#define _CRT_SECURE_NO_WARNINGS #include <stdio.h> int main() { int n; printf("请输入行数"); scanf("%d", &n); int a = 0; int b = 2*n-2; for (int j = 0;j < n;j++) { for(int i=0;i<2*n-1;i++) if (i == a || i == b) { printf("v"); } else printf...