Submission #71858815

Source Code Expand

#include <bits/stdc++.h>
using namespace std;

const int N = 3e5 + 5;
struct Lu
{
    int w, p;
    bool operator<(const Lu &lu) const
    {
        return w + p < lu.w + lu.p;
    }
} a[N];

void sol()
{
    int n;
    cin >> n;
    for (int i = 1; i <= n; ++i)
        cin >> a[i].w >> a[i].p;
    sort(a + 1, a + n + 1);
    vector<long long> sum(n + 2, 0), rsum(n + 2, 0);
    for (int i = 1; i <= n; ++i)
    {
        sum[i] = sum[i - 1] + a[i].w;
    }
    for (int i = n; i >= 1; --i)
    {
        rsum[i] = rsum[i + 1] + a[i].p;
    }
    int res = 0;
    for (int i = 1; i < n; ++i)
    {
        if (rsum[i+1] >= sum[i])
            res = i;
        else
            break;
    }
    cout << res << endl;
}

int main()
{
    int T = 1;
    cin >> T;
    while (T--)
    {
        sol();
    }

    return 0;
}

Submission Info

Submission Time
Task C - Reindeer and Sleigh 2
User altman_xie
Language C++23 (GCC 15.2.0)
Score 350
Code Size 871 Byte
Status AC
Exec Time 167 ms
Memory 10348 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 3564 KiB
01_test_00.txt AC 167 ms 3552 KiB
01_test_01.txt AC 146 ms 3560 KiB
01_test_02.txt AC 146 ms 3716 KiB
01_test_03.txt AC 147 ms 3576 KiB
01_test_04.txt AC 149 ms 3892 KiB
01_test_05.txt AC 149 ms 5564 KiB
01_test_06.txt AC 159 ms 10232 KiB
01_test_07.txt AC 158 ms 10296 KiB
01_test_08.txt AC 159 ms 10296 KiB
01_test_09.txt AC 98 ms 3504 KiB
01_test_10.txt AC 79 ms 3552 KiB
01_test_11.txt AC 78 ms 3632 KiB
01_test_12.txt AC 79 ms 3636 KiB
01_test_13.txt AC 81 ms 3804 KiB
01_test_14.txt AC 83 ms 5864 KiB
01_test_15.txt AC 85 ms 10324 KiB
01_test_16.txt AC 85 ms 10320 KiB
01_test_17.txt AC 85 ms 10348 KiB
01_test_18.txt AC 125 ms 3448 KiB
01_test_19.txt AC 106 ms 3448 KiB
01_test_20.txt AC 104 ms 3552 KiB
01_test_21.txt AC 106 ms 3696 KiB
01_test_22.txt AC 108 ms 3824 KiB
01_test_23.txt AC 85 ms 5328 KiB
01_test_24.txt AC 117 ms 10272 KiB
01_test_25.txt AC 117 ms 10260 KiB
01_test_26.txt AC 117 ms 10264 KiB