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Submission #783044

# Submission time Handle Problem Language Result Execution time Memory
783044 2023-07-14T14:29:50 Z Ahmed57 Burza (COCI16_burza) C++17
0 / 160
 101 ms 1360 KB 
#include<bits/stdc++.h>

using namespace std;
vector<int> eu;int en[401],lol[401];
vector<int> adj[401];
void dfs(int i,int pr,int dep){
    eu.push_back(i);
    lol[i] = dep;
    for(auto j:adj[i]){
        if(j==pr)continue;
        dfs(j,i,dep+1);
    }
    en[i] = eu.size();
}
bool dp[401][(1<<20)];int n,k;
int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    cin>>n>>k;
    if(n<=k*k){
        cout<<"DA\n";
        return 0;
    }
    for(int i = 0;i<n-1;i++){
        int a,b;cin>>a>>b;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }
    dfs(1,0,-1);
    for(int i = n;i>=1;i--){
        for(int mask = 0;mask<(1<<k);mask++){
            if(i==n){
                dp[i&1][mask] = 0;
                continue;
            }
            if(!(mask&(1<<lol[eu[i]]))){
                dp[i&1][mask]|=dp[en[eu[i]]][mask|(1<<lol[eu[i]])];
            }
            if(lol[eu[i]]+1<k){
                dp[i&1][mask]|=dp[i+1][mask];
            }
        }
    }
    cout<<(dp[1][0]?"DA":"NE")<<endl;
    return 0;
}

Subtask #1
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 980 KB Output is correct
2 Correct 91 ms 1356 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 356 KB Output is correct
5 Incorrect 2 ms 1104 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 1292 KB Output is correct
2 Correct 86 ms 1320 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 93 ms 1280 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 96 ms 1332 KB Output is correct
2 Correct 83 ms 1352 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Incorrect 1 ms 980 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1108 KB Output is correct
2 Correct 86 ms 1360 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Incorrect 1 ms 852 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 81 ms 1244 KB Output is correct
2 Correct 86 ms 1356 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 1 ms 1108 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #6
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 1356 KB Output is correct
2 Correct 86 ms 1356 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Incorrect 1 ms 980 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #7
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 1284 KB Output is correct
2 Correct 82 ms 1284 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Incorrect 83 ms 1240 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #8
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 1072 KB Output is correct
2 Correct 84 ms 1352 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Incorrect 1 ms 724 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #9
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 14 ms 944 KB Output is correct
2 Correct 101 ms 1344 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Incorrect 1 ms 724 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #10
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 1092 KB Output is correct
2 Correct 85 ms 1360 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Incorrect 37 ms 1028 KB Output isn't correct
6 Halted 0 ms 0 KB -