oj.uz

Submission #987287

# Submission time Handle Problem Language Result Execution time Memory
987287 2024-05-22T13:54:08 Z batsukh2006 Stranded Far From Home (BOI22_island) C++17
10 / 100
 174 ms 9616 KB 
#include<iostream>
#include<stdio.h>
#include<math.h>
#include<map>
#include<string>
#include<algorithm>
#include<vector>
#include<string.h>
#include<utility>
#include<set>
#include<cmath>
#include<queue>
#include<deque>
#include<functional>
#include<stack>
#include<limits.h>
#include<iomanip>
#include<unordered_map> 
#include<numeric>
#include<tuple>
#include<bitset>
using namespace std;
 
#define MOD 1000000007
#define int long long
#define ss second
#define ff first
#define endl '\n'
typedef pair<int,int> pp;
void solve(){
	int n,m; cin>>n>>m;
    if(n<=2000&&m<=2000){
        vector<int> v[n+1],s(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;
            v[a].push_back(b);
            v[b].push_back(a);
        }
        int need=0;
        vector<int> dp(n+1);
        for(int i=1; i<=n; i++){
            priority_queue<pp,vector<pp>,greater<pp> > q;
            vector<bool> vis(n+1);
            q.push({s[i],i});
            need+=s[i];
            vis[i]=1;
            while(!q.empty()){
                int w=q.top().ff;
                int a=q.top().ss;
                if(w>dp[i]&&a!=i) break;
                dp[i]+=w;
                q.pop();
                for(auto node: v[a]){
                    if(!vis[node]){
                        vis[node]=1;
                        q.push({s[node],node});
                    }
                }
            }
        }
        for(int i=1; i<=n; i++){
            if(dp[i]==need) cout<<1;
            else cout<<0;
        }
    }else{
        vector<int> dp(n+1),s(n+1),p(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;
            if(a>b) swap(a,b);
            dp[a]+=s[b];
            p[b]=a;
        }
        for(int i=1; i<=n; i++){
            if(dp[i]>=dp[p[i]]) dp[i]+=dp[p[i]];
            if(dp[i]>=dp[1]) cout<<1;
            else cout<<0;
        }
    }
}
signed main(){
    // freopen("file.in", "r", stdin);
    // freopen("file.out", "w", stdout);
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int t=1;
    // cin>>t;
    while(t--){
        solve();
        cout<<endl;
    }
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 137 ms 616 KB Output is correct
5 Correct 130 ms 600 KB Output is correct
6 Correct 168 ms 600 KB Output is correct
7 Correct 134 ms 604 KB Output is correct
8 Correct 101 ms 604 KB Output is correct
9 Correct 174 ms 604 KB Output is correct
10 Correct 49 ms 604 KB Output is correct
11 Correct 47 ms 600 KB Output is correct
12 Correct 48 ms 628 KB Output is correct
13 Correct 96 ms 600 KB Output is correct
14 Correct 75 ms 604 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Incorrect 52 ms 9616 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 51 ms 9556 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Incorrect 56 ms 9556 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 137 ms 616 KB Output is correct
5 Correct 130 ms 600 KB Output is correct
6 Correct 168 ms 600 KB Output is correct
7 Correct 134 ms 604 KB Output is correct
8 Correct 101 ms 604 KB Output is correct
9 Correct 174 ms 604 KB Output is correct
10 Correct 49 ms 604 KB Output is correct
11 Correct 47 ms 600 KB Output is correct
12 Correct 48 ms 628 KB Output is correct
13 Correct 96 ms 600 KB Output is correct
14 Correct 75 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Incorrect 52 ms 9616 KB Output isn't correct
18 Halted 0 ms 0 KB -