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Submission #573229

# Submission time Handle Problem Language Result Execution time Memory
573229 2022-06-06T09:36:52 Z AmirElarbi Stranded Far From Home (BOI22_island) C++14
0 / 100
 26 ms 9468 KB 
#include <bits/stdc++.h>
#define vi vector<int>
#define ve vector
#define ll long long
#define vf vector<float>
#define vll vector<pair<ll,ll>>
#define ii pair<int,int>
#define vvi vector<vi>
#define vii vector<ii>
#define gii greater<ii>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define INF 1e9+7
#define eps 1e-7
#define eps1 1e-2
#define optimise ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define MAX_A 2e5+5
using namespace std;
const int MOD = 1e4+7;
const int nax = 1e5+5;
typedef complex<int> Point;
#define X real()
#define Y imag()
vii s;
vi adj[nax];
int mn = INF,res = 0, vl[nax];
int ans[nax];
bool vis[nax], cur[nax];
void dfs(int u){
    cur[u] = 1;
    res += vl[u];
    for(auto x : adj[u]){
        if(vis[x]){
            if(ans[x] == 1) mn = min(mn,vl[x]);
            continue;
        }
        if(cur[x]) continue;
        dfs(x);
    }
}
int main(){
    optimise;
    int n,m;
    cin >>n >> m;
    for (int i = 0; i < n; ++i)
    {
        int val;
        cin >> val;
        vl[i] = val;
        s.pb({val,i});
    }
    for (int i = 0; i < m; ++i)
    {
        int a,b;
        cin >> a >> b;
        a--,b--;
        adj[a].pb(b);
        adj[b].pb(a);
    }
    sort(s.begin(), s.end(), greater<ii>());
    vis[s[0].se] = 1;
    ans[s[0].se] = 1;
    for (int i = 1; i < n; ++i)
    {
        mn = INF,res = 0;
        memset(cur,0,sizeof cur);
        dfs(s[i].se);
        if(res >= mn) ans[s[i].se] = 1;
        vis[s[i].se] = 1;
    }
    for (int i = 0; i < n; ++i)
    {
        cout << ans[i];
    }
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2772 KB Output is correct
2 Correct 2 ms 2772 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Incorrect 20 ms 2896 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 2772 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Runtime error 25 ms 9420 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 1 ms 2644 KB Output is correct
2 Runtime error 25 ms 9428 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 2 ms 2644 KB Output is correct
2 Runtime error 26 ms 9468 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 1 ms 2772 KB Output is correct
2 Correct 2 ms 2772 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Incorrect 20 ms 2896 KB Output isn't correct
5 Halted 0 ms 0 KB -