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Submission #755677

# Submission time Handle Problem Language Result Execution time Memory
755677 2023-06-10T14:23:29 Z VadimK Stranded Far From Home (BOI22_island) C++17
0 / 100
 1000 ms 14692 KB 
#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main()
{
    int n,m;
    cin>>n>>m;
    string ans="";
    ll s[n+1];
    vector <ll> g[n+1];
    for (int i=1; i<=n; i++)
        cin>>s[i];
    for (int i=1; i<=m; i++)
    {
        int a,b;
        cin>>a>>b;
        g[a].push_back(b);
        g[b].push_back(a);
    }
    priority_queue <pair<ll,ll> > q;
    for (int i=1; i<=n; i++)
    {
        ll total=s[i];
        ll v,num;
        bool vis[n+1]= {0},can=1;
        vis[i]=1;
        q.push(make_pair(0,i));
        while (!q.empty())
        {
            tie (num,v)=q.top();
            q.pop();
            num*=-1;
            if (total<num) break;
            total+=num;
            for (int j=0; j<g[v].size(); j++)
                if (!vis[g[v][j]]) {q.push(make_pair(-1*s[g[v][j]],g[v][j])); vis[g[v][j]]=1;}
        }
        for (int x=1; x<=n; x++)
            if (!vis[x])
            {
                ans+='0';
                can=0;
                break;
            }
        if (can==1) ans+='1';
    }
    cout<<ans;
}

Compilation message

island.cpp: In function 'int main()':
island.cpp:37:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |             for (int j=0; j<g[v].size(); j++)
      |                           ~^~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 165 ms 412 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Execution timed out 1081 ms 14692 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 1079 ms 12892 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Execution timed out 1076 ms 14292 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Incorrect 165 ms 412 KB Output isn't correct
5 Halted 0 ms 0 KB -