Submission #8092050

---

Source Code Expand

#include <bits/stdc++.h>
#define mem(a,b) memset(a,b,sizeof a);
#define rep(i,a,b) for(int i = a; i <= b; i++)
#define per(i,a,b) for(int i = a; i >= b; i--)
#define __ ios::sync_with_stdio(0);cin.tie(0);cout.tie(0)
typedef long long ll;
typedef double db;
const int N = 200+10;
const db EPS = 1e-9;
using namespace std;

void dbg() {cout << "\n";}
template<typename T, typename... A> void dbg(T a, A... x) {cout << a << ' '; dbg(x...);}
#define logs(x...) {cout << #x << " -> "; dbg(x);}

int n,a[N];

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

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:20:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^
./Main.cpp:21:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  rep(i,1,2*n) scanf("%d",&a[i]);
                                ^

Judge Result