Submission #126985

#	Time	Username	Problem	Language	Result	Execution time	Memory
126985		Lawliet	Sure Bet (CEOI17_sure)	C++14	20 / 100	2 ms	376 KiB

sure

#include <bits/stdc++.h>

#define MAX 1010

using namespace std;

int n;

float ans;
float sumA, sumB;

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 qtdA = 0 ; qtdA <= n ; qtdA++)
	{
		if(qtdA != 0) sumA += a[ n - qtdA + 1 ];
		sumB = 0.0;

		for(int qtdB = 0 ; qtdB <= n ; qtdB++)
		{
			if(qtdB != 0) sumB += b[ n - qtdB + 1 ];

			float fA = (float) qtdA;
			float fB = (float) qtdB;

			float aux;

			if(sumA > sumB) aux = sumB - fA - fB;
			else aux = sumA - fA - fB;

			ans = max(ans , aux);
		}
	}

	printf("%.4lf\n",(double) ans);
}

Compilation message (stderr)

sure.cpp: In function 'int main()':
sure.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
sure.cpp:20:8: 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