Submission #75358775

Source Code Expand

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#include <stdio.h>
/*
桁DP……っぽいけど、面倒だし制約が小さいので全探索
*/
int ketawa(int n) {
  int res = 0;
  while (n > 0) {
    res += n % 10;
    n /= 10;
  }
  return res;
}
int main(void) {
  int N, K;
  int i, ans = 0;
  if (scanf("%d%d", &N, &K) != 2) return 1;
  for (i = 1; i <= N; i++) {
    ans += ketawa(i) == K;
  }
  printf("%d\n", ans);
  return 0;
}
 
 
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#include <stdio.h>

/*
桁DP……っぽいけど、面倒だし制約が小さいので全探索
*/

int ketawa(int n) {
	int res = 0;
	while (n > 0) {
		res += n % 10;
		n /= 10;
	}
	return res;
}

int main(void) {
	int N, K;
	int i, ans = 0;
	if (scanf("%d%d", &N, &K) != 2) return 1;
	for (i = 1; i <= N; i++) {
		ans += ketawa(i) == K;
	}
	printf("%d\n", ans);
	return 0;
}

Submission Info

Judge Result