54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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typedef struct {
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int x, y;
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} Point;
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int main() {
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Point queens[64];
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int length = 0;
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char temp[8];
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Point temp_pos;
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bool flag = true;
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for (int i = 0; i < 8; i++) {
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scanf("%s", temp);
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for (int j = 0; j < 8; j++) {
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if (temp[j] == '*') {
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queens[length].x = i;
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queens[length].y = j;
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length++;
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}
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}
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}
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if (length != 8) flag = false;
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Point a, b;
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for (int i = 0; i < length; i++) {
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if (flag == false) {
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break;
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}
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a = queens[i];
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for (int j = 0; j < i; j++) {
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b = queens[j];
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if (a.x == b.x) {
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flag = false;
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break;
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} else if (a.y == b.y) {
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flag = false;
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break;
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} else if (abs(a.x - b.x) == abs(a.y - b.y)) {
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flag = false;
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break;
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}
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}
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}
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flag ? printf("valid\n") : printf("invalid\n");
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return 0;
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} |