Submission #1195308

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for (int i = 0; i < (int) (n); i++)
#define pb push_back
#define mp make_pair
#define maximize(a, b) ((a)<(b)?(a)=(b),1:0)
#define minimize(a, b) ((a)>(b)?(a)=(b),1:0)
void MAIN();
int main() {
//    freopen("input.txt", "r", stdin);

    MAIN();
    return 0;
}

const int N = 100032;
int n, a[N];

void MAIN() {
    scanf("%d", &n);
    REP(i, 3*n) scanf("%d", a+i);
    sort(a, a+3*n);
    long long ans = 0;
    REP(i, n) {
        ans += a[3*n - i*2 - 2];
    }
    cout << ans << endl;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void MAIN()’:
./Main.cpp:20:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &n);
                    ^
./Main.cpp:21:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     REP(i, 3*n) scanf("%d", a+i);
                                 ^

Judge Result