제출 #764012

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
764012		vjudge1	Fountain (eJOI20_fountain)	C++14	0 / 100	1572 ms	2280 KiB

fountain

//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include<bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define pb push_back
#define pf push_front
#define ppb pop_back
#define forik(x) ll i = 1; i <= x; i++

const int mod = 1e9 + 7;

using namespace std;

ll n, q, d[100001], c[100001], idx, r, a, b, e;

ll gcd (ll a, ll b){
	while (a > 0 && b > 0){
		if (a >= b){
			a %= b;
		}
		else{
			b %= a;
		}
	}
	return a + b;
}

ll binpow(ll a, ll b){
	a %= mod;
	if(b == 0){
		return 1;
	}
	if(b % 2 == 1){
		return binpow (a, b - 1) % mod * a;
	}
	if(b % 2 == 0){
		ll t = binpow(a, b / 2) % mod;
		return t * t % mod;
	}
}

signed main (){
	ios_base::sync_with_stdio(0);
	cin.tie(0); cout.tie(0);
cin >> n >> q;
for (int i = 1; i <= n; i++){
	cin >> d[i] >> c[i];
}
while (q--){
	cin >> idx >> r;
	a = d[idx];
	b = 0;
	for (int i = idx; i <= n; i++){
		if (d[i] >= a){
			r -= c[i];
			a = d[i];
		}
		if (r <= 0){
			b = i;
			break;
		}
	}
	cout << b << '\n';
}
}

컴파일 시 표준 에러 (stderr) 메시지

fountain.cpp: In function 'long long int binpow(long long int, long long int)':
fountain.cpp:42:1: warning: control reaches end of non-void function [-Wreturn-type]
   42 | }
      | ^

• Subtask 1: 0 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40