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Submission #261460

# Submission time Handle Problem Language Result Execution time Memory
261460 2020-08-11T18:18:27 Z zecookiez Triumphal arch (POI13_luk) C++14
0 / 100
 337 ms 22644 KB 
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 300005;
vector<int> adj[MAXN];
int depth[MAXN], tot[MAXN];
int main(){
    cin.sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n; cin >> n;
    for(int a, b, i = 1; i < n; ++i){
        cin >> a >> b; adj[a].push_back(b); adj[b].push_back(a);
    }
    queue<int> q; q.push(1); depth[1] = 1; tot[1] = 1;
    while(!q.empty()){
        int no = q.front(); q.pop();
        for(auto i : adj[no]){
            if(depth[i] != 0) continue;
            depth[i] = depth[no] + 1;
            tot[depth[i]]++;
            q.push(i);
        }
    }
    int ans = 0, tasks = 0;
    for(int i = 2; i <= n; ++i){
        int must = tot[i];
        tasks += must;
        while((i - 1) * ans < tasks) ++ans;
    }
    cout << ans << '\n';
    return 0;
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7552 KB Output is correct
2 Correct 5 ms 7424 KB Output is correct
3 Incorrect 6 ms 7424 KB Output isn't correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 7424 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 7424 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 7424 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 10 ms 7808 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 23 ms 8832 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 88 ms 12280 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 186 ms 17496 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 337 ms 22644 KB Output isn't correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 295 ms 22520 KB Output isn't correct
2 Halted 0 ms 0 KB -