Submission #2226791

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Source Code Expand

#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int INF = 1e9;
const ll LINF = 1e18;
template<class S,class T> ostream &operator << (ostream& out,const pair<S,T>& o){
    out << "(" << o.first << "," << o.second << ")"; return out;
}

/*
アな問題が多いので,まとめる
*/
// https://abc042.contest.atcoder.jp/tasks/abc042_a
void abc042_a(){ ll A,B,C; cin >> A >> B >> C; if(A == 5 && B == 5 && C == 7){ cout << "YES" << endl; return;} if(A == 5 && B == 7 && C == 5){ cout << "YES" << endl; return;} if(A == 7 && B == 5 && C == 5){ cout << "YES" << endl; return;} cout << "NO" << endl; return ; }
// https://abc043.contest.atcoder.jp/tasks/abc043_a
void abc043_a(){ ll N; cin >> N; cout << N*(N+1)/2 << endl; }
// https://abc046.contest.atcoder.jp/tasks/abc046_a
void abc046_a(){ ll a,b,c; cin >> a >> b >> c; set<ll> s; s.insert(a); s.insert(b); s.insert(c); cout << s.size() << endl; }
// https://abc048.contest.atcoder.jp/tasks/abc048_a
void abc048_a(){string s1,s2,s3;cin>>s1>>s2>>s3;cout<<"A"<<s2[0]<<"C"<<endl;}
int main(void) {
	cin.tie(0); ios::sync_with_stdio(false);
    abc048_a();
	return 0;
}

Submission Info

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