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Submission #126993

# Submission time Handle Problem Language Result Execution time Memory
126993 2019-07-08T18:25:38 Z Lawliet Sure Bet (CEOI17_sure) C++14
20 / 100
 2 ms 380 KB 
#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

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
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 128 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 380 KB Output is correct

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 128 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Incorrect 2 ms 256 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 128 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 380 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Incorrect 2 ms 256 KB Output isn't correct
12 Halted 0 ms 0 KB -