oj.uz

답안 #82682

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
82682 2018-11-01T10:22:48 Z heon Pareto (COCI17_pareto) C++11
30 / 80
 75 ms 1792 KB 
#include<bits/stdc++.h>

using namespace std;

int main(){
	
	int n;
	scanf("%d", &n);
	vector <int> v(n);
	int sum = 0;
	for(int i = 0; i < n; i++){
		scanf("%d", &v[i]);
		sum += v[i];
	}
	sort(v.rbegin(), v.rend());
	int curr = 0;
	double a, b;
	double solb = 0.0, sola = 0.0;
	for(int i = 0; i < n; i++){
		curr += v[i];
		a = (double) (i+1) / n;
		b = (double) curr / sum;
		if(b - a > solb - sola){
			solb = b, sola = a;
		}
	}
	cout << fixed << setprecision(14) << sola * 100 << "\n";
	cout << fixed << setprecision(14) << solb * 100;
}

Compilation message

pareto.cpp: In function 'int main()':
pareto.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
pareto.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &v[i]);
   ~~~~~^~~~~~~~~~~~~

Subtask #1
30.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 KB Output is correct
3 Correct 2 ms 440 KB Output is correct
4 Incorrect 2 ms 488 KB Output isn't correct
5 Incorrect 4 ms 492 KB Output isn't correct
6 Incorrect 24 ms 888 KB Output isn't correct
7 Incorrect 51 ms 1280 KB Output isn't correct
8 Incorrect 75 ms 1792 KB Output isn't correct