题解 | #箭形图案#
箭形图案
https://www.nowcoder.com/practice/a6d1081e0c9a42f19e42ed6cd91556c1
#include <stdio.h>
int main() {
    int n;
    while (scanf("%d",&n) != EOF) {
        for (int i = 0; i <= n ; i++) {
            for (int j = 0; j < 2*n - 2*i; j++) {
                    printf(" ");
            }
            for (int k = 0; k < i + 1; k++) {
                printf("*");
            }
            printf("\n");
        }
        for (int i = 0; i < n; i++) {
            for (int j = 0; j < 2 + 2*i; j++) {
                printf(" ");
            }
            for (int k = 0; k < n - i; k++) {
                printf("*");
            }
            printf("\n");
        }
    }
    return 0;
}
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