Submission #1659492


Source Code Expand

#include <bits/stdc++.h>
/*
*/

using namespace std;



int main(){
	long long int N, C;
	cin >> N >> C;
	vector<long long int>D(N);
	for( size_t i = 0; i < N; i++ ){
		cin >> D[i];
	}
	sort(D.rbegin(), D.rend());
	long long int ans = 0;
	vector<bool>F(N,true);
	for( size_t i = 0; i < N; i++ ){
		if(F[i] ){
			ans++;
			long long int minv = i+1, maxv = N;
			while( minv+1<maxv ){
				long long int midv = ( minv + maxv ) / 2;
				//cout << minv << " " << midv << " " << maxv << endl;

				if( D[i]+D[midv]+1<=C ){
					maxv = midv;
				} else{
					minv = midv;
				}
			}
			while(minv<N&& D[i] + D[minv] + 1 > C )minv++;
			//cout << minv << endl;
			while( minv < N&&!F[minv]  )minv++;
			if(minv<N)F[minv]= false;
			//cout << minv << endl;
		}
	}
	cout << ans << endl;
}

Submission Info

Submission Time
Task C - 収納
User goryudyuma
Language C++14 (GCC 5.4.1)
Score 300
Code Size 818 Byte
Status AC
Exec Time 417 ms
Memory 1024 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 16
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, sample_01.txt, sample_02.txt, sample_03.txt
Case Name Status Exec Time Memory
01.txt AC 57 ms 1024 KB
02.txt AC 57 ms 1024 KB
03.txt AC 417 ms 1024 KB
04.txt AC 51 ms 1024 KB
05.txt AC 160 ms 1024 KB
06.txt AC 23 ms 1024 KB
07.txt AC 28 ms 1024 KB
08.txt AC 38 ms 1024 KB
09.txt AC 41 ms 1024 KB
10.txt AC 22 ms 1024 KB
11.txt AC 57 ms 1024 KB
12.txt AC 50 ms 1024 KB
13.txt AC 34 ms 1024 KB
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB