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Submission #60785

# Submission time Handle Problem Language Result Execution time Memory
60785 2018-07-24T16:53:19 Z theknife2001 Race (IOI11_race) C++17
9 / 100
 199 ms 52632 KB 
#include "race.h"
#include <bits/stdc++.h>

using namespace std;
const int M=2e5+55;
vector < pair < int , int > > vec[M];
int k[M][105];

void dfs(int u , int p , int K)
{
    int v,c;
    int temp;
    for(auto x:vec[u])
    {
        v=x.first;
        c=x.second;
        if(v==p)
            continue ;
        dfs(v,u,K);
        for(int i=0;i<=K-c;i++)
        {
            temp=k[v][i];
            k[u][i+c]=min(k[u][i+c],temp+1);
        }
    }
}

int best_path(int n, int K, int H[][2], int L[])
{
    for(int i=0;i<n;i++)
    {
        for(int j=1;j<=K;j++)
            k[i][j]=1e9+55;
    }
    for(int i=0;i<n-1;i++)
    {
        vec[H[i][0]].push_back({H[i][1],L[i]});
        vec[H[i][1]].push_back({H[i][0],L[i]});
    }
    dfs(0,-1,K);
    int b=1e9+55;
    for(int i=0;i<n;i++)
        b=min(b,k[i][K]);
    return (b==1e9+55?-1:b);
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5076 KB Output is correct
2 Correct 7 ms 5228 KB Output is correct
3 Correct 6 ms 5228 KB Output is correct
4 Correct 7 ms 5308 KB Output is correct
5 Correct 7 ms 5316 KB Output is correct
6 Correct 7 ms 5316 KB Output is correct
7 Correct 8 ms 5316 KB Output is correct
8 Correct 6 ms 5316 KB Output is correct
9 Correct 8 ms 5328 KB Output is correct
10 Correct 9 ms 5376 KB Output is correct
11 Correct 7 ms 5380 KB Output is correct
12 Correct 7 ms 5384 KB Output is correct
13 Correct 8 ms 5392 KB Output is correct
14 Correct 8 ms 5392 KB Output is correct
15 Correct 10 ms 5400 KB Output is correct
16 Correct 8 ms 5404 KB Output is correct
17 Correct 7 ms 5408 KB Output is correct
18 Correct 8 ms 5412 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5076 KB Output is correct
2 Correct 7 ms 5228 KB Output is correct
3 Correct 6 ms 5228 KB Output is correct
4 Correct 7 ms 5308 KB Output is correct
5 Correct 7 ms 5316 KB Output is correct
6 Correct 7 ms 5316 KB Output is correct
7 Correct 8 ms 5316 KB Output is correct
8 Correct 6 ms 5316 KB Output is correct
9 Correct 8 ms 5328 KB Output is correct
10 Correct 9 ms 5376 KB Output is correct
11 Correct 7 ms 5380 KB Output is correct
12 Correct 7 ms 5384 KB Output is correct
13 Correct 8 ms 5392 KB Output is correct
14 Correct 8 ms 5392 KB Output is correct
15 Correct 10 ms 5400 KB Output is correct
16 Correct 8 ms 5404 KB Output is correct
17 Correct 7 ms 5408 KB Output is correct
18 Correct 8 ms 5412 KB Output is correct
19 Incorrect 7 ms 5412 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5076 KB Output is correct
2 Correct 7 ms 5228 KB Output is correct
3 Correct 6 ms 5228 KB Output is correct
4 Correct 7 ms 5308 KB Output is correct
5 Correct 7 ms 5316 KB Output is correct
6 Correct 7 ms 5316 KB Output is correct
7 Correct 8 ms 5316 KB Output is correct
8 Correct 6 ms 5316 KB Output is correct
9 Correct 8 ms 5328 KB Output is correct
10 Correct 9 ms 5376 KB Output is correct
11 Correct 7 ms 5380 KB Output is correct
12 Correct 7 ms 5384 KB Output is correct
13 Correct 8 ms 5392 KB Output is correct
14 Correct 8 ms 5392 KB Output is correct
15 Correct 10 ms 5400 KB Output is correct
16 Correct 8 ms 5404 KB Output is correct
17 Correct 7 ms 5408 KB Output is correct
18 Correct 8 ms 5412 KB Output is correct
19 Incorrect 199 ms 52632 KB Output isn't correct
20 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5076 KB Output is correct
2 Correct 7 ms 5228 KB Output is correct
3 Correct 6 ms 5228 KB Output is correct
4 Correct 7 ms 5308 KB Output is correct
5 Correct 7 ms 5316 KB Output is correct
6 Correct 7 ms 5316 KB Output is correct
7 Correct 8 ms 5316 KB Output is correct
8 Correct 6 ms 5316 KB Output is correct
9 Correct 8 ms 5328 KB Output is correct
10 Correct 9 ms 5376 KB Output is correct
11 Correct 7 ms 5380 KB Output is correct
12 Correct 7 ms 5384 KB Output is correct
13 Correct 8 ms 5392 KB Output is correct
14 Correct 8 ms 5392 KB Output is correct
15 Correct 10 ms 5400 KB Output is correct
16 Correct 8 ms 5404 KB Output is correct
17 Correct 7 ms 5408 KB Output is correct
18 Correct 8 ms 5412 KB Output is correct
19 Incorrect 7 ms 5412 KB Output isn't correct
20 Halted 0 ms 0 KB -