Submission #1194061

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Source Code Expand

#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < n; i++)
#define rep1(i,n) for(int i = 1; i < n; i++)
#define repv(i,n) for(int i = n-1; i >= 0; i--)
#define fi first
#define sc second
#define pb push_back
using namespace std;
typedef long long ll;

char BUF[3500000];
inline void I(int&a){scanf("%d",&a);}
inline void I(int&a,int&b){scanf("%d%d",&a,&b);}
inline void I(int&a,int&b,int&c){scanf("%d%d%d",&a,&b,&c);}
inline void I(int&a,int&b,int&c,int&d){scanf("%d%d%d%d",&a,&b,&c,&d);}
inline void L(ll&a){scanf("%lld",&a);}
inline void L(ll&a,ll&b){scanf("%lld%lld",&a,&b);}
inline void L(ll&a,ll&b,ll&c){scanf("%lld%lld%lld",&a,&b,&c);}
inline void L(ll&a,ll&b,ll&c,ll&d){scanf("%lld%lld%lld%lld",&a,&b,&c,&d);}
inline void S(string&str){str.clear();scanf("%s",BUF);int s=strlen(BUF);rep(i,s)str.pb(BUF[i]);}
inline void SV(vector<int>&v){v.clear();scanf("%s",BUF);int s=strlen(BUF);rep(i,s)if('a'<=BUF[i]&&BUF[i]<='z')v.pb(BUF[i]-'a');else v.pb(BUF[i]-'A');}

const auto EPS = 1e-10;
const auto INF = 100000000;
const auto MOD = 1000000007;
typedef pair<ll,ll> P;

int n, m;
int a[300000];

int main(){
    I(n);
    rep(i,3*n) I(a[i]);
    sort(a,a+3*n);
    int pos = 3*n-2;
    ll ans = 0;
    rep(i,n){
        ans += a[pos];
        pos -= 2;
    }
    cout << ans << endl;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void I(int&)’:
./Main.cpp:12:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 inline void I(int&a){scanf("%d",&a);}
                                    ^

Judge Result