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Submission #461162

# Submission time Handle Problem Language Result Execution time Memory
461162 2021-08-09T12:53:50 Z vanic Ice Hockey World Championship (CEOI15_bobek) C++14
70 / 100
 1000 ms 7424 KB 
#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <vector>

using namespace std;

typedef long long ll;

const int maxn=45;

ll a[maxn];
ll pref[maxn];
ll sol;

void rijesi(int x, ll sum){
	if(sum<0){
		return;
	}
	if(sum>=pref[x+1]){
		sol+=(1ll<<(x+1));
		return;
	}
	sol++;
	for(int i=x; i>-1; i--){
		rijesi(i-1, sum-a[i]);
	}
}

const int maxm=1e6+5;

ll dp[maxm];
int n;
ll m;

void rokaj(){
	dp[0]=1;
	for(int i=0; i<n; i++){
		for(int j=m; j>=a[i]; j--){
			dp[j]+=dp[j-a[i]];
		}
	}
	for(int i=0; i<=m; i++){
		sol+=dp[i];
	}
}

int main(){
	scanf("%d%lld", &n, &m);
	for(int i=0; i<n; i++){
		scanf("%lld", a+i);
	}
	sort(a, a+n);
	for(int i=0; i<n; i++){
		pref[i+1]=pref[i]+a[i];
	}
	if(m<=1e6){
		rokaj();
	}
	else{
		rijesi(n-1, m);
	}
	printf("%lld\n", sol);
	return 0;
}

Compilation message

bobek.cpp: In function 'int main()':
bobek.cpp:50:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |  scanf("%d%lld", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~~
bobek.cpp:52:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |   scanf("%lld", a+i);
      |   ~~~~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 6476 KB Output is correct
2 Correct 5 ms 3916 KB Output is correct
3 Correct 4 ms 3532 KB Output is correct
4 Correct 7 ms 5484 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 11 ms 6556 KB Output is correct
7 Correct 1 ms 204 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 320 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 296 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 460 KB Output is correct
2 Correct 18 ms 5020 KB Output is correct
3 Correct 39 ms 7424 KB Output is correct
4 Correct 16 ms 4812 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 4 ms 1612 KB Output is correct
7 Correct 1 ms 304 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 588 KB Output is correct
2 Correct 7 ms 2124 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 4 ms 3020 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 23 ms 7108 KB Output is correct
7 Correct 1 ms 332 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 4408 KB Output is correct
2 Correct 8 ms 2508 KB Output is correct
3 Correct 9 ms 2472 KB Output is correct
4 Correct 2 ms 844 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 14 ms 4092 KB Output is correct
7 Correct 2 ms 2868 KB Output is correct

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1090 ms 204 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 720 ms 284 KB Output is correct
2 Execution timed out 1084 ms 204 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1096 ms 204 KB Time limit exceeded
2 Halted 0 ms 0 KB -