问：关于CSP中的fclose

//Source Code
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <cstring>
#include <vector>
#include <queue>
#include <map>
#include <cctype>
#include <set>
#include <stack>

//using namespace std;

using i64 = long long;
using u64 = unsigned long long;
using u32 = unsigned;

constexpr i64 MAXN = 1e6 + 10;
constexpr i64 INF = 1e9 + 10;
constexpr i64 MOD = 998244353;
constexpr i64 P = 1e9 + 7;

i64 ans;
int _;

inline void solve(){

  return ;
}

signed main(){
  freopen ("fuck.in" , "r" , stdin);
  freopen ("fuck.out" , "w" , stdout);
  std :: ios :: sync_with_stdio(false);
  std :: cin.tie(0) , std :: cout.tie(0);
  //std :: cin >> _;
  //_ = 1;
  while(_ --> 0) solve();
  return (0 - 0);
  fclose (stdin);
  fclose (stdout);
}

/*

*/