oj.uz

Submission #714677

# Submission time Handle Problem Language Result Execution time Memory
714677 2023-03-25T07:44:28 Z Ferid20072020 Stranded Far From Home (BOI22_island) C++14
0 / 100
 49 ms 724 KB 
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx,avx2,fma")
 
#include <bits/stdc++.h>
 
using namespace std;
 
#define ll          long long 
#define ull         unsigned long long 
#define ld          long double 
#define ui          unsigned int 
#define f           first
#define s           second
#define ins         insert
#define pb          push_back
#define mp          make_pair
#define ln          '\n'
#define int         ll
#define pii         pair<int , int> 
#define INF         LLONG_MAX
#define vv(a)       vector<a>
#define pp(a, b)    pair<a, b>
#define pq(a)       priority_queue<a>
#define qq(a)       queue<a>
#define ss(a)       set<a>
#define mss(a)      multiset<a>
#define mm(a, b)    map<a, b>
#define mmm(a , b)  multimap<a , b>
#define sz(x)       (x).size()
#define all(x)      (x).begin() , (x).end()
#define fastio                    \
    ios_base::sync_with_stdio(0); \
    cin.tie(0);                   \
    cout.tie(0);
 
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
const int MAX = 2005;
int n , m;
vv(vv(pii)) g(MAX);
vv(int) tot(MAX);
vv(int) color(MAX);
int cnt = 0 , total = 0;
queue<int> did;

void init(){
    cnt = 1;
    total = 0;
    for(int i=1 ; i<MAX ; i++){
        color[i] = 0;
    }
}

void DFS(int src){
    //cout << src << ln;
    color[src] = 1;
    for(auto to : g[src]){
        if(color[to.s] == 0 && to.f <= total){
            cnt++;
            total += to.f;
            DFS(to.s);
        }
        else if(color[to.s] == 0 && to.f > total){
            did.push(to.s);
        }
    }
    while(did.size() > 0){
        if(color[did.front()] == 0 && tot[did.front()] <= total){
            DFS(did.front());
        }
        did.pop();
    }
}
 
void solve(){
    cin >> n >> m;
    for(int i=1 ; i<=n ; i++){
        cin >> tot[i];
    }
    for(int i=0 ; i<m ; i++){
        int u , v;
        cin >> u >> v;
        g[u].pb({tot[v] , v});
        g[v].pb({tot[u] , u});
    }
    for(int i=1 ; i<=n ; i++){
        sort(all(g[i]));
    }
    for(int i=1 ; i<=n ; i++){
        init();
        total = tot[i];
        DFS(i);
        if(cnt == n){
            cout << 1;
        }
        else{
            cout << 0;
        }
    }
}
 
 
signed main(){
    fastio
 
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
 
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Incorrect 49 ms 468 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Runtime error 4 ms 724 KB Execution killed with signal 11
4 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Runtime error 4 ms 724 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Runtime error 4 ms 724 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Incorrect 49 ms 468 KB Output isn't correct
5 Halted 0 ms 0 KB -