Submission #2097181


Source Code Expand

#include <iostream>
#include <cstdio>
#include <queue>

using namespace std;

typedef long long ll;
ll n, mx = -4e18;
ll a[300005];
ll sum[300005];
ll sum2;
priority_queue<ll, vector<ll>, greater<ll> > pq1;
priority_queue<ll> pq2;

int main()
{
    scanf("%lld", &n);
    for(ll i = 1; i <= 3 * n; i++)
    {
        scanf("%lld", &a[i]);
    }
    for(ll i = 1; i <= 2 * n; i++)
    {
        pq1.push(a[i]);
        if(i <= n) sum[n] += a[i];
        else sum[i] = sum[i - 1] - pq1.top() + a[i], pq1.pop();
    }
    for(ll i = 2 * n + 1; i <= 3 * n; i++) pq2.push(a[i]), sum2 += a[i];
    for(ll i = 2 * n; i >= n; i--)
    {
        mx = max(mx, sum[i] - sum2);
        pq2.push(a[i]);
        sum2 += -pq2.top() + a[i], pq2.pop();
    }
    printf("%lld", mx);
    return 0;
}

Submission Info

Submission Time
Task D - 3N Numbers
User mathking1021
Language C++14 (GCC 5.4.1)
Score 500
Code Size 819 Byte
Status AC
Exec Time 62 ms
Memory 6004 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld", &n);
                      ^
./Main.cpp:20:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld", &a[i]);
                             ^

Judge Result

Set Name Sample Subtask All
Score / Max Score 0 / 0 300 / 300 200 / 200
Status
AC × 3
AC × 27
AC × 43
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
Subtask 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 2_00.txt, 2_01.txt, 2_02.txt, 2_03.txt, 2_04.txt, 2_05.txt, 2_06.txt, 2_07.txt, 2_08.txt, 2_09.txt, 2_10.txt, 2_11.txt, 2_12.txt, 2_13.txt, 2_14.txt, 2_15.txt
Case Name Status Exec Time Memory
0_00.txt AC 2 ms 2304 KB
0_01.txt AC 2 ms 2304 KB
0_02.txt AC 2 ms 2304 KB
1_00.txt AC 2 ms 2304 KB
1_01.txt AC 2 ms 2304 KB
1_02.txt AC 2 ms 2304 KB
1_03.txt AC 2 ms 2304 KB
1_04.txt AC 2 ms 2304 KB
1_05.txt AC 2 ms 2304 KB
1_06.txt AC 2 ms 2304 KB
1_07.txt AC 2 ms 2304 KB
1_08.txt AC 2 ms 2304 KB
1_09.txt AC 2 ms 2304 KB
1_10.txt AC 2 ms 2304 KB
1_11.txt AC 2 ms 2304 KB
1_12.txt AC 2 ms 2304 KB
1_13.txt AC 2 ms 2304 KB
1_14.txt AC 2 ms 2304 KB
1_15.txt AC 2 ms 2304 KB
1_16.txt AC 2 ms 2304 KB
1_17.txt AC 2 ms 2304 KB
1_18.txt AC 2 ms 2304 KB
1_19.txt AC 2 ms 2304 KB
1_20.txt AC 2 ms 2304 KB
1_21.txt AC 2 ms 2304 KB
1_22.txt AC 2 ms 2304 KB
1_23.txt AC 2 ms 2304 KB
2_00.txt AC 33 ms 6004 KB
2_01.txt AC 46 ms 6004 KB
2_02.txt AC 45 ms 6004 KB
2_03.txt AC 46 ms 6004 KB
2_04.txt AC 45 ms 6004 KB
2_05.txt AC 46 ms 6004 KB
2_06.txt AC 45 ms 6004 KB
2_07.txt AC 46 ms 6004 KB
2_08.txt AC 39 ms 6004 KB
2_09.txt AC 38 ms 5876 KB
2_10.txt AC 39 ms 6004 KB
2_11.txt AC 38 ms 5876 KB
2_12.txt AC 61 ms 6004 KB
2_13.txt AC 62 ms 6004 KB
2_14.txt AC 62 ms 6004 KB
2_15.txt AC 62 ms 6004 KB