贡献一个随机生成数据

#include <bits/stdc++.h>

using namespace std;
const int N = 10, M = 5, Q = 5, C = 3, V = 20;
int topo[M+5], h[M+5];

signed main(){
    freopen("data.in", "w", stdout);
    srand(time(0));
    printf("%d\n", N);
    for (int i=1; i<=N; i++) 
        printf("%d ", rand()%V);
    putchar('\n');

    printf("%d\n", M);
    int type, c;
    for(int i=1; i<=M; i++){
        type = rand() % 3 + 1;
        if(type == 1){
            printf("%d ", type);
            printf("%d %d\n", rand()% N+1, rand()%V);
        }
        else if(type == 2){
            printf("%d ", type);
            printf("%d\n", rand()%V);
        }
        else{
            if(i == 1) {i--; continue;}
            printf("%d ", type);
            c = rand()%C+1;
            printf("%d ", c);
            for(int j=0; j < c; j++)
                printf("%d ", rand() % (i - 1) + 1);
            putchar('\n');
        }
    }

    printf("%d\n", Q);
    for(int i=1; i<=Q; i++){
        printf("%d ", rand()%M+1);
    }

    return 0;
}