ip << .... ;
op << .... ;

vd:

ip << "cac" << "\n cac"; # nhap vao file input
out << "cac" << "\n cac" # nhap vao file output

Luon luon << ko dc >> khi dung ip , op

file_build({folder dir},{name},{ext input},{ext output});

vd :

file_build("./deptrai/","vip",".txt",".txt")

file_end();

Luu y: luon luon phai co file_end(); khi file_build(...); uwu

rand_str({size})

vd:

rand_str(69); # FNuRXhDZqSfCfvLgYYxwTKHwPCqOhMafFUnOKsCTjnoxUROvkEpuITYcsBsbQFEVmPhOG

rand_int(l,r)

vd:

rand_int(1,69);  # 69

code vd sinh N test

#include <bits/stdc++.h>
#include "giaosu.h"
using namespace std;
signed main(){
    ios_base::sync_with_stdio(0);
    cout.tie(0); cout.tie(0);
    int test = 1;
    while(test--){
        string s = to_string(test);
        file_build("./testda/",s,".inp",".out");

        int a = rand_int(1,69);
        int b = rand_int(1,69);

        ip << a << " " << b;
        op << a + b;

        file_end();
    }
    return 0;
}