Submission #126993

#	Time	Username	Problem	Language	Result	Execution time	Memory
126993		Lawliet	Sure Bet (CEOI17_sure)	C++14	20 / 100	2 ms	380 KiB

sure

#include <bits/stdc++.h>
 
#define MAX 1010
 
using namespace std;
 
int n;
 
float ans = -1.0;
 
float a[MAX];
float b[MAX];
 
int main()
{
	scanf("%d",&n);
 
	for(int g = 1 ; g <= n ; g++)
		scanf("%f %f",&a[g],&b[g]);
 
	//sort(a + 1 , a + n + 1);
	//sort(b + 1 , b + n + 1);

	for(int k = 1 ; k <= n ; k++)
	{
		for(int g = 1 ; g < n ; g++)
		{
			if(a[g] > a[g + 1])
				swap(a[g] , a[g + 1]);

			if(b[g] > b[g + 1])
				swap(b[g] , b[g + 1]);
		}
	}
 
	float sumA, sumB;
 
	sumA = 0;
 
	for(int qtdA = 0 ; qtdA <= n ; qtdA++)
	{
		sumA += a[ n - qtdA + 1 ];
		sumB = 0;
 
		for(int qtdB = 0 ; qtdB <= n ; qtdB++)
		{
			sumB += b[ n - qtdB + 1 ];
 
			ans = max(ans , min(sumA , sumB) - qtdA - qtdB);
		}
	}
 
	printf("%.4f\n",ans);
}

Compilation message (stderr)

sure.cpp: In function 'int main()':
sure.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
sure.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%f %f",&a[g],&b[g]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 0 / 40
• Subtask 3: 0 / 40