oj.uz

Submission #974783

# Submission time Handle Problem Language Result Execution time Memory
974783 2024-05-03T19:15:45 Z p4r4d0_x Stranded Far From Home (BOI22_island) C++14
10 / 100
 1000 ms 524288 KB 
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define PUT(a, b) freopen(a, "r", stdin); freopen(b, "w", stdout);
#define all(a) a.begin(), a.end()
#define answerNO {cout << "No" << endl; return;}
#define answerYES {cout << "Yes" << endl; return;}
using namespace std;
//#define int long long
#define ff first
#define ss second
#define pb push_back
#define replr(i, a, b) for (int i = int(a); i <= int(b); ++i)
#define reprl(i, a, b) for (int i = int(a); i >= int(b); --i)
#define rep(i, n) for (int i = 0; i < int(n); ++i)
#define mkp(a, b) make_pair(a, b)
typedef long long ll;
typedef long double ld;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<PII> VPI;
typedef pair<ll, ll> PLL;
typedef vector<ll> VL;
typedef vector<PLL> VPL;
template<class T> T setmax(T& a, T b) {if (a < b) return a = b; return a;}
template<class T> T setmin(T& a, T b) {if (a < b) return a; return a = b;}
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
ll mod = 1e9+7;

vector<vector<ll>> gp;
vector<ll> a;
vector<ll> dist;
vector<ll> ans; 
vector<ll> par;
vector<ll> sbtr;
vector<ll> vis;


void sub(ll node, ll p = -1){
    par[node] = p;
    sbtr[node] = a[node];
    for(auto v : gp[node]) if(v != p){
        sub(v, node);
        sbtr[node] += sbtr[v];
    }
}


void dfs1(ll u, ll p = -1){
    if(p != -1 && ans[p] == 0)ans[u] = 0;
    for(auto v : gp[u]) if(v != p){
        dfs1(v, u);
    }
}


inline void solve(){
    ll n, m; cin >> n >> m;
    gp.resize(n);
    a.resize(n);
    vis.resize(n);
    sbtr.resize(n);
    dist.resize(n);
    par.resize(n);
    ans.resize(n, -1);
    rep(i, n){
        cin >> a[i];
    }
    rep(i, m){
        ll u, v; cin >> u >> v;
        --u, --v;
        gp[u].pb(v);
        gp[v].pb(u);
    }

    sub(0, -1);

    replr(i, 1, n - 1){
        if(a[par[i]] > sbtr[i]){
            ans[i] = 0;
        }
        else{
            ans[i] = 1;
        }
    }

    ans[0] = 1;
    dfs1(0, -1);
    for(auto x : ans){
        cout << x;
    }
}
 
 
 
   
signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL), cout.tie(NULL);
    //PUT(".in", ".out");
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 351 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
10.0 / 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 Correct 114 ms 31296 KB Output is correct
4 Correct 91 ms 30036 KB Output is correct
5 Correct 126 ms 25532 KB Output is correct
6 Correct 115 ms 26192 KB Output is correct
7 Correct 112 ms 26452 KB Output is correct
8 Correct 106 ms 26448 KB Output is correct
9 Correct 103 ms 27612 KB Output is correct
10 Correct 69 ms 26052 KB Output is correct
11 Correct 69 ms 25788 KB Output is correct
12 Correct 100 ms 24916 KB Output is correct
13 Correct 107 ms 36580 KB Output is correct
14 Correct 97 ms 36432 KB Output is correct
15 Correct 104 ms 37776 KB Output is correct
16 Correct 72 ms 36732 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Incorrect 104 ms 33304 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 348 KB Output is correct
2 Execution timed out 1102 ms 509672 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Runtime error 351 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -