Submission #1281494


Source Code Expand

#include "bits/stdc++.h"

#define debug(x) cout<<#x<<": "<<x<<endl
#define rep(i,n) for (int i=0;i<(n);i++)
#define FOR(i,a,b) for (int i=(a);i<=(b);i++)
#define all(a) (a).begin(),(a).end()
using namespace std;
typedef vector<int> VI;
typedef vector<vector<int>> VVI;
typedef long long ll;


void solve() {
#ifdef _WIN32
	istream &cin = ifstream("input.txt");
#endif
	int n, m;
	cin >> n >> m;

	vector<ll> v(100000);
	rep(i, n) {
		int x, y;
		cin >> x >> y;
		v[--x] += y;
	}
	ll sum = 0;
	rep(i, 100000) {
		sum += v[i];
		if (sum >= m) {
			cout << i + 1 << endl;
			break;
		}
	}
}



int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	solve();
#ifdef _WIN32
	system("PAUSE");
#endif
	return 0;
}

Submission Info

Submission Time
Task C - Big Array
User piniky
Language C++14 (GCC 5.4.1)
Score 0
Code Size 755 Byte
Status WA
Exec Time 17 ms
Memory 1024 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 300
Status
AC × 2
AC × 11
WA × 6
Set Name Test Cases
Sample sample_01.txt, sample_02.txt
All sample_01.txt, sample_02.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 1024 KB
sample_02.txt AC 2 ms 1024 KB
subtask_1_1.txt AC 2 ms 1024 KB
subtask_1_10.txt WA 3 ms 1024 KB
subtask_1_11.txt WA 3 ms 1024 KB
subtask_1_12.txt WA 3 ms 1024 KB
subtask_1_13.txt WA 3 ms 1024 KB
subtask_1_14.txt WA 3 ms 1024 KB
subtask_1_15.txt WA 3 ms 1024 KB
subtask_1_2.txt AC 2 ms 1024 KB
subtask_1_3.txt AC 7 ms 1024 KB
subtask_1_4.txt AC 12 ms 1024 KB
subtask_1_5.txt AC 17 ms 1024 KB
subtask_1_6.txt AC 2 ms 1024 KB
subtask_1_7.txt AC 2 ms 1024 KB
subtask_1_8.txt AC 2 ms 1024 KB
subtask_1_9.txt AC 8 ms 1024 KB