oj.uz

Submission #987293

# Submission time Handle Problem Language Result Execution time Memory
987293 2024-05-22T14:04:42 Z batsukh2006 Stranded Far From Home (BOI22_island) C++17
10 / 100
 171 ms 5204 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];
            dp[i]=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[p[i]]+=dp[i]-s[i];
            if(dp[i]>=dp[p[i]]) dp[i]+=dp[p[i]];
            else dp[p[i]]+=dp[i]-s[i];
        }
        for(int i=1; i<=n; 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 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 137 ms 348 KB Output is correct
5 Correct 134 ms 580 KB Output is correct
6 Correct 169 ms 348 KB Output is correct
7 Correct 133 ms 344 KB Output is correct
8 Correct 94 ms 344 KB Output is correct
9 Correct 171 ms 616 KB Output is correct
10 Correct 49 ms 348 KB Output is correct
11 Correct 46 ms 348 KB Output is correct
12 Correct 47 ms 604 KB Output is correct
13 Correct 91 ms 344 KB Output is correct
14 Correct 86 ms 580 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 0 ms 348 KB Output is correct
3 Incorrect 49 ms 5204 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 49 ms 5116 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 344 KB Output is correct
2 Incorrect 51 ms 5136 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 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 137 ms 348 KB Output is correct
5 Correct 134 ms 580 KB Output is correct
6 Correct 169 ms 348 KB Output is correct
7 Correct 133 ms 344 KB Output is correct
8 Correct 94 ms 344 KB Output is correct
9 Correct 171 ms 616 KB Output is correct
10 Correct 49 ms 348 KB Output is correct
11 Correct 46 ms 348 KB Output is correct
12 Correct 47 ms 604 KB Output is correct
13 Correct 91 ms 344 KB Output is correct
14 Correct 86 ms 580 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Incorrect 49 ms 5204 KB Output isn't correct
18 Halted 0 ms 0 KB -