出測資模板

Polygon

https://oi-wiki.org/tools/testlib/generator/

Generater

#include "testlib.h"
#include <iostream>

using namespace std;

int main(int argc, char* argv[]) {
  registerGen(argc, argv, 1);
  int n = atoi(argv[1]);
  cout << rnd.next(1, n) << " ";
  cout << rnd.next(1, n) << endl;
}

一般模板

#include<bits/stdc++.h>
#include <fstream>
#include <cstdlib> 
#include <ctime>  
#include <random>
using namespace std;
const int k = 5;

int main(){
    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    ofstream file_in, file_out; 
    for (int file_case = 1 ; file_case <= k ; file_case++) {
        // 寫in out檔案 
        ofstream file_in, file_out; 
        file_in.open(to_string(file_case) + ".in");
        file_out.open(to_string(file_case) + ".out");

        // n筆測資 
        srand( time(NULL) );
        int n  = rng() % 10000;
        string str = to_string(n);
        str += '\n'; //記得要換行 
        file_in << str;

        // 下面為處理題目 
        while (n--) {
            int t = rng() % 0X3f3f3f3f;
            if (n == 5 || t == 0) t = 1; 
            string st = to_string(t);
            st += '\n';
            file_in << st;
            string out ;
            if (t == 1 || t % 2 == 0) {
                out = "No\n";
                file_out << out ;
                continue;
            } 
            bool ans = true;
            for (int i = 3 ; i * i <= t ; i+=2) {
                if (t % i == 0){
                    ans = false;
                    break;
                } 
            }
            if (ans) {
                out = "Yes\n";
                file_out << out ;
            }else{
                out = "No\n";
                file_out << out ;
            }
        }
        file_in.close();
        file_out.close();
    }     
    return 0;
}