Submission #1156722


Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)


typedef long long ll;
int N, A[101010];
//-----------------------------------------------------------------
bool chk(int idx) {
	queue<int> que;
	rep(i, 0, N) if (i != idx) que.push(A[i]);

	ll size = A[idx];
	while (!que.empty()) {
		int q = que.front();
		que.pop();

		if (size * 2 < q) return false;
		size += q;
	}

	return true;
}
//-----------------------------------------------------------------
int sol() {
	sort(A, A + N);

	if (chk(0)) return N;

	int lo = 0, hi = N;
	while (lo + 1 != hi) {
		int mi = (lo + hi) / 2;
		if (chk(mi)) hi = mi;
		else lo = mi;
	}

	return N - hi;
}
//-----------------------------------------------------------------
int main() {
	cin >> N;
	rep(i, 0, N) scanf("%d", &A[i]);
	
	cout << sol() << endl;
}

Submission Info

Submission Time
Task B - Colorful Creatures
User hamayanhamayan
Language C++14 (GCC 5.4.1)
Score 400
Code Size 876 Byte
Status AC
Exec Time 27 ms
Memory 1096 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:42:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  rep(i, 0, N) scanf("%d", &A[i]);
                                 ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 400 / 400
Status
AC × 3
AC × 19
Set Name Test Cases
Sample sample1.txt, sample2.txt, sample3.txt
All sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in2.txt, in3.txt, in4.txt, in5.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt
Case Name Status Exec Time Memory
in1.txt AC 27 ms 1088 KB
in10.txt AC 11 ms 632 KB
in11.txt AC 25 ms 1088 KB
in12.txt AC 22 ms 1088 KB
in13.txt AC 21 ms 1088 KB
in2.txt AC 19 ms 1024 KB
in3.txt AC 19 ms 1024 KB
in4.txt AC 27 ms 1088 KB
in5.txt AC 8 ms 512 KB
in6.txt AC 24 ms 1088 KB
in7.txt AC 26 ms 1088 KB
in8.txt AC 24 ms 1096 KB
in9.txt AC 4 ms 384 KB
sample1.txt AC 1 ms 256 KB
sample2.txt AC 1 ms 256 KB
sample3.txt AC 1 ms 256 KB