제출 #81634

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
81634		xiaowuc1	Akcija (COCI15_akcija)	C++14	80 / 80	32 ms	3512 KiB

akcija

#include <bits/stdc++.h>

/*
unsigned seed1 = std::chrono::system_clock::now().time_since_epoch().count();
mt19937 g1.seed(seed1);

ios_base::sync_with_stdio(false);
cin.tie(NULL);
*/
using namespace std;

const double PI = 2 * acos(0);

typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<int, ll> pill;
typedef pair<ll, ll> pll;
typedef long double ld;
typedef vector<vector<ll>> matrix;

int main() {
  int n;
  scanf("%d", &n);
  vector<int> v;
  for(int i = 0; i < n; i++) {
    int t;
    scanf("%d", &t);
    v.push_back(t);
  }
  sort(v.begin(), v.end());
  reverse(v.begin(), v.end());
  ll ret = 0;
  for(int i = 0; i < n; i++) {
    if(i%3==2) continue;
    ret += v[i];
  }
  printf("%lld\n", ret);
}

컴파일 시 표준 에러 (stderr) 메시지

akcija.cpp: In function 'int main()':
akcija.cpp:24:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ~~~~~^~~~~~~~~~
akcija.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &t);
     ~~~~~^~~~~~~~~~

• Subtask 1: 80 / 80