oj.uz

Submission #40517

# Submission time Handle Problem Language Result Execution time Memory
40517 2018-02-03T14:55:04 Z Pajaraja Ice Hockey World Championship (CEOI15_bobek) C++14
100 / 100
 618 ms 9044 KB 
#include <bits/stdc++.h>
using namespace std;
long long a[40],c[2000000];
long long binarna(int l,int r,long long val)
{
	if(l==r) return l;
	int s=(l+r)/2;
	if(c[s]>val) return binarna(l,s,val);
	return binarna(s+1,r,val);
}
int main()
{
	int n;
	long long m,sol=0;
	scanf("%d %lld",&n,&m);
	for(int i=0;i<n;i++) scanf("%lld",&a[i]);
	int p=n/2;
	for(int i=0;i<(1<<p);i++)
	{
		int ma=i;
		long long pr=0;
		for(int j=0;j<p;j++)
		{
			if(ma%2==0) pr+=a[j];
			ma/=2;
		}
		c[i]=pr;
	}
	c[1<<p]=2000000000000000000LL;
	sort(c,c+(1<<p)+1);
	int q=n-p;
	for(int i=0;i<(1<<q);i++)
	{
		int ma=i;
		long long pr=0;
		for(int j=0;j<q;j++)
		{
			if(ma%2==0) pr+=a[p+j];
			ma/=2;
		}
		sol+=binarna(0,(1<<p),m-pr);
	}
	printf("%lld",sol);
}

Compilation message

bobek.cpp: In function 'int main()':
bobek.cpp:15:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %lld",&n,&m);
                        ^
bobek.cpp:16:42: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=0;i<n;i++) scanf("%lld",&a[i]);
                                          ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 484 KB Output is correct
2 Correct 2 ms 484 KB Output is correct
3 Correct 1 ms 484 KB Output is correct
4 Correct 1 ms 484 KB Output is correct
5 Correct 2 ms 484 KB Output is correct
6 Correct 2 ms 532 KB Output is correct
7 Correct 1 ms 532 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 548 KB Output is correct
2 Correct 2 ms 716 KB Output is correct
3 Correct 2 ms 716 KB Output is correct
4 Correct 1 ms 716 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 2 ms 716 KB Output is correct
7 Correct 2 ms 716 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 716 KB Output is correct
2 Correct 2 ms 716 KB Output is correct
3 Correct 2 ms 716 KB Output is correct
4 Correct 2 ms 716 KB Output is correct
5 Correct 2 ms 716 KB Output is correct
6 Correct 2 ms 716 KB Output is correct
7 Correct 2 ms 716 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 1180 KB Output is correct
2 Correct 131 ms 2716 KB Output is correct
3 Correct 589 ms 8860 KB Output is correct
4 Correct 126 ms 8860 KB Output is correct
5 Correct 20 ms 8860 KB Output is correct
6 Correct 10 ms 8860 KB Output is correct
7 Correct 21 ms 8860 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 8860 KB Output is correct
2 Correct 42 ms 8860 KB Output is correct
3 Correct 246 ms 8860 KB Output is correct
4 Correct 1 ms 8860 KB Output is correct
5 Correct 9 ms 8860 KB Output is correct
6 Correct 20 ms 8860 KB Output is correct
7 Correct 18 ms 8860 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 8860 KB Output is correct
2 Correct 213 ms 8860 KB Output is correct
3 Correct 204 ms 8860 KB Output is correct
4 Correct 2 ms 8860 KB Output is correct
5 Correct 104 ms 8860 KB Output is correct
6 Correct 327 ms 8864 KB Output is correct
7 Correct 108 ms 8864 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 454 ms 8864 KB Output is correct
2 Correct 39 ms 8864 KB Output is correct
3 Correct 12 ms 8864 KB Output is correct
4 Correct 2 ms 8864 KB Output is correct
5 Correct 11 ms 8864 KB Output is correct
6 Correct 240 ms 8864 KB Output is correct
7 Correct 18 ms 8864 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 8864 KB Output is correct
2 Correct 119 ms 8864 KB Output is correct
3 Correct 11 ms 8864 KB Output is correct
4 Correct 12 ms 8864 KB Output is correct
5 Correct 142 ms 8864 KB Output is correct
6 Correct 30 ms 8864 KB Output is correct
7 Correct 317 ms 8864 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 489 ms 9036 KB Output is correct
2 Correct 42 ms 9036 KB Output is correct
3 Correct 13 ms 9036 KB Output is correct
4 Correct 618 ms 9044 KB Output is correct
5 Correct 165 ms 9044 KB Output is correct
6 Correct 20 ms 9044 KB Output is correct
7 Correct 37 ms 9044 KB Output is correct