UVa 1605 Building for UN ——思路题

#include <cstdio>#include <cstring>using namespace std;const char ans[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";int main(){    int n;    while (scanf("%d", &n) == 1) {        printf("2 %d %d\n", n, n);        for (int i = 0; i < n; i++) {            for (int j = 0; j < n; j++) {                printf("%c", ans[i]);            }            printf("\n");        }        printf("\n");        for (int i = 0; i < n; i++) {            for (int j = 0; j < n; j++) {                printf("%c", ans[j]);            }            printf("\n");        }    }    return 0;}