Submission #69192909

Source Code Expand

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#include <stdio.h>
char suwaru[212345];
int main(void) {
  int N, K;
  int i, left, first;
  if (scanf("%d%d", &N, &K) != 2) return 1;
  left = K;
  for (i = 0; left > 0 && i < N; i++) {
    if (i % 3 != 2) {
      suwaru[i] = 1;
      left--;
    }
  }
  for (i = N - 1; left > 0 && i >= 0; i--) {
    if (!suwaru[i]) {
      suwaru[i] = 1;
      left--;
    }
  }
 
 
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#include <stdio.h>

char suwaru[212345];

int main(void) {
	int N, K;
	int i, left, first;
	if (scanf("%d%d", &N, &K) != 2) return 1;
	left = K;
	for (i = 0; left > 0 && i < N; i++) {
		if (i % 3 != 2) {
			suwaru[i] = 1;
			left--;
		}
	}
	for (i = N - 1; left > 0 && i >= 0; i--) {
		if (!suwaru[i]) {
			suwaru[i] = 1;
			left--;
		}
	}
	for (i = 0, first = 1; i < N; i++) {
		if (suwaru[i]) {
			printf(" %d" + first, i + 1);
			first = 0;
		}
	}
	putchar('\n');
	return 0;
}

/*

まず、2人座らせて1個あける、を繰り返す
埋まりきったら？
→ 間に入れていく
ずらしても改善はしなそう (予想)

*/

Submission Info

Judge Result