数据生成器

data.cpp

#include<bits/stdc++.h>
#include<chrono>
#include<random>
using namespace std;
long long get_time_stamp(){
    return chrono::duration_cast<chrono::nanoseconds>(chrono::high_resolution_clock::now().time_since_epoch()).count();
}
struct Rand{
    mt19937_64 *rnd;
    Rand(){rnd=new mt19937_64(get_time_stamp());}
    Rand(long long x){rnd=new mt19937_64(x);}
    ~Rand(){delete rnd;}
    long long operator()(long long l,long long r){
        return (*rnd)()%(r-l+1)+l;
    }
}rnd;
int main(){
    int n=rnd(1,10),m=5;
    cout<<n<<" "<<m<<"\n";
    vector<int> rcd;
    for(int i=1;i<=n;i++) rcd.emplace_back(i);
    for(int i=1;i<=n;i++) swap(rcd[rnd(0,n-1)],rcd[rnd(0,n-1)]);
    for(int i=1;i<n;i++){
        int c=rnd(0,i-1);
        cout<<rcd[c]<<" "<<rcd[i]<<" "<<rnd(1,8)<<"\n";
    }
    for(int i=1;i<=m;i++) cout<<rnd(1,8)<<"\n";
    return 0;
}

附赠对拍器（带进度条/用时显示）