge; int x[Max]; scanf("%d", &n); for (a = 0; a < n; a++) { scanf("%d", &x[a]); } for (a = 0; a < n; a++) { judge = sosuu(x[a]); if (judge == 0) sum++; } printf("%d\n", s...
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0
208
2
#include <math.h> #include <stdio.h> int primenm(int x) { int i; if (x == 2) { return 0; } else if (x % 2 == 0) { return 0; } else { for (i = 3; i <= sqrt(x); i += 2) { if (x % i == 0) { return 0; } } return 1; } } int main() { int n, a, i, cnt = 0; scanf("%d", &...
#include <math.h> #include <stdio.h> int primenm(int x) { int i; if (x == 2) { return 1; } else if (x % 2 == 0) { return 0; } else { for (i = 3; i <= sqrt(x); i += 2) { if (x % i == 0) { return 0; } } return 1; } } int main() { int n, a, i, cnt = 0; scanf("%d", &...
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0
155
2
#include <math.h> #include <stdio.h> #define N 10000 #define T 1 #define F 0 int isprime(int x) { int i; if (x == 2) { return T; } if (x < 2 || x % 2 == 0) { return F; } i = 3; while (i <= sqrt(x)) { if (x % i == 0) return F; i = i + 2; return T; } } int main() { int...
#include <math.h> #include <stdio.h> #define N 10000 #define T 1 #define F 0 int isprime(int x) { int i; if (x == 2) { return T; } if (x < 2 || x % 2 == 0) { return F; } i = 3; while (i <= sqrt(x)) { if (x % i == 0) return F; i += 2; } return T; } int main() { int i, n,...
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0
180
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#include <stdio.h> int prime(int); int main() { int A[10000]; int i, n; int count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &A[i]); } for (i = 0; i < n; i++) { if (prime(A[i])) count++; printf("%d\n", count); } return 0; } int prime(int A) { int j; if (A < 2)...
#include <stdio.h> int prime(int); int main() { int A[10000]; int i, n; int count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &A[i]); } for (i = 0; i < n; i++) { if (prime(A[i])) count++; } printf("%d\n", count); return 0; } int prime(int A) { int j; if (A < 2) ...
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0
181
2
#include <stdio.h> #include <stdlib.h> #include <string.h> int main() { int n, i, a, j, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a); if (a == 2) count += 1; if (a % 2 != 0) { j = 3; while (1) { if (a % j == 0) break; if ((j * j) >=...
#include <stdio.h> #include <stdlib.h> #include <string.h> int main() { int n, i, a, j, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a); if (a == 2) count += 1; if (a % 2 != 0) { j = 3; while (1) { if (a % j == 0) break; if ((j * j) > ...
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0
143
6
#include <math.h> #include <stdio.h> int main(void) { int n, a, b, i, j, count = 0, A[10000]; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a); j = 2; b = sqrt(a); while (a % j > 0 && j <= b) j++; if (j == b) { A[count] = a; count++; } } printf("%d\n", coun...
#include <math.h> #include <stdio.h> int main(void) { int n, a, b, i, j, count = 0, A[10000]; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a); j = 2; b = sqrt(a); while (a % j > 0 && j <= b) j++; if (j == b + 1) { A[count] = a; count++; } } printf("%d\n", ...
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0
123
2
#include <stdio.h> #include <stdlib.h> int prime_or_not(int x) { int i; for (i = 2; i ^ 2 <= x; i++) { if (x % i == 0) return 0; } return 1; } int main() { int i, n, x, y; y = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &x); y = y + prime_or_not(x); } printf("%d\n",...
#include <stdio.h> #include <stdlib.h> int prime_or_not(int x) { int i; for (i = 2; i * i <= x; i++) { if (x % i == 0) return 0; } return 1; } int main() { int i, n, x, y; y = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &x); y = y + prime_or_not(x); } printf("%d\n",...
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0
122
4
#include <stdio.h> int prime(int a) { int i; if (a <= 1) return 1; if (a == 2) return 0; if (a % 2 == 0) return 1; for (i = 3; i * i < a; i += 2) { if (a % i == 0) return 1; } return 0; } int main(void) { int i, n, a, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { ...
#include <stdio.h> int prime(int a) { int i; if (a <= 1) return 1; if (a == 2) return 0; if (a % 2 == 0) return 1; for (i = 3; i * i <= a; i += 2) { if (a % i == 0) return 1; } return 0; } int main(void) { int i, n, a, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
152
2
#include <math.h> #include <stdio.h> int main() { int n, num, kazu, i, j; int A[10000]; double b; scanf("%d", &n); kazu = 0; for (i = 0; i < n; i++) { scanf("%d", &A[i]); num = 0; b = sqrt(A[i]); for (j = 1; j < b; j++) { if (A[i] % j == 0) { num++; } } if (n...
#include <math.h> #include <stdio.h> int main() { int n, num, kazu, i, j; int A[10000]; double b; scanf("%d", &n); kazu = 0; for (i = 0; i < n; i++) { scanf("%d", &A[i]); num = 0; b = sqrt(A[i]); for (j = 1; j <= b; j++) { if (A[i] % j == 0) { num++; } } if (...
[["-", 0, 7, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 7, 8, 9, 0, 7, 15, 16, 17, 19]]
0
141
2
#include <math.h> #include <stdio.h> int main(void) { int n, count = 0, i, s, key; long a; scanf("%d", &n); for (i = 0; i < n; i++) { s = key = 2; scanf("%ld", &a); if (a == 1) a; else if (a == 2) { /*printf("sosuu\n");*/ count++; } else { while (count < sqrt(a) + 1 && key ...
#include <math.h> #include <stdio.h> int main(void) { int n, count = 0, i, s, key; long a; scanf("%d", &n); for (i = 0; i < n; i++) { s = key = 2; scanf("%ld", &a); if (a == 1) a; else if (a == 2) { /*printf("sosuu\n")*/ ; count++; } else { while (s < sqrt(a) + 2 && k...
[["+", 75, 76, 0, 57, 64, 9, 0, 1, 0, 35], ["-", 0, 52, 15, 23, 0, 16, 31, 16, 31, 22], ["+", 0, 52, 15, 23, 0, 16, 31, 16, 31, 22], ["-", 15, 23, 0, 16, 31, 16, 12, 16, 12, 13], ["+", 15, 23, 0, 16, 31, 16, 12, 16, 12, 13], ["+", 8, 9, 0, 57, 64, 9, 0, 1, 0, 35]]
0
163
6
#include <stdio.h> int hantei(int x) { int i; if (x < 2) return 0; else if (x == 2) return 1; if (x % 2 == 0) return 0; for (i = 3; i * i < x; i += 2) { if (x % i == 0) return 0; } return 1; } int main() { int answer = 0; int n, x, i; scanf("%d", &n); for (i = 0; i < n...
#include <stdio.h> int hantei(int x) { int i; if (x < 2) return 0; else if (x == 2) return 1; if (x % 2 == 0) return 0; for (i = 3; i * i <= x; i += 2) { if (x % i == 0) return 0; } return 1; } int main() { int answer = 0; int n, x, i; scanf("%d", &n); for (i = 0; i < ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
151
2
#include <math.h> #include <stdio.h> int main() { int n, y, i, j, c, m, p; c = 0; scanf("%d", &n); for (i = 0; i < n; ++i) { scanf("%d", &y); if (y == 2) { c = c + 1; } else if (y < 2 || y % 2 == 0) { } else { m = sqrt(y); p = 0; for (j = 3; j <= m; j = j + 2) ...
#include <math.h> #include <stdio.h> int main() { int n, y, i, j, c, m, p; c = 0; scanf("%d", &n); for (i = 0; i < n; ++i) { scanf("%d", &y); if (y == 2) { c = c + 1; } else if (y < 2 || y % 2 == 0) { } else { m = sqrt(y); p = 0; for (j = 3; j <= m; j = j + 2) ...
[["-", 0, 1, 0, 2, 3, 4, 0, 5, 0, 6], ["+", 0, 1, 0, 2, 3, 4, 0, 5, 0, 6]]
0
168
2
#include <stdio.h> int isPrime(int x) { int i; if (x == 2) { return 1; } else if (x <= 1 || x % 2 == 0) { return 0; } for (i = 3; i * i <= x; i += 2) { if (x % i == 0) { return 0; } return 1; } } int main(void) { int n, x, i; int ans = 0; scanf("%d", &n); for (i = 0; i ...
#include <stdio.h> int isPrime(int x) { int i; if (x == 2) { return 1; } else if (x < 2 || x % 2 == 0) { return 0; } for (i = 3; i * i <= x; i += 2) { if (x % i == 0) { return 0; } } return 1; } int main(void) { int n, x, i; int ans = 0; scanf("%d", &n); for (i = 0; i < n;...
[["-", 0, 57, 15, 23, 0, 16, 31, 16, 17, 19], ["-", 0, 57, 15, 23, 0, 16, 31, 16, 12, 13], ["+", 0, 57, 15, 23, 0, 16, 31, 16, 17, 18], ["+", 0, 57, 15, 23, 0, 16, 31, 16, 12, 13], ["+", 0, 7, 8, 9, 0, 57, 64, 9, 0, 46], ["-", 36, 36, 0, 30, 0, 14, 8, 9, 0, 46], ["+", 0, 14, 8, 9, 0, 7, 8, 9, 0, 46], ["-", 0, 14, 8, 9,...
0
158
8
#include <math.h> #include <stdio.h> int isPrime(int x) { int i; double s; if (x == 2) return 1; if (x < 2 || x % 2 == 0) return 0; s = sqrt(x); for (i = 3; i < s; i += 2) if (x % i == 0) return 0; return 1; } int main() { int c, i, n, x; scanf("%d", &n); c = 0; for (i = ...
#include <math.h> #include <stdio.h> int isPrime(int x) { int i; double s; if (x == 2) return 1; if (x < 2 || x % 2 == 0) return 0; s = sqrt(x); for (i = 3; i <= s; i += 2) if (x % i == 0) return 0; return 1; } int main() { int c, i, n, x; scanf("%d", &n); c = 0; for (i =...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
154
2
#include <math.h> #include <stdio.h> #define N 1000 int isprime(int); int main() { int n, i, count = 0, x; int array[N]; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &array[i]); x = isprime(array[i]); if (x == 1) count = count + 1; } printf("%d\n", count); return 0; } int ispr...
#include <math.h> #include <stdio.h> #define N 10000 int isprime(int); int main() { int n, i, count = 0, x; int array[N]; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &array[i]); x = isprime(array[i]); if (x == 1) count = count + 1; } printf("%d\n", count); return 0; } int isp...
[["-", 36, 36, 36, 36, 0, 30, 0, 58, 51, 59], ["+", 36, 36, 36, 36, 0, 30, 0, 58, 51, 59], ["-", 8, 9, 0, 57, 64, 9, 0, 93, 0, 94], ["+", 8, 9, 0, 57, 64, 9, 0, 37, 0, 38], ["+", 8, 9, 0, 57, 64, 9, 0, 37, 0, 13]]
0
181
5
#include <math.h> #include <stdio.h> #define N 10000 int main() { int n, a[N], i, j, judge, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); } for (i = 0; i < n; i++) { if (a[i] == 2) judge = 0; else if (a[i] < 2 || a[i] % 2 == 0) judge = 1; j = 3; ...
#include <math.h> #include <stdio.h> #define N 10000 int main() { int n, a[N], i, j, judge, count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a[i]); } for (i = 0; i < n; i++) { judge = 0; if (a[i] == 2) judge = 0; else if (a[i] < 2 || a[i] % 2 == 0) judge = 1...
[["+", 0, 7, 8, 9, 0, 1, 0, 11, 31, 22], ["+", 0, 7, 8, 9, 0, 1, 0, 11, 17, 32], ["+", 0, 7, 8, 9, 0, 1, 0, 11, 12, 13], ["+", 8, 9, 0, 7, 8, 9, 0, 1, 0, 35]]
0
185
4
#include <math.h> #include <stdio.h> #define TRUE 1 #define FALSE 0 int isPrime(int n) { int i, lim, flag; if (n == 2) return TRUE; if (n < 2) return FALSE; if (n % 2 == 0) return FALSE; lim = sqrt(n); flag = 0; for (i = 3; i < lim; i += 2) { if (n % i == 0) { flag = 1; brea...
#include <math.h> #include <stdio.h> #define TRUE 1 #define FALSE 0 int isPrime(int n) { int i, lim, flag; if (n == 2) return TRUE; if (n < 2) return FALSE; if (n % 2 == 0) return FALSE; lim = sqrt(n) + 1; flag = 0; for (i = 3; i < lim; i += 2) { if (n % i == 0) { flag = 1; ...
[["+", 8, 9, 0, 1, 0, 11, 12, 16, 17, 72], ["+", 8, 9, 0, 1, 0, 11, 12, 16, 12, 13], ["+", 0, 7, 8, 9, 0, 57, 64, 9, 0, 45], ["+", 0, 7, 8, 9, 0, 57, 64, 9, 0, 46]]
0
186
4
#include <stdio.h> int IsPrime(int n); int main(void) { int n, i, x, count = 0; scanf("%d", &n); if (n >= 1 && n <= 10000) { for (i = 0; i < n; i++) { scanf("%d", &x); if (x >= 2 && x <= 100000000) { if (IsPrime(x)) { count++; } } } printf("%d\n", count); ...
#include <stdio.h> int IsPrime(int n); int main(void) { int n, i, x, count = 0; scanf("%d", &n); if (n >= 1 && n <= 10000) { for (i = 0; i < n; i++) { scanf("%d", &x); if (x >= 2 && x <= 100000000) { if (IsPrime(x)) { count++; } } } printf("%d\n", count); ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
153
2
#include <math.h> #include <stdio.h> int main() { int x[10000]; int n, i, j, flag; int cnt = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &x[i]); } for (i = 0; i < n; i++) { flag = 1; for (j = 2; j < (int)(sqrt(x[i])); j++) { if (x[i] % j == 0) { flag = 0; ...
#include <math.h> #include <stdio.h> int main() { int x[10000]; int n, i, j, flag; int cnt = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &x[i]); } for (i = 0; i < n; i++) { flag = 1; for (j = 2; j <= (int)(sqrt(x[i])); j++) { if (x[i] % j == 0) { flag = 0; ...
[["-", 0, 7, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 7, 8, 9, 0, 7, 15, 16, 17, 19]]
0
151
2
#include <math.h> #include <stdio.h> int p_number(int x) { int i; double r; if (x < 2) { return 0; } else if (x == 2) { return 1; } else if (x % 2 == 0) { return 0; } r = sqrt(x); for (i = 3; i < r; i += 2) { if (x % i == 0) return 0; } return 1; } int main() { int num; ...
#include <math.h> #include <stdio.h> int p_number(int x) { int i; double r; if (x < 2) { return 0; } else if (x == 2) { return 1; } else if (x % 2 == 0) { return 0; } r = sqrt(x); for (i = 3; i <= r; i += 2) { if (x % i == 0) return 0; } return 1; } int main() { int num;...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
166
2
#include <math.h> #include <stdio.h> int main() { int check(int); int n; int number[10000]; int i; int j; int count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &number[i]); if (check(number[i]) == 1) count++; } printf("%d\n", count); return 0; } int check(int x...
#include <math.h> #include <stdio.h> int main() { int check(int); int n; int number[10000]; int i; int j; int count = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &number[i]); if (check(number[i]) == 1) count++; } printf("%d\n", count); return 0; } int check(int x...
[["-", 0, 57, 15, 23, 0, 16, 31, 16, 12, 13], ["+", 0, 57, 15, 23, 0, 16, 31, 16, 12, 22]]
0
171
2
#include <stdio.h> int Sosuu(int); int main() { int n, a, count = 0, i = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a); if (Sosuu(a)) count++; } printf("%d\n", count); return 0; } int Sosuu(int x) { int i; if (x < 2) return 0; else if (x == 2) return 1; if (x ...
#include <stdio.h> int Sosuu(int); int main() { int n, a, count = 0, i = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &a); if (Sosuu(a)) count++; } printf("%d\n", count); return 0; } int Sosuu(int x) { int i; if (x < 2) return 0; else if (x == 2) return 1; if (x ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
158
2
#include <stdio.h> #include <stdlib.h> int IsPrime(int); int main() { int *A; int n, count = 0; int i; scanf("%d", &n); A = (int *)malloc(n * sizeof(int)); for (i = 0; i < n; i++) scanf("%d", &A[i]); for (i = 0; i < n; i++) { if (IsPrime(A[i]) == 1) count++; } printf("%d\n", count)...
#include <stdio.h> #include <stdlib.h> int IsPrime(int); int main() { int *A; int n, count = 0; int i; scanf("%d", &n); A = (int *)malloc(n * sizeof(int)); for (i = 0; i < n; i++) scanf("%d", &A[i]); for (i = 0; i < n; i++) { if (IsPrime(A[i]) == 1) count++; } printf("%d\n", count)...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
193
2
#include "math.h" #include "stdio.h" #include "stdlib.h" int cls(int); int main() { int n; int p; int i; int num = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &p); if (cls(p) == 1) num++; } printf("%d", num); return 0; } int cls(int n) { int num = (int)sqrt(n); int i;...
#include "math.h" #include "stdio.h" #include "stdlib.h" int cls(int); int main() { int n; int p; int i; int num = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &p); if (cls(p) == 1) num++; } printf("%d\n", num); return 0; } int cls(int n) { int num = (int)sqrt(n); int...
[["+", 0, 1, 0, 2, 3, 4, 0, 5, 0, 44], ["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
148
3
#include <math.h> #include <stdio.h> #define N 10000 int Prime(int); int main() { int k[N], n; int i, num = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &k[i]); if (Prime(k[i]) == 0) num++; } printf("%d\n", num); return 0; } int Prime(int x) { int j, num = 0; if (x == 2) ...
#include <math.h> #include <stdio.h> #define N 10000 int Prime(int); int main() { int k[N], n; int i, num = 0; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &k[i]); if (Prime(k[i]) == 0) num++; } printf("%d\n", num); return 0; } int Prime(int x) { int j, num = 0; if (x == 2) ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
174
2
#include <math.h> #include <stdio.h> int isPrime(int); int main() { int i, n; int count = 0; int num; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &num); if (isPrime(num) == 1) count++; } printf("%d\n", count); return 0; } int isPrime(int num) { if (num == 2) return ...
#include <math.h> #include <stdio.h> int isPrime(int); int main() { int i, n; int count = 0; int num; scanf("%d", &n); for (i = 0; i < n; i++) { scanf("%d", &num); if (isPrime(num) == 1) count++; } printf("%d\n", count); return 0; } int isPrime(int num) { if (num == 2) return ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
0
153
2
#include <cmath> #include <iostream> #include <vector> using namespace std; //?´???°?????°??????????????°?????? //??¨?????????????????????????????¨?????? int IsPrimeNumber(int num) { int count = 0; //?´???°????????????num?????§????¢??????§?????? //??????30?????§????´???°?????°????????????1*30???2*15???3*10???5*...
#include <cmath> #include <iostream> #include <vector> using namespace std; //?´???°?????°??????????????°?????? //??¨?????????????????????????????¨?????? int IsPrimeNumber(int num) { int count = 0; //?´???°????????????num?????§????¢??????§?????? //??????30?????§????´???°?????°????????????1*30???2*15???3*10???5*...
[["+", 0, 9, 0, 7, 15, 16, 12, 16, 17, 72], ["+", 0, 9, 0, 7, 15, 16, 12, 16, 12, 13]]
1
165
2
#include <iostream> using namespace std; int n; int a; int p = 0; void is_prime() { for (int i = 2; i * i < n; i++) { if (a % i == 0) { return; } } p++; } int main() { cin >> n; for (int i = 0; i < n; i++) { cin >> a; is_prime(); } cout << p; return 0; }
#include <iostream> using namespace std; int n; int a; int p = 0; void is_prime() { for (int i = 2; i * i <= a; i++) { if (a % i == 0) { return; } } p++; } int main() { cin >> n; for (int i = 0; i < n; i++) { cin >> a; is_prime(); } cout << p << endl; return 0; }
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["-", 0, 14, 8, 9, 0, 7, 15, 16, 12, 22], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 12, 22], ["+", 0, 14, 8, 9, 0, 1, 0, 16, 17, 151], ["+", 0, 14, 8, 9, 0, 1, 0, 16, 12, 22]]
1
97
6
#include <stdio.h> int q, n, c; int main() { scanf("%d", &q); for (int i = 0; i < q; i++) { scanf("%d", &n); if (c > 1) c++; for (int j = 2; j * j <= n; j++) { if (n % j == 0) { c--; break; } } } printf("%d\n", c); }
#include <stdio.h> int q, n, c; int main() { scanf("%d", &q); for (int i = 0; i < q; i++) { scanf("%d", &n); if (n > 1) c++; for (int j = 2; j * j <= n; j++) { if (n % j == 0) { c--; break; } } } printf("%d\n", c); }
[["-", 8, 9, 0, 57, 15, 339, 51, 16, 31, 22], ["+", 8, 9, 0, 57, 15, 339, 51, 16, 31, 22]]
1
103
2
#include <bits/stdc++.h> using namespace std; int Prime(int num); int main() { int n; int ans = 0; cin >> n; for (int i = 0, a; i < n; i++) { cin >> a; ans += Prime(a); } cout << ans << endl; } int Prime(int num) { if (num == 2) return 1; if (num % 2 == 0) return 0; for (int i = 3; ...
#include <bits/stdc++.h> using namespace std; int Prime(int num); int main() { int n; int ans = 0; cin >> n; for (int i = 0, a; i < n; i++) { cin >> a; ans += Prime(a); } cout << ans << endl; } int Prime(int num) { if (num == 2) return 1; if (num % 2 == 0) return 0; for (int i = 3; ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
1
128
2
#include <iostream> #include <math.h> using namespace std; bool isPrime(int x); int main() { int n = 0; int a[10000] = {}; int z = 0; // output cin >> n; for (int i = 0; i < 10000; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { if (isPrime(a[i]) == true) { z++; } } cout << z...
#include <iostream> #include <math.h> using namespace std; bool isPrime(int x); int main() { int n = 0; int a[10000] = {}; int z = 0; // output cin >> n; for (int i = 0; i < 10000; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { if (isPrime(a[i]) == true) { z++; } } cout << z...
[["+", 0, 30, 0, 14, 8, 9, 0, 37, 0, 38], ["+", 0, 30, 0, 14, 8, 9, 0, 37, 0, 146], ["+", 0, 30, 0, 14, 8, 9, 0, 37, 0, 35]]
1
172
3
#include <iostream> #include <math.h> using namespace std; bool is_prime(int num) { if (num < 2) return false; if (num == 2) return true; for (int i = 2; i < (int)sqrt(num); i++) { if (num % i == 0) { return false; } } return true; } int main() { int N; int count = 0; cin >> N; ...
#include <iostream> #include <math.h> using namespace std; bool is_prime(int num) { if (num < 2) return false; if (num == 2) return true; for (int i = 2; i <= sqrt(num); i++) { if (num % i == 0) return false; } return true; } int main() { int N; int count = 0; cin >> N; int num; ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["-", 8, 9, 0, 7, 15, 16, 12, 74, 0, 24], ["-", 0, 7, 15, 16, 12, 74, 39, 77, 39, 40], ["-", 8, 9, 0, 7, 15, 16, 12, 74, 0, 25], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19], ["-", 0, 7, 8, 9, 0, 57, 64, 9, 0, 45], ["-", 0, 7, 8, 9, 0, 57, 64, 9, 0, 46]]
1
132
7
#include <cmath> #include <iostream> using namespace std; int main() { int n, m, i, count; cin >> n; count = 0; for (int j = 0; j < n; ++j) { cin >> m; if (m == 2) ++count; else if (m < 2 || m % 2 == 0) { continue; } else { i = 3; while (m <= sqrt(i)) { if (m % ...
#include <cmath> #include <iostream> using namespace std; int main() { int n, m, i, count; cin >> n; count = 0; for (int j = 0; j < n; ++j) { cin >> m; if (m == 2) ++count; else if (m < 2 || m % 2 == 0) { continue; } else { i = 3; while (i <= sqrt(m)) { if (m % ...
[["-", 0, 9, 0, 52, 15, 339, 51, 16, 31, 22], ["+", 0, 9, 0, 52, 15, 339, 51, 16, 31, 22], ["-", 15, 339, 51, 16, 12, 2, 3, 4, 0, 22], ["+", 15, 339, 51, 16, 12, 2, 3, 4, 0, 22], ["-", 0, 52, 8, 9, 0, 57, 64, 116, 0, 117], ["+", 0, 52, 8, 9, 0, 57, 64, 93, 0, 94], ["-", 0, 9, 0, 57, 15, 339, 51, 16, 31, 22], ["+", 0, 9...
1
134
10
#include <cmath> #include <iostream> using namespace std; int n, x, c; int main() { cin >> n; for (int i = 0; i < n; i++) { cin >> x; for (int j = 2; j <= (int)pow(x, 0.5); j++) { if (x % j == 0) { c++; break; } } } cout << c << endl; return 0; }
#include <cmath> #include <iostream> using namespace std; int n, x, c; int main() { cin >> n; for (int i = 0; i < n; i++) { cin >> x; for (int j = 2; j <= (int)pow(x, 0.5); j++) { if (x % j == 0) { c++; break; } } } cout << n - c << endl; return 0; }
[["+", 0, 1, 0, 16, 31, 16, 12, 16, 31, 22], ["+", 0, 1, 0, 16, 31, 16, 12, 16, 17, 33]]
1
93
10
#define FOR(i, a, b) for (int i = (a); i < (b); i++) #define RFOR(i, a, b) for (int i = (b)-1; i >= (a); i--) #define REP(i, n) for (int i = 0; i < (n); i++) #define RREP(i, n) for (int i = (n)-1; i >= 0; i--) #include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> /* * If true, return not 0. If...
#define FOR(i, a, b) for (int i = (a); i < (b); i++) #define RFOR(i, a, b) for (int i = (b)-1; i >= (a); i--) #define REP(i, n) for (int i = 0; i < (n); i++) #define RREP(i, n) for (int i = (n)-1; i >= 0; i--) #include <math.h> #include <stdio.h> #include <stdlib.h> #include <string.h> /* * If true, return not 0. If...
[["-", 0, 1, 0, 2, 3, 4, 0, 5, 0, 6], ["+", 0, 1, 0, 2, 3, 4, 0, 5, 0, 6]]
1
304
2
#include <iostream> using namespace std; int main() { long n; long a[10000]; int ans = 0; cin >> n; for (int i = 0; i < n; ++i) { cin >> a[i]; int check = 0; for (int j = 1; j * j <= a[i]; ++j) { if (a[i] % j == 0) check++; } if (check == 2) ans++; } cout << ans << ...
#include <iostream> using namespace std; int main() { long n; long a[10000]; int ans = 0; cin >> n; for (int i = 0; i < n; ++i) { cin >> a[i]; int check = 0; for (int j = 1; j * j <= a[i]; ++j) { if (a[i] % j == 0) check++; } if (check == 1) ans++; } cout << ans << ...
[["-", 8, 9, 0, 57, 15, 339, 51, 16, 12, 13], ["+", 8, 9, 0, 57, 15, 339, 51, 16, 12, 13]]
1
111
2
#include <cmath> #include <iostream> using namespace std; bool primenumber(int num) { int sq_num, judge; sq_num = sqrt(num); if (num == 2) return true; if (num % 2 == 0) judge++; for (int i = 2; i < sq_num; i++) { if (num % i == 0) judge++; } if (judge == 0) { return true; } else...
#include <cmath> #include <iostream> using namespace std; bool primenumber(int num) { int sq_num, judge; sq_num = sqrt(num); if (num == 2) return true; if (num % 2 == 0) judge++; for (int i = 2; i <= sq_num; i++) { if (num % i == 0) judge++; } if (judge == 0) { return true; } els...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
1
152
2
#include <algorithm> #include <iostream> using namespace std; bool is_prime(int n) { // naive program int p = 2; while (p * p < n) { if (n % p == 0) { return false; } p++; } return true; } int main() { int N; int cnt = 0; cin >> N; for (int i = 0; i < N; i++) { int n; cin ...
#include <algorithm> #include <iostream> using namespace std; bool is_prime(int n) { // naive program int p = 2; while (p * p <= n) { if (n % p == 0) { return false; } p++; } return true; } int main() { int N; int cnt = 0; cin >> N; for (int i = 0; i < N; i++) { int n; cin...
[["-", 8, 9, 0, 52, 15, 339, 51, 16, 17, 18], ["+", 8, 9, 0, 52, 15, 339, 51, 16, 17, 19]]
1
110
2
#include <iostream> using namespace std; int main() { int n, a, an; cin >> n; an = n; while (n--) { cin >> a; if (a == 1) an--; for (int i = 2; i * i <= a; i++) if (a % i == 0) an--; } cout << an << endl; return 0; }
#include <iostream> using namespace std; int main() { int n, a, an; cin >> n; an = n; while (n--) { cin >> a; if (a == 1) an--; for (int i = 2; i * i <= a; i++) if (a % i == 0) { an--; break; } } cout << an << endl; return 0; }
[["+", 8, 9, 0, 7, 8, 57, 64, 9, 0, 45], ["+", 0, 7, 8, 57, 64, 9, 0, 1, 0, 35], ["+", 0, 7, 8, 57, 64, 9, 0, 93, 0, 94], ["+", 8, 9, 0, 7, 8, 57, 64, 9, 0, 46]]
1
83
4
#include <cmath> #include <iostream> using namespace std; int prime(int x) { if (x == 2) return 1; else if (x < 2 || x % 2 == 0) return 0; for (int i = 3; i < sqrt(x); i++) if (x % i == 0) return 0; return 1; } int main() { int n, m, cnt = 0; cin >> n; for (int i = 0; i < n; i++) { ...
#include <cmath> #include <iostream> using namespace std; int prime(int x) { if (x == 2) return 1; else if (x < 2 || x % 2 == 0) return 0; for (int i = 3; i <= sqrt(x); i++) if (x % i == 0) return 0; return 1; } int main() { int n, m, cnt = 0; cin >> n; for (int i = 0; i < n; i++) { ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
1
132
2
#include <cmath> #include <iostream> using namespace std; int main() { int n; cin >> n; int A[n], count = 0; for (int i = 0; i < n; i++) { cin >> A[i]; } for (int i = 0; i < n; i++) { int L = A[i]; int M = sqrt(L); for (int x = 2; x < M; x++) { if (L % x == 0) { count--; ...
#include <cmath> #include <iostream> using namespace std; int main() { int n; cin >> n; int A[n], count = 0; for (int i = 0; i < n; i++) { cin >> A[i]; } for (int i = 0; i < n; i++) { int L = A[i]; int M = sqrt(L); for (int x = 2; x <= M; x++) { if (L % x == 0) { count--; ...
[["-", 0, 7, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 7, 8, 9, 0, 7, 15, 16, 17, 19]]
1
129
2
#include <cmath> #include <iostream> const int MAX_N = 10000; int main() { int n = 0; int numbers[MAX_N] = {0}; std::cin >> n; int count = n; for (int i = 0; i < n; i++) { int x = 0; std::cin >> x; if (x == 2) { continue; } if ((x > 2) && ((x % 2) == 0)) { count--; ...
#include <cmath> #include <iostream> const int MAX_N = 10000; int main() { int n = 0; int numbers[MAX_N] = {0}; std::cin >> n; int count = n; for (int i = 0; i < n; i++) { int x = 0; std::cin >> x; if (x == 2) { continue; } if ((x > 2) && ((x % 2) == 0)) { count--; ...
[["-", 8, 9, 0, 57, 15, 339, 51, 16, 17, 79], ["+", 8, 9, 0, 57, 15, 339, 51, 16, 17, 60], ["+", 8, 9, 0, 57, 64, 9, 0, 116, 0, 117], ["+", 8, 9, 0, 57, 64, 9, 0, 116, 0, 35], ["+", 0, 7, 8, 9, 0, 57, 64, 9, 0, 46], ["-", 15, 339, 51, 16, 31, 23, 0, 16, 12, 22], ["+", 15, 339, 51, 16, 31, 23, 0, 16, 12, 22], ["-", 0, 7...
1
211
8
#include <cmath> #include <iostream> using namespace std; bool checkp(int m) { if (m == 2) return true; if (m <= 1 || m % 2 == 0) return false; for (int i = 3; i < sqrt(m); i += 2) { if (m % i == 0) return false; } return true; } int main() { int n, m, cnt = 0; cin >> n; for (int i =...
#include <cmath> #include <iostream> using namespace std; bool checkp(int m) { if (m == 2) return true; if (m <= 1 || m % 2 == 0) return false; for (int i = 3; i <= sqrt(m); i += 2) { if (m % i == 0) return false; } return true; } int main() { int n, m, cnt = 0; cin >> n; for (int i ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
1
132
2
#include <algorithm> #include <cmath> #include <iostream> #include <vector> using namespace std; bool is_prime(int x) { auto n = static_cast<int>(sqrt(x)); if (x % 2 == 0 && x != 2) { return false; } for (int i = 3; i < n; i += 2) { if (x % i == 0) { return false; } } return true; } int...
#include <algorithm> #include <cmath> #include <iostream> #include <vector> using namespace std; bool is_prime(int x) { auto n = static_cast<int>(sqrt(x)) + 1; if (x % 2 == 0 && x != 2) { return false; } for (int i = 3; i < n; i += 2) { if (x % i == 0) { return false; } } return true; } ...
[["+", 8, 9, 0, 43, 49, 50, 51, 16, 17, 72], ["+", 8, 9, 0, 43, 49, 50, 51, 16, 12, 13]]
1
198
2
#include <cmath> #include <cstdio> #include <vector> using namespace std; int main() { vector<int> in_list; vector<bool> isprime; int m = 0, N, tmp, Nsqrt, cnt; scanf("%d", &N); for (int i = 0; i < N; ++i) { scanf("%d", &tmp); if (m < tmp) m = tmp; in_list.push_back(tmp); } isprime.re...
#include <cmath> #include <cstdio> #include <vector> using namespace std; int main() { vector<int> in_list; vector<bool> isprime; int m = 0, N, tmp, Nsqrt, cnt; scanf("%d", &N); for (int i = 0; i < N; ++i) { scanf("%d", &tmp); if (m < tmp) m = tmp; in_list.push_back(tmp); } isprime.re...
[["-", 0, 11, 12, 16, 31, 2, 3, 4, 0, 22], ["+", 0, 11, 12, 16, 31, 2, 3, 4, 0, 22], ["-", 0, 7, 8, 9, 0, 7, 15, 16, 12, 22], ["+", 0, 7, 8, 9, 0, 7, 15, 16, 12, 22]]
1
235
4
#include <algorithm> #include <cmath> #include <cstdio> #include <iostream> #include <vector> using namespace std; #define REP(i, n) for (int(i) = 0; (i) < (n); (i)++) #define For(i, a, b) for (int(i) = (a); (i) < (b); (i)++) bool isprime(int N) { if (N == 2) return true; if (N % 2 == 0) return false; f...
#include <algorithm> #include <cmath> #include <cstdio> #include <iostream> #include <vector> using namespace std; #define REP(i, n) for (int(i) = 0; (i) < (n); (i)++) #define For(i, a, b) for (int(i) = (a); (i) < (b); (i)++) bool isprime(int N) { if (N == 2) return true; if (N % 2 == 0) return false; f...
[["+", 0, 57, 15, 339, 51, 91, 28, 23, 0, 24], ["+", 0, 57, 15, 339, 51, 91, 28, 23, 0, 25]]
1
142
2
#include <bits/stdc++.h> using namespace std; int main() { bool flag[10001] = {0}; for (int i = 2; i < 10001; i++) { if (flag[i]) continue; for (int j = i + i; j < 10001; j++) flag[j] = true; } int n; int d; int sum = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> d; int j...
#include <bits/stdc++.h> using namespace std; int main() { bool flag[10001] = {0}; for (int i = 2; i < 10001; i++) { if (flag[i]) continue; for (int j = i + i; j < 10001; j += i) flag[j] = true; } int n; int d; int sum = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> d; in...
[["-", 0, 7, 8, 9, 0, 7, 26, 27, 17, 29], ["+", 0, 7, 8, 9, 0, 7, 26, 11, 17, 107], ["+", 0, 7, 8, 9, 0, 7, 26, 11, 12, 22]]
1
173
3
#include <bits/stdc++.h> #define r(i, n) for (int i = 0; i < n; i++) using namespace std; typedef long long ll; struct NT { vector<bool> isprime; ll mod_mult(ll a, ll b, ll m) { ll res = 0; ll exp = a % m; while (b) { if (b & 1) { res += exp; if (res > m) res -= m; ...
#include <bits/stdc++.h> #define r(i, n) for (int i = 0; i < n; i++) using namespace std; typedef long long ll; struct NT { vector<bool> isprime; ll mod_mult(ll a, ll b, ll m) { ll res = 0; ll exp = a % m; while (b) { if (b & 1) { res += exp; if (res > m) res -= m; ...
[["-", 0, 57, 15, 339, 51, 2, 3, 4, 0, 13], ["+", 0, 57, 15, 339, 51, 2, 3, 4, 0, 13]]
1
527
2
#include <algorithm> #include <bitset> #include <cassert> #include <climits> #include <cmath> #include <cstdio> #include <cstring> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <unor...
#include <algorithm> #include <bitset> #include <cassert> #include <climits> #include <cmath> #include <cstdio> #include <cstring> #include <iomanip> #include <iostream> #include <list> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <unor...
[["-", 0, 1, 0, 11, 12, 2, 3, 4, 0, 22], ["+", 0, 1, 0, 11, 12, 2, 3, 4, 0, 22]]
1
173
2
#include <bits/stdc++.h> #define MAX 100000000 using namespace std; int main() { int n, res = 0; cin >> n; for (int i = 0, tmp; i < n; i++) { cin >> tmp; for (int j = 2; j * j <= tmp; j++) { if (tmp % j == 0) { res++; break; } } } cout << res << endl; return 0; }
#include <bits/stdc++.h> #define MAX 100000000 using namespace std; int main() { int n, res = 0; cin >> n; for (int i = 0, tmp; i < n; i++) { cin >> tmp; for (int j = 2; j * j <= tmp; j++) { if (tmp % j == 0) { res++; break; } } } cout << n - res << endl; return 0; }
[["+", 0, 1, 0, 16, 31, 16, 12, 16, 31, 22], ["+", 0, 1, 0, 16, 31, 16, 12, 16, 17, 33]]
1
90
2
#include <algorithm> //std::sort #include <bitset> //std::bitset #include <chrono> //std::chrono(C++11) #include <cmath> //abs,std::pow,sqrt,sin,cos,round,floor,ceil #include <cstdlib> //abs #include <ctime> //localtime_s #include <fstream> //std::ifstream,std::ofstream #include <functional> //...
#include <algorithm> //std::sort #include <bitset> //std::bitset #include <chrono> //std::chrono(C++11) #include <cmath> //abs,std::pow,sqrt,sin,cos,round,floor,ceil #include <cstdlib> //abs #include <ctime> //localtime_s #include <fstream> //std::ifstream,std::ofstream #include <functional> //...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["-", 8, 9, 0, 7, 15, 16, 12, 2, 63, 22], ["-", 0, 7, 15, 16, 12, 2, 3, 4, 0, 24], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19], ["-", 0, 7, 15, 16, 12, 2, 3, 4, 0, 25], ["+", 8, 9, 0, 7, 15, 16, 12, 16, 17, 85], ["+", 8, 9, 0, 7, 15, 16, 12, 16, 12, 22]]
1
230
7
#include <iostream> #include <math.h> #include <string> using namespace std; int main() { int n, m; ; cin >> m; int count = m; for (int s = 0; s < m; s++) { cin >> n; if (n == 2) continue; else if (n % 2 == 0) count--; else { for (int i = 3; i < sqrt(n); i += 2) { if...
#include <iostream> #include <math.h> #include <string> using namespace std; int main() { int n, m; ; cin >> m; int count = m; for (int s = 0; s < m; s++) { cin >> n; if (n == 2) continue; else if (n % 2 == 0) count--; else { for (int i = 3; i <= sqrt(n); i += 2) { i...
[["-", 75, 76, 0, 9, 0, 7, 15, 16, 17, 18], ["+", 75, 76, 0, 9, 0, 7, 15, 16, 17, 19]]
1
118
2
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <string> #include <vector> using namespace std; bool is_prime(long long n) { for (int i = 2; i * i < n; i++) { if (n % i) return false; } return true; } int main() { int n, count = 0; long long m; cin >> n; ...
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <string> #include <vector> using namespace std; bool is_prime(long long n) { for (int i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } int main() { int n, count = 0; long long m; cin >>...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19], ["+", 8, 9, 0, 57, 15, 339, 51, 16, 17, 60], ["+", 8, 9, 0, 57, 15, 339, 51, 16, 12, 13]]
1
112
4
#define FOR(i, min, max) for (int(i) = (min); (i) < (max); (i)++) #include <algorithm> #include <iostream> #include <math.h> #include <string> #include <utility> #include <vector> using namespace std; int main() { int n, c = 0; cin >> n; FOR(i, 0, n) { int r; cin >> r; if (r == 2 || r == 3) { ...
#define FOR(i, min, max) for (int(i) = (min); (i) < (max); (i)++) #include <algorithm> #include <iostream> #include <math.h> #include <string> #include <utility> #include <vector> using namespace std; int main() { int n, c = 0; cin >> n; FOR(i, 0, n) { int r; cin >> r; if (r == 2 || r == 3) { ...
[["+", 0, 1, 0, 2, 3, 4, 0, 16, 17, 72], ["+", 0, 1, 0, 2, 3, 4, 0, 16, 12, 13]]
1
154
2
// http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_1_C&lang=jp #include <iostream> #include <vector> using namespace std; #define debug(x) cout << #x << "==" << x << endl; const int inf = 100000000; typedef long long ll; // 素数判定 O(root(n)) bool is_prime(int n) { if (n == 1) { return false; ...
// http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ALDS1_1_C&lang=jp #include <iostream> #include <vector> using namespace std; #define debug(x) cout << #x << "==" << x << endl; const int inf = 100000000; typedef long long ll; // 素数判定 O(root(n)) bool is_prime(int n) { if (n == 1) { return false; ...
[["-", 0, 57, 15, 339, 51, 16, 31, 16, 12, 13], ["+", 0, 57, 15, 339, 51, 16, 31, 16, 12, 22]]
1
149
2
#include <iostream> #include <vector> using namespace std; bool isprime(int val) { if (val < 2) return false; if (val == 2) return true; if (val % 2 == 0) return false; for (int i = 3; i * i <= val; i += 2) { if (val % 2 == 0) return false; } return true; } int main() { int vals =...
#include <iostream> #include <vector> using namespace std; bool isprime(int val) { if (val < 2) return false; if (val == 2) return true; if (val % 2 == 0) return false; for (int i = 3; i * i <= val; i += 2) { if (val % i == 0) return false; } return true; } int main() { int vals =...
[["-", 0, 57, 15, 339, 51, 16, 31, 16, 12, 13], ["+", 0, 57, 15, 339, 51, 16, 31, 16, 12, 22]]
1
120
2
#include <iostream> using namespace std; int main() { int n, pn, pnc = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> pn; if ((pn == 2) || (pn == 3)) pnc += 1; else if (pn % 2) { } else { for (int j = 3; j <= pn / j; j += 2) { if (pn % j == 0) { pnc -= 1; ...
#include <iostream> using namespace std; int main() { int n, pn, pnc = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> pn; if ((pn == 2) || (pn == 3)) pnc += 1; else if (pn % 2 == 0) { } else { for (int j = 3; j <= pn / j; j += 2) { if (pn % j == 0) { pnc -= 1; ...
[["+", 75, 76, 0, 57, 15, 339, 51, 16, 17, 60], ["+", 75, 76, 0, 57, 15, 339, 51, 16, 12, 13]]
1
123
2
#include <iostream> #include <math.h> #define INPUT_FROM_FILE (0) #if INPUT_FROM_FILE #include <fstream> #endif #if INPUT_FROM_FILE #define IS ifs #else #define IS std::cin #endif bool is_prime(int num) { bool ret = true; int max = int(sqrt(num)); if (num == 2) { } else if (num % 2 == 0) { ret = false;...
#include <iostream> #include <math.h> #define INPUT_FROM_FILE (0) #if INPUT_FROM_FILE #include <fstream> #endif #if INPUT_FROM_FILE #define IS ifs #else #define IS std::cin #endif bool is_prime(int num) { bool ret = true; int max = int(sqrt(num)) + 1; if (num == 2) { } else if (num % 2 == 0) { ret = fa...
[["+", 8, 9, 0, 43, 49, 50, 51, 16, 17, 72], ["+", 8, 9, 0, 43, 49, 50, 51, 16, 12, 13]]
1
201
2
#include <algorithm> #include <cctype> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdio.h> #include <string.h> #include <string> #include <vector> using namespace std; bool is_prime(int x) { if (x == 2) re...
#include <algorithm> #include <cctype> #include <iomanip> #include <iostream> #include <map> #include <math.h> #include <queue> #include <set> #include <sstream> #include <stack> #include <stdio.h> #include <string.h> #include <string> #include <vector> using namespace std; bool is_prime(int x) { if (x == 2) re...
[["+", 0, 52, 8, 9, 0, 1, 0, 16, 31, 22], ["+", 0, 52, 8, 9, 0, 1, 0, 16, 17, 152], ["+", 0, 52, 8, 9, 0, 1, 0, 16, 12, 22], ["+", 8, 9, 0, 52, 8, 9, 0, 1, 0, 35]]
1
138
4
#include <iostream> using namespace std; bool isPrime(int p) { if (p <= 1) return false; for (int i = 2; i * i <= p; i += 2) { if (p % i == 0) return false; } return true; } int main() { int n, p, count = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> p; if (isPrime(p)) co...
#include <iostream> using namespace std; bool isPrime(int p) { if (p <= 1) return false; for (int i = 2; i * i <= p; i++) { if (p % i == 0) return false; } return true; } int main() { int n, p, count = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> p; if (isPrime(p)) count...
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#include <iostream> #include <math.h> using namespace std; int couent = 0; int keisann(int a) { if (a == 2) { couent++; } if (a % 2 == 0) { return 0; } int v = sqrt(a); for (int i = 3; i < v; i += 2) { if (a % i == 0) { return 0; } } couent++; } int main() { int dataset; cin ...
#include <iostream> #include <math.h> using namespace std; int couent = 0; int keisann(int a) { if (a == 2) { couent++; } if (a % 2 == 0) { return 0; } int v = sqrt(a); for (int i = 3; i <= v; i += 2) { if (a % i == 0) { return 0; } } couent++; } int main() { int dataset; cin...
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#include <cmath> #include <iostream> using namespace std; int isPrime(int x) { if (x == 2) { return 1; } else if (x % 2 == 0) { return 0; } else { int ans = 1; for (int j = 2; j < (int)sqrt((double)x); j++) { if (x % j == 0) { ans = 0; break; } } return ans; ...
#include <cmath> #include <iostream> using namespace std; int isPrime(int x) { if (x == 2) { // cout << "Prime:" << 2 << endl; return 1; } else if (x % 2 == 0) { return 0; } else { int ans = 1; for (int j = 2; j <= (int)sqrt((double)x); j++) { if (x % j == 0) { ans = 0; ...
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#include <bits/stdc++.h> using namespace std; bool isPrime(int a) { for (int i = 2; i * i <= a; i++) if (a % i) return 0; return 1; } int main() { int n; cin >> n; int ans = 0; while (n--) { int num; cin >> num; ans += isPrime(num); } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; bool isPrime(int a) { for (int i = 2; i * i <= a; i++) if (a % i == 0) return 0; return 1; } int main() { int n; cin >> n; int ans = 0; while (n--) { int num; cin >> num; ans += isPrime(num); } cout << ans << endl; return 0; }
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#include <cmath> #include <iostream> using namespace std; int prs[5000]; int pri = 1; int isPrime(int a) { int flg; if (sqrt(a) > prs[pri]) { for (int i = prs[pri] + 2; i < sqrt(a); i += 2) { flg = 1; for (int j = 0; j <= pri; j++) { if (sqrt(i) < prs[i]) break; if (i % p...
#include <cmath> #include <iostream> using namespace std; int prs[10000]; int pri = 1; int isPrime(int a) { int flg; if (sqrt(a) > prs[pri]) { for (int i = prs[pri] + 2; i <= sqrt(a); i += 2) { flg = 1; for (int j = 0; j <= pri; j++) { if (sqrt(i) < prs[i]) break; if (i %...
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1
250
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#include <cmath> #include <iostream> #include <vector> using namespace std; bool is_prime(int64_t n) { if (n == 2) { return true; } else if (n % 2 == 0) { return false; } for (int64_t i = 3; i < sqrt(n); i += 2) { if (n % i == 0) { return false; } } return true; } int main() { i...
#include <cmath> #include <iostream> #include <vector> using namespace std; bool is_prime(int64_t n) { if (n == 2) { return true; } else if (n % 2 == 0) { return false; } for (int64_t i = 3; i <= sqrt(n); i += 2) { if (n % i == 0) { return false; } } return true; } int main() { ...
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1
140
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#include <cmath> #include <iostream> int gcd(long unsigned int a, long unsigned int b) { // assuming a > b if (a % b == 0) return b; return gcd(b, a % b); } bool is_prime(long unsigned int n) { for (long unsigned int i = 2; i < n; i++) if (gcd(n, i) != 1) return false; return true; } bool is...
#include <cmath> #include <iostream> int gcd(long unsigned int a, long unsigned int b) { // assuming a > b if (a % b == 0) return b; return gcd(b, a % b); } bool is_prime(long unsigned int n) { for (long unsigned int i = 2; i < n; i++) if (gcd(n, i) != 1) return false; return true; } bool is...
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1
217
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#include <algorithm> #include <cmath> #include <complex> #include <cstdlib> #include <functional> #include <iomanip> #include <iostream> #include <limits.h> #include <map> #include <math.h> #include <numeric> #include <queue> #include <stdio.h> #include <stdlib.h> #include <string> #include <time.h> #include <unordered...
#include <algorithm> #include <cmath> #include <complex> #include <cstdlib> #include <functional> #include <iomanip> #include <iostream> #include <limits.h> #include <map> #include <math.h> #include <numeric> #include <queue> #include <stdio.h> #include <stdlib.h> #include <string> #include <time.h> #include <unordered...
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1
205
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#include <cmath> #include <iostream> #include <vector> using namespace std; int main() { int n, x, ans = 0; vector<int> a; cin >> n; for (int i = 0; i < n; i++) { cin >> x; a.push_back(x); } for (int i = 0; i < n; i++) { if (a[i] == 2) { ans++; continue; } if (a[i] <= 1) ...
#include <cmath> #include <iostream> #include <vector> using namespace std; int main() { int n, x, ans = 0; vector<int> a; cin >> n; for (int i = 0; i < n; i++) { cin >> x; a.push_back(x); } for (int i = 0; i < n; i++) { if (a[i] == 2) { ans++; continue; } if (a[i] <= 1) ...
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1
179
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#include <cmath> #include <iostream> using namespace std; bool primep(int num) { if (num == 2) return true; else if (num % 2 == 0) return false; else { for (int i = 3; i < (int)sqrt(num); i += 2) if (num % i == 0) return false; return true; } } int main() { int n; int count...
#include <cmath> #include <iostream> using namespace std; bool primep(int num) { if (num == 2) return true; else if (num % 2 == 0) return false; else { for (int i = 3; i <= ceil(sqrt(num)); i += 2) if (num % i == 0) return false; return true; } } int main() { int n; int cou...
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1
135
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#include <iostream> #include <math.h> using namespace std; int pn(int num) { if (num == 2 || num == 3 || num == 5) return 1; if (num < 2 || num % 2 == 0) return 0; int i = 3; while (i < sqrt(num)) { if (num % i == 0) return 0; i += 2; } return 1; } int main() { int n; int num...
#include <iostream> #include <math.h> using namespace std; int pn(int num) { if (num == 2 || num == 3 || num == 5) return 1; if (num < 2 || num % 2 == 0) return 0; int i = 3; while (i <= sqrt(num)) { if (num % i == 0) return 0; i += 2; } return 1; } int main() { int n; int nu...
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1
139
2
#include <assert.h> #include <iostream> using namespace std; bool primeChecker(int object) { assert(object > 1); int i = 2; while (i * i <= object) { if (object % i == 0) return false; i++; } return true; } int main() { int n; int counter = 0; cin >> n; for (int i = 0; i < n; ++i) { ...
#include <assert.h> #include <iostream> using namespace std; bool primeChecker(int object) { assert(object > 1); int i = 2; while (i * i <= object) { if (object % i == 0) return false; i++; } return true; } int main() { int n; int counter = 0; cin >> n; for (int i = 0; i < n; ++i) { ...
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1
116
1
#include <iostream> #include <math.h> bool isPrim(int x) { if (x == 2) { return true; } if (x < 2 || x % 2 == 0) { return false; } // x????????¶??°??????2??????sqrt(x)?????§???????????°?????? for (int i = 2; i < sqrt(x); i++) { if ((x % i) == 0) { return false; } i++; } return...
#include <iostream> #include <math.h> bool isPrim(int x) { if (x == 2) { return true; } if (x < 2 || x % 2 == 0) { return false; } // x????????¶??°??????2??????sqrt(x)?????§???????????°?????? for (int i = 3; i <= sqrt(x); i++) { if ((x % i) == 0) { return false; } i++; } retur...
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1
141
4
#include <algorithm> #include <array> #include <cmath> #include <cstdio> #include <iomanip> #include <iostream> #include <sstream> #include <string> #include <vector> using namespace std; int main(void) { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int cnt = 0; for (int...
#include <algorithm> #include <array> #include <cmath> #include <cstdio> #include <iomanip> #include <iostream> #include <sstream> #include <string> #include <vector> using namespace std; int main(void) { int n; cin >> n; int a[n]; for (int i = 0; i < n; i++) { cin >> a[i]; } int cnt = 0; for (int...
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1
187
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#include <cmath> #include <cstdio> int main(void) { int i, n; scanf("%d", &n); int a[n]; for (i = 0; i < n; i++) { scanf("%d", &a[i]); } int c = 0; for (i = 0; i < n; i++) { int y = sqrt(a[i]); // printf("y=%d\n",y); int j; if (y == 1) { c++; } else { for (j = 2; j...
#include <cmath> #include <cstdio> int main(void) { int i, n; scanf("%d", &n); int a[n]; for (i = 0; i < n; i++) { scanf("%d", &a[i]); } int c = 0; for (i = 0; i < n; i++) { int y = sqrt(a[i]); // printf("y=%d\n",y); int j; if (y == 1) { c++; } else { for (j = 2; j...
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1
163
2
#include <cmath> #include <iostream> using namespace std; void inputData(int R[], int *N) { cin >> *N; for (int i = 0; i < *N; i++) { cin >> R[i]; } } bool isPrimeNumber(int in) { if (in == 2) return true; if (in % 2 == 0) return false; int s = (int)sqrt((double)in); for (int i = 3; i < s; ...
#include <cmath> #include <iostream> using namespace std; void inputData(int R[], int *N) { cin >> *N; for (int i = 0; i < *N; i++) { cin >> R[i]; } } bool isPrimeNumber(int in) { if (in == 2) return true; if (in % 2 == 0) return false; int s = (int)sqrt((double)in); for (int i = 3; i <= s;...
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1
205
2
#include <iostream> #include <math.h> using namespace std; int main() { int N, x, c; c = 0; cin >> N; for (int i = 1; i <= N; i++) { cin >> x; int fc; fc = 0; for (int j = 1; j <= sqrt(x); j++) { if (x % j == 0) fc += 1; } if (fc == 2) c += 1; } cout << c << endl...
#include <iostream> #include <math.h> using namespace std; int main() { int N, x, c; c = 0; cin >> N; for (int i = 1; i <= N; i++) { cin >> x; int fc; fc = 0; for (int j = 1; j <= sqrt(x); j++) { if (x % j == 0) { fc += 1; } } if (fc == 1) c += 1; } cout <<...
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1
106
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#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <vector> using namespace std; bool is_prime(int num) { int a = sqrt(num); for (int i = 2; i < a; i++) { if (num % i == 0) { return false; } } return true; } int main(void) { int n; cin >> n; int num; ...
#include <algorithm> #include <cmath> #include <iomanip> #include <iostream> #include <vector> using namespace std; bool is_prime(int num) { int a = sqrt(num); for (int i = 2; i <= a; i++) { if (num % i == 0) { return false; } } return true; } int main(void) { int n; cin >> n; int num; ...
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1
127
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#include <cstdio> #include <iostream> using namespace std; //?´???°????????¢??° int isPrime(int n) { unsigned int i; if (n < 2) // ??\??????2??????????????°???????????¨??§false return 0; else if (n == 2) // ??\??????2????????°???????????¨??§True return 1; if (n % 2 == 0) //??\??????2??§????????????...
#include <cstdio> #include <iostream> using namespace std; //?´???°????????¢??° int isPrime(int n) { unsigned int i; if (n < 2) // ??\??????2??????????????°???????????¨??§false return 0; else if (n == 2) // ??\??????2????????°???????????¨??§True return 1; if (n % 2 == 0) //??\??????2??§????????????...
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1
158
1
#include <bits/stdc++.h> using namespace std; bool isprime(int p) { for (int i = 2; i * i < p; i++) { if (p % i == 0) return false; } return true; } int main() { int num; int count = 0; cin >> num; for (int i = 0; i < num; i++) { int p; cin >> p; if (isprime(p)) count++; } ...
#include <bits/stdc++.h> using namespace std; bool isprime(int p) { for (int i = 2; i * i <= p; i++) { if (p % i == 0) return false; } return true; } int main() { int num; int count = 0; cin >> num; for (int i = 0; i < num; i++) { int p; cin >> p; if (isprime(p)) count++; } ...
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1
103
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#include <math.h> #include <stdio.h> #define MAX 10000000 int main() { int i, j, n, s, ary[10000], y; double x; scanf("%d", &n); s = n; for (i = 0; i < n; i++) { scanf("%d", &ary[i]); } for (i = 0; i < n; i++) { for (j = 2; j < sqrt(ary[i]); j++) { if (ary[i] % j == 0) { s = s - 1;...
#include <math.h> #include <stdio.h> #define MAX 10000000 int main() { int i, j, n, s, ary[10000], y; double x; scanf("%d", &n); s = n; for (i = 0; i < n; i++) { scanf("%d", &ary[i]); } for (i = 0; i < n; i++) { for (j = 2; j <= sqrt(ary[i]); j++) { if (ary[i] % j == 0) { s = s - 1...
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1
141
2
#include <iostream> using namespace std; bool isprime(int x) { int i; if (x == 2) { return true; } if (x < 2 || x % 2 == 0) { return false; } for (i = 3; i * i <= x; i += 2) { if (x % i == 0) { return false; } return true; } } int main() { int n, i, x; int count ...
#include <iostream> using namespace std; bool isprime(int x) { int i; if (x == 2) { return true; } if (x < 2 || x % 2 == 0) { return false; } for (i = 3; i * i <= x; i += 2) { if (x % i == 0) { return false; } } return true; } int main() { int n, i, x; int count = ...
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1
142
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#include <iostream> using namespace std; // 素数判定 bool isPrime(int x) { // 1 は例外的に素数じゃない判定しておく if (x == 1) { return false; } // 偶数をはじく if (x != 2 && x % 2 == 0) { return false; } //√x までの間で割り切れる数値があれば素数じゃない for (int i = 3; i * i < x; i += 2) { if (x % i == 0) { return false; } ...
#include <iostream> using namespace std; // 素数判定 bool isPrime(int x) { // 1 は例外的に素数じゃない判定しておく if (x == 1) { return false; } // 偶数をはじく if (x != 2 && x % 2 == 0) { return false; } //√x までの間で割り切れる数値があれば素数じゃない for (int i = 3; i * i <= x; i += 2) { if (x % i == 0) { return false; } ...
[["-", 0, 14, 8, 9, 0, 7, 15, 16, 17, 18], ["+", 0, 14, 8, 9, 0, 7, 15, 16, 17, 19]]
1
142
2
// // // prime.cpp - created by us162022 // #include <iostream> #include <math.h> using namespace std; int main(int argc, char *argv[]) { int n, x, count = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> x; if (x % 2) { bool flag = true; for (int j = 3; j < sqrt(x); j += 2) { if ...
// // // prime.cpp - created by us162022 // #include <iostream> #include <math.h> using namespace std; int main(int argc, char *argv[]) { int n, x, count = 0; cin >> n; for (int i = 0; i < n; i++) { cin >> x; if (x % 2) { bool flag = true; for (int j = 3; j <= sqrt(x); j += 2) { if...
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1
134
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