离散题目16

#include<stdio.h>int main(){int t;scanf("%d", &t);while(t--){int a[105][105] = {0};int n;scanf("%d", &n);int i;int x;for(i = 1; i <= n; i++){scanf("%d", &x);a[x][x] = 1;}int m;scanf("%d", &m);int y;for(i = 1; i <= m; i++){scanf("%d %d", &x, &y);a[x][y] = 1;}int j;for(i = 1; i <= n; i++)for(j = 1; j <= n; j++)if(a[i][j] == 1)printf("%d %d\n", i, j);printf("\n");}return 0;}