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全部文章（共121篇）

【C】#包含数字9的数#

#include <stdio.h> int main() { int cnt = 0; for(int i = 1; i <= 2019; i++){ int tmp = i; while(tmp){ if...

2022-12-06

2 1524

【C】#魔法数字变换#

#include <stdio.h> int main() { int n, cnt = 0; scanf("%d", &n); while (n != 1) { if (n % 2) n = 3 * n + 1;...

2022-12-06

1 1475

【C】#数位之和#

#include <stdio.h> int main() { int num, sum = 0; scanf("%d", &num); while(num){ sum += num % 10; num /= 10; ...

2022-12-06

1 1507

【C】#牛牛学数列4#

#include <stdio.h> int main() { int n, sum = 0, tmp = 0; scanf("%d", &n); for (int i = 1; i <= n; i++) { tmp += i; ...

2022-12-06

1 1472

【C】#牛牛学数列3#

#include <stdio.h> #include <math.h> int main() { int n; float ret = 0.0, tmp = 0.0; scanf("%d", &n); for(int i = 1; ...

2022-12-06

1 1431

【C】#牛牛学数列2#

#include <stdio.h> int main() { int n; double sum = 0.0; scanf("%d", &n); for (int i = 1; i <= n; i++) { sum += ...

2022-12-06

2 1511

【C】#牛牛学数列#

#include <stdio.h> int main() { int n, sum = 0; scanf("%d", &n); for (int i = 1; i <= n; i++) { if (i % 2 == 0) ...

2022-12-06

1 1441

【C】#乘法表#

#include <stdio.h> int main() { for (int i = 1; i <= 9; i++) { for (int j = 1; j <= i; j++) { printf("%d*%d=%2d "...

2022-12-06

2 1429

【C】#KiKi求质数个数#

#include <stdio.h> #include <math.h> int main() { int cnt = 0; for (int i = 101; i <= 999; i += 2) { int flag = 1; ...

2022-12-06

1 1454

【C】#奇偶统计#

#include <stdio.h> int main() { int n, odd = 0, even = 0; scanf("%d", &n); for(int i = 1; i <= n; i++){ if(i % 2) ...

2022-12-05

1 1594