Submission #1194251

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Source Code Expand

#include <bits/stdc++.h>
#define PB push_back
#define MP make_pair
#define F first
#define S second
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()
#ifdef _DEBUG_
	#define debug(...) printf(__VA_ARGS__)
#else
	#define debug(...) (void)0
#endif
using namespace std;
typedef long long ll;
typedef pair<int,int> PII;
typedef vector<int> VI;

int main() {
	int N;
	scanf("%d", &N);
	VI a;
	int t;
	for(int i = 0; i < 3 * N; i++) {
		scanf("%d", &t);
		a.PB(t);
	}
	sort(ALL(a));
	reverse(ALL(a));
	ll ans = 0;
	for(int i = 1; i < 2 * N; i += 2)
		ans += a[i];
	cout << ans << endl;
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:20:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
                 ^
./Main.cpp:24:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &t);
                  ^

Judge Result