競プロ　テンプレート

a.cpp

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<n; i++)
typedef long long ll;
typedef pair<int,int> P;
const ll MOD = (int)1e9+7;
const ll INF = MOD*MOD;
const ll powll = 1LL<<1;
  
int main(){
  int tt; cin >> tt;
  while(tt--){
       cout << 1 << "\n";
  }
}

atcoder.cpp

#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("Ofast")
#define rep(i,n) for(int i=0; i<n; i++)
typedef long long ll;
typedef pair<int,int> P;
const ll MOD = (int)1e9+7;
const ll INF = MOD*MOD;
const ll powll = 1LL<<1;
  
int main(){
    int tt: cin >> tt;
    while(tt--){
        
    }
}

File1

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<n; i++)
typedef long long ll;
typedef pair<int,int> P;
const ll MOD = (int)1e9+7;
const ll INF = MOD*MOD;
const ll powll = 1LL<<1;
  
int main(){
  int tt; cin >> tt;
  while(tt--){
       cout << 1 << "\n";
  }
}