제출 #87804

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
87804		asifthegreat	Akcija (COCI15_akcija)	C++14	80 / 80	26 ms	3344 KiB

akcija

#include <bits/stdc++.h>
using namespace std;

int ara[300000];

int main()
{
    int n;
    scanf("%d",&n);
    for(int i = 1; i <= n;i++){
        scanf("%d",&ara[i]);
    }
    sort(ara+1,ara+1+n,greater<int>());
    int sum = 0;
    int last_taken = -1;
    ara[n+1] = 0;
    ara[n+2] = 0;
    for(int i = 1; i <= n;i+=3){
        sum += ara[i];
        sum += ara[i+1];
    }
    printf("%d\n",sum);
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

akcija.cpp: In function 'int main()':
akcija.cpp:15:9: warning: unused variable 'last_taken' [-Wunused-variable]
     int last_taken = -1;
         ^~~~~~~~~~
akcija.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
akcija.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d",&ara[i]);
         ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 80 / 80