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Template

#include<bits/stdc++.h>
#define file "test"

using namespace std;

#define int long long
#define ld long double
#define pii pair<int,int>
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define sz(x) x.size()

const int N=1e6+5;
const int NN=1e3+9;
const int MOD=1e9+7;
const int dx[4]={0, -1, 0, 1};
const int dy[4]={-1, 0, 1, 0};
const int INF=1e18;
const ld eps=1e-6;
const ld pi=acos(-1.0); // 48 digits

void process() {
    // Code here :V

}

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    freopen(file".inp","r",stdin);
    freopen(file".out","w",stdout);
    int t=1;
//    cin>>t;
    while (t--) process();
    return 0;
}

Test generator

#include<bits/stdc++.h>
#define ll long long

using namespace std;

const string file="name";
const int test=100;

ll rd(ll l, ll r) {
    ll val=1;
    for (int i=1;i<=4;i++)
        val=(val << 8) ^ rand();
    return l+val%(r-l+1);
}

void gen_test() {
    ofstream inp((file+".inp").c_str());

    inp.close();
}

int main() {
    srand(time(0));
    for (int i=1;i<=test;i++) {
        gen_test();
        system((file+".exe").c_str());
        system((file+"_trau.exe").c_str());
        if (system(("fc "+file+".out "+file+".ans").c_str())!=0) {
            cout<<"Test "<< i <<": Wrong Answer" << endl;
            return 0;
        }
        cout<<"Test "<< i <<": Accepted" << endl;
    }
    return 0;
}