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Submission #1024577

# Submission time Handle Problem Language Result Execution time Memory
1024577 2024-07-16T08:14:30 Z overwatch9 Stranded Far From Home (BOI22_island) C++17
0 / 100
 2 ms 604 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int maxn = 2001;
ll S[maxn];
vector <int> adj[maxn];
bool vis[maxn];
int x = 0, sz = 0;
void dfs(int s) {
    if (vis[s])
        return;
    vis[s] = true;
    x++;
    set <int> to_vis;
    for (auto i : adj[s]) {
        if (!vis[i])
            to_vis.insert(i);
    }
    while (!to_vis.empty()) {
        set <int> to_rem;
        for (auto i : to_vis) {
            if (S[i] <= sz) {
                sz += S[i];
                dfs(i);
                to_rem.insert(i);
            }
        }
        if (to_rem.empty())
            break;
        for (auto i : to_rem)
            to_vis.erase(i);
    }
}
int main() {
    int n, m;
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        cin >> S[i];
    for (int i = 0; i < m; i++) {
        int a, b;
        cin >> a >> b;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }
    for (int i = 1; i <= n; i++) {
        sz = S[i];
        dfs(i);
        if (x == n)
            cout << 1;
        else
            cout << 0;
        fill(vis, vis + n + 1, false);
        sz = x = 0;
    }
}

Subtask #1
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 0 ms 348 KB Output is correct
4 Incorrect 2 ms 348 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Runtime error 1 ms 604 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 344 KB Output is correct
2 Runtime error 1 ms 604 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 348 KB Output is correct
2 Runtime error 1 ms 604 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 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Incorrect 2 ms 348 KB Output isn't correct
5 Halted 0 ms 0 KB -