oj.uz

Submission #676494

# Submission time Handle Problem Language Result Execution time Memory
676494 2022-12-31T03:43:53 Z penguin133 Ice Hockey World Championship (CEOI15_bobek) C++17
100 / 100
 331 ms 20884 KB 
#include <bits/stdc++.h>
using namespace std;

long long n,m,A[45],cnt=1;
vector<long long> v1, v2;
void dfs(int i, long long v){
	if(i > n/2)return;
	if(v >= A[i]){
		cnt++;
		v1.push_back(m-v+A[i]);
		dfs(i+1, v-A[i]);
	}
	dfs(i+1, v);
}
void dfs2(int i, long long v){
	if(i > n)return;
	if(v >= A[i]){
		cnt++;
		v2.push_back(m-v+A[i]);
		dfs2(i+1, v-A[i]);
	}
	dfs2(i+1, v);
}
int main(){
	cin >> n >> m;
	for(int i=1;i<=n;i++)cin >> A[i];
	dfs(1, m);
	dfs2(n/2+1, m);
	sort(v2.begin(), v2.end());
	for(int i=0;i<v1.size();i++){
		int s =0, e = v2.size()- 1, ans = -1;
		while(s <= e){
			int mid = s + (e-s)/2;
			if(v2[mid] + v1[i] <= m){
				s=  mid+1;
				ans= mid;
			}
			else e = mid - 1;
		}
		cnt += ans+1;
	}
	cout << cnt;
}

Compilation message

bobek.cpp: In function 'int main()':
bobek.cpp:30:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |  for(int i=0;i<v1.size();i++){
      |              ~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 296 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 1872 KB Output is correct
2 Correct 65 ms 5444 KB Output is correct
3 Correct 331 ms 20796 KB Output is correct
4 Correct 62 ms 5444 KB Output is correct
5 Correct 8 ms 1488 KB Output is correct
6 Correct 4 ms 852 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 2760 KB Output is correct
2 Correct 19 ms 1872 KB Output is correct
3 Correct 148 ms 10540 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 3 ms 852 KB Output is correct
6 Correct 8 ms 1484 KB Output is correct
7 Correct 1 ms 300 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 3532 KB Output is correct
2 Correct 89 ms 6608 KB Output is correct
3 Correct 96 ms 6580 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 41 ms 6600 KB Output is correct
6 Correct 124 ms 20736 KB Output is correct
7 Correct 0 ms 212 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 226 ms 12708 KB Output is correct
2 Correct 18 ms 1872 KB Output is correct
3 Correct 7 ms 852 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 4 ms 940 KB Output is correct
6 Correct 115 ms 12700 KB Output is correct
7 Correct 1 ms 212 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 1960 KB Output is correct
2 Correct 66 ms 5444 KB Output is correct
3 Correct 8 ms 940 KB Output is correct
4 Correct 6 ms 852 KB Output is correct
5 Correct 47 ms 6600 KB Output is correct
6 Correct 13 ms 2084 KB Output is correct
7 Correct 0 ms 300 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 250 ms 20788 KB Output is correct
2 Correct 21 ms 1872 KB Output is correct
3 Correct 6 ms 852 KB Output is correct
4 Correct 324 ms 20884 KB Output is correct
5 Correct 59 ms 10560 KB Output is correct
6 Correct 7 ms 1484 KB Output is correct
7 Correct 1 ms 296 KB Output is correct