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Submission #604171

# Submission time Handle Problem Language Result Execution time Memory
604171 2022-07-24T19:45:22 Z DanerZein Stranded Far From Home (BOI22_island) C++17
0 / 100
 256 ms 12484 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int,int> ii;
const int MAX_N=2e5+10;
vector<vi> G;
int ha[MAX_N];
bool vis[MAX_N];
int n,m;
void bfs(int u){
  for(int i=0;i<n;i++) vis[i]=0;
  priority_queue<ii, vector<ii>, greater<ii> > q;
  vis[u]=1; 
  ll co=ha[u];
  for(auto &v:G[u]){
    q.push(ii(ha[v],v));
  }
  while(!q.empty()){
    int x=q.top().second; q.pop();
    if(co<ha[x]) continue;
    vis[x]=1;
    co+=ha[x];
    for(auto &v:G[x]){
      if(!vis[v]){
        q.push(ii(ha[v],v));
      }
    }
  }
}
int main(){
  cin>>n>>m;
  G.resize(n+1);
  for(int i=0;i<n;i++) cin>>ha[i];
  for(int i=0;i<m;i++){
    int a,b; cin>>a>>b;
    a--; b--;
    G[a].push_back(b);
    G[b].push_back(a);
  }
  string ans="";
  int r=1;
  ll co=ha[0];
  for(int i=0;i<n;i++){
    if(i==r){
      co+=ha[i]; r++;
    }
    while(r!=n && co>=ha[r]){
      co+=ha[r];
      r++;
    }
    if(r==n) ans+='1';
    else ans+='0';
  }
  
  /*for(int i=0;i<n;i++){
    bfs(i);
    bool all=1;
    for(int j=0;j<n;j++) all&=vis[j];
    if(all) ans+='1';
    else ans+='0';
    }*/
  cout<<ans<<endl;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 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 Incorrect 256 ms 12484 KB Output isn't correct
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 Incorrect 244 ms 12440 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -