Submission #72752106

Source Code Expand

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#include <stdio.h>
int R, C;
int a[16][11234];
int main(void) {
  int i, j, k;
  int ans = 0;
  if (scanf("%d%d", &R ,&C) != 2) return 1;
  for (i = 0; i < R; i++) {
    for (j = 0; j < C; j++) {
      if (scanf("%d", &a[i][j]) != 1) return 1;
    }
  }
  /* 縦の裏返しかたを全探索 */
  for (k = 0; k < (1 << R); k++) {
    int score = 0;
    for (j = 0; j < C; j++) {
      /* それぞれの列で、より有利なほうを選ぶ */
      int omote_cnt = 0;
      for (i = 0; i < R; i++) {
 
 
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#include <stdio.h>

int R, C;
int a[16][11234];

int main(void) {
	int i, j, k;
	int ans = 0;
	if (scanf("%d%d", &R ,&C) != 2) return 1;
	for (i = 0; i < R; i++) {
		for (j = 0; j < C; j++) {
			if (scanf("%d", &a[i][j]) != 1) return 1;
		}
	}
	/* 縦の裏返しかたを全探索 */
	for (k = 0; k < (1 << R); k++) {
		int score = 0;
		for (j = 0; j < C; j++) {
			/* それぞれの列で、より有利なほうを選ぶ */
			int omote_cnt = 0;
			for (i = 0; i < R; i++) {
				omote_cnt += a[i][j] ^ ((k >> i) & 1);
			}
			score += omote_cnt >= R - omote_cnt ? omote_cnt : R - omote_cnt;
		}
		if (score > ans) ans = score;
	}
	printf("%d\n", ans);
	return 0;
}

Submission Info

Judge Result