Submission #71846603

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
#define int long long 
const int N=3e5+5; 
struct node{
	int w,p;
}a[N];
int T,n;
inline bool cmp(node a,node b){
	return a.w+a.p>b.w+b.p;
}
signed main(){
	ios::sync_with_stdio(false);
	cin.tie(0),cout.tie(0);
	cin>>T;
	while(T--){
		cin>>n;
		int totw=0;
		for(int i=1;i<=n;i++)cin>>a[i].w>>a[i].p,totw+=a[i].w;
		sort(a+1,a+n+1,cmp);
		int curw=totw,curp=0,ans=n;
		for(int i=1;i<=n;i++){
			curw-=a[i].w;
			curp+=a[i].p;
			if(curp>=curw){
				ans=n-i;
				break;
			}
		}
		cout<<ans<<'\n';
	}
	return 0;
}

Submission Info

Submission Time
Task C - Reindeer and Sleigh 2
User kac17
Language C++23 (GCC 15.2.0)
Score 350
Code Size 589 Byte
Status AC
Exec Time 52 ms
Memory 8384 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 350 / 350
Status
AC × 1
AC × 28
Set Name Test Cases
Sample 00_sample_00.txt
All 00_sample_00.txt, 01_test_00.txt, 01_test_01.txt, 01_test_02.txt, 01_test_03.txt, 01_test_04.txt, 01_test_05.txt, 01_test_06.txt, 01_test_07.txt, 01_test_08.txt, 01_test_09.txt, 01_test_10.txt, 01_test_11.txt, 01_test_12.txt, 01_test_13.txt, 01_test_14.txt, 01_test_15.txt, 01_test_16.txt, 01_test_17.txt, 01_test_18.txt, 01_test_19.txt, 01_test_20.txt, 01_test_21.txt, 01_test_22.txt, 01_test_23.txt, 01_test_24.txt, 01_test_25.txt, 01_test_26.txt
Case Name Status Exec Time Memory
00_sample_00.txt AC 1 ms 3480 KiB
01_test_00.txt AC 31 ms 3752 KiB
01_test_01.txt AC 32 ms 3548 KiB
01_test_02.txt AC 34 ms 3556 KiB
01_test_03.txt AC 38 ms 3752 KiB
01_test_04.txt AC 41 ms 3776 KiB
01_test_05.txt AC 45 ms 5188 KiB
01_test_06.txt AC 51 ms 8288 KiB
01_test_07.txt AC 50 ms 8284 KiB
01_test_08.txt AC 51 ms 8268 KiB
01_test_09.txt AC 23 ms 3552 KiB
01_test_10.txt AC 24 ms 3496 KiB
01_test_11.txt AC 25 ms 3716 KiB
01_test_12.txt AC 29 ms 3664 KiB
01_test_13.txt AC 32 ms 3796 KiB
01_test_14.txt AC 33 ms 5032 KiB
01_test_15.txt AC 35 ms 8324 KiB
01_test_16.txt AC 34 ms 8172 KiB
01_test_17.txt AC 35 ms 8288 KiB
01_test_18.txt AC 32 ms 3456 KiB
01_test_19.txt AC 33 ms 3624 KiB
01_test_20.txt AC 35 ms 3552 KiB
01_test_21.txt AC 39 ms 3680 KiB
01_test_22.txt AC 43 ms 3808 KiB
01_test_23.txt AC 36 ms 5032 KiB
01_test_24.txt AC 52 ms 8252 KiB
01_test_25.txt AC 52 ms 8384 KiB
01_test_26.txt AC 51 ms 8384 KiB