Submission #2557882

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>
 
int main() {
	int n, q;
	int total_oishisa = 0;
	int max_oishisa = 0;
	int i, j, k, l;
	int tate, yoko, t_side1, t_side2, cnt;
	int side1[1250], side2[1250];
	int *oishisa, *staff_power;
 
	scanf("%d", &n);
	oishisa = (int *)malloc(sizeof(int) * n * n);
	for (i = 0; i < n; i++) {
		for (j = 0; j < n; j++) {
			scanf("%d", &oishisa[i * n + j]);
		}
	}
 
	scanf("%d", &q);
	staff_power = (int *)malloc(sizeof(int) * q);
	for (i = 0; i < q; i++) {
		scanf("%d", &staff_power[i]);
	}
 
	/* 焼ける範囲とおいしさの計算 */
	for (i = 0; i < q; i++) {
		/* 焼ける範囲たてよこの組み合わせ */
		cnt = 0;
		t_side1 = n;
		t_side2 = 0;
		while (t_side1 > 0) {
			if (staff_power[i] / t_side1 > t_side2) {
					t_side2 = staff_power[i] / t_side1;
					if (t_side2 > n) {
						t_side2 = n;
					}
					if (t_side1 >= t_side2) {
						side1[cnt] = t_side1;
						side2[cnt++] = t_side2;
					} else {
						break;
					}
			}
			t_side1--;
		}
		/* 範囲内のおいしさの合計を計算 */
		for (j = 0; j < cnt; j++) {
			t_side1 = side1[j];
			t_side2 = side2[j];
 
			while (1) {
				/* 列をずらす*/
				for (tate = 0;  (t_side1 + tate) <= n; tate++) {
					/* 行をずらす*/
					for (yoko = 0; (t_side2 + yoko) <= n; yoko++) {
						for (k = 0; k < t_side1; k++) {
							for (l = 0; l < t_side2; l++) {
								total_oishisa += oishisa[(k + tate) * n + l + yoko];
							}
						}
						if (total_oishisa > max_oishisa) {
								max_oishisa = total_oishisa;
						}
						total_oishisa = 0;
					}
				}
				/* たてとよこの長さ入れ替え*/
				if (t_side1 > t_side2) {
					t_side1 = side2[j];
					t_side2 = side1[j];
				} else {
					break;
				}
			}
		}
		printf("%d\n", max_oishisa);
		max_oishisa = 0;
	}
	free(oishisa);
	free(staff_power);
 
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:13:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ^
./Main.c:17:4: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &oishisa[i * n + j]);
    ^
./Main.c:21:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &q);
  ^
./Main.c:24:3: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &staff_power[i]);
   ^

Judge Result