oj.uz

답안 #81634

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
81634 2018-10-25T16:18:59 Z xiaowuc1 Akcija (COCI15_akcija) C++14
80 / 80
 32 ms 3512 KB 
#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);
}

Compilation message

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
80.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 512 KB Output is correct
3 Correct 2 ms 560 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 21 ms 1704 KB Output is correct
7 Correct 23 ms 1976 KB Output is correct
8 Correct 15 ms 2424 KB Output is correct
9 Correct 32 ms 2944 KB Output is correct
10 Correct 26 ms 3512 KB Output is correct