Submission #68101254

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Source Code Expand

#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops,inline")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4.1,sse4.2,avx,avx2,popcnt")
using namespace std;

#define IO cin.tie(0);cin.sync_with_stdio(0);
#define int long long
#define double long double
#define F first
#define S second
#define pb push_back
#define all(a) a.begin(),a.end()
#define SZ(a) ((int)a.size())

using ll=long long;
using pii=pair<int, int>;
using pipii=pair<int, pii>;
using ppi=pair<pii, int>;
using ppipi=pair<pii,pii>;

template<typename T> using min_heap=priority_queue<T,vector<T>,greater<T>>;
template<typename T> using max_heap=priority_queue<T>;
template<typename T> using vv=vector<vector<T>>;
template<typename T> using vvv=vector<vector<vector<T>>>;

using vi=vector<int>;
using vpi=vector<pii>;
using vvi=vv<int>;
using vvpi=vv<pii>;
using vvvi=vvv<int>;
using vvvpi=vvv<pii>;

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int rd(int l, int r){ return uniform_int_distribution<int>(l, r)(rng);}
template<typename T, typename S> T ifloor(T a, S b){return a/b-(a%b&&(a^b)<0);}
template<typename T, typename S> T iceil(T a, S b){return ifloor(a+b-1,b);}
void FIO(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}

void solve(){
    int n, a, b;
    cin >> n >> a >> b;
    string s;
    cin >> s;
    for (int i = a; i < n - b; i++){
        cout << s[i];
    }
    cout << "\n";
}

signed main() {
    IO
    
    int t = 1;
    // cin >> t;
    while (t--){
        solve();
    }
}

/*
 ____   ___    ___     ____  _____          ____    ____   ___
|      |   |  |   \   |        |     /|    |       |      |   \
|      |   |  |    |  |____    |      |    |   _   |____  |___/
|      |   |  |    |  |        |      |    |    |  |      |  \
|____  |___|  |___/   |____    |    __|__  |____|  |____  |   \
 
*/

Submission Info

Compile Error

Main.cpp: In function ‘void FIO(std::string)’:
Main.cpp:37:27: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   37 | void FIO(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
      |                    ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:37:64: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   37 | void FIO(string s){freopen((s+".in").c_str(),"r",stdin);freopen((s+".out").c_str(),"w",stdout);}
      |                                                         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Judge Result