Submission #1454263

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Source Code Expand

#include <cstdio>
#include <algorithm>
using namespace std;

int n, a[300005];
int main() {
	scanf("%d", &n);
	for (int i = 1; i <= 3 * n; i++) {
		scanf("%d", &a[i]);
	}
	sort(a + 1, a + 3 * n + 1);
	long long ans = 0;
	for (int i = n + 1; i < 3 * n; i += 2) {
		ans += a[i];
	}
	printf("%I64d", ans);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:21: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
  printf("%I64d", ans);
                     ^
./Main.cpp:7:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:9:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
                     ^

Judge Result