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Submission #219321

# Submission time Handle Problem Language Result Execution time Memory
219321 2020-04-05T06:48:09 Z VEGAnn Birmingham (COCI20_birmingham) C++14
70 / 70
 130 ms 10368 KB 
#include <bits/stdc++.h>
#define sz(x) ((int)x.size())
#define PB push_back
using namespace std;
const int N = 100100;
const int oo = 2e9;
queue<int> q;
vector<int> g[N];
int n, m, qq, k, dst[N];

int answer(int vl){
    int sum = 0, nw = k, kol = 0;

    while (vl > sum){
        sum += nw;
        nw += k;
        kol++;
    }

    return kol;
}

int main(){
    ios_base::sync_with_stdio(0); cin.tie(0);

//    freopen("in.txt","r",stdin);

    cin >> n >> m >> qq >> k;

    fill(dst, dst + n, oo);

    for (int i = 0; i < qq; i++){
        int x; cin >> x;
        x--;

        dst[x] = 0;
        q.push(x);
    }

    for (int i = 0; i < m; i++){
        int x, y; cin >> x >> y;
        x--; y--;

        g[x].PB(y);
        g[y].PB(x);
    }

    while (sz(q)){
        int v = q.front(); q.pop();

        for (int u : g[v])
            if (dst[u] == oo){
                dst[u] = dst[v] + 1;
                q.push(u);
            }
    }

    for (int i = 0; i < n; i++)
        cout << answer(dst[i]) << " ";

    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2688 KB Output is correct
2 Correct 6 ms 2688 KB Output is correct
3 Correct 6 ms 2688 KB Output is correct
4 Correct 6 ms 2688 KB Output is correct

Subtask #8
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 103 ms 9464 KB Output is correct
2 Correct 113 ms 9976 KB Output is correct
3 Correct 130 ms 10368 KB Output is correct
4 Correct 86 ms 8952 KB Output is correct
5 Correct 97 ms 9176 KB Output is correct
6 Correct 115 ms 10232 KB Output is correct

Subtask #9
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 126 ms 9960 KB Output is correct
2 Correct 99 ms 9720 KB Output is correct
3 Correct 106 ms 9976 KB Output is correct
4 Correct 119 ms 10016 KB Output is correct
5 Correct 98 ms 9848 KB Output is correct
6 Correct 96 ms 9592 KB Output is correct

Subtask #10
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 9592 KB Output is correct
2 Correct 105 ms 9976 KB Output is correct
3 Correct 109 ms 10232 KB Output is correct
4 Correct 104 ms 9976 KB Output is correct
5 Correct 97 ms 9336 KB Output is correct
6 Correct 98 ms 9592 KB Output is correct

Subtask #11
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 9080 KB Output is correct
2 Correct 115 ms 9868 KB Output is correct
3 Correct 114 ms 9976 KB Output is correct
4 Correct 96 ms 9392 KB Output is correct
5 Correct 90 ms 9080 KB Output is correct
6 Correct 103 ms 9592 KB Output is correct

Subtask #12
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 95 ms 9208 KB Output is correct
2 Correct 94 ms 9464 KB Output is correct
3 Correct 92 ms 9464 KB Output is correct
4 Correct 96 ms 9336 KB Output is correct
5 Correct 95 ms 9468 KB Output is correct
6 Correct 89 ms 9464 KB Output is correct

Subtask #13
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 9208 KB Output is correct
2 Correct 96 ms 9464 KB Output is correct
3 Correct 99 ms 9528 KB Output is correct
4 Correct 99 ms 9720 KB Output is correct
5 Correct 94 ms 9336 KB Output is correct
6 Correct 92 ms 9592 KB Output is correct

Subtask #14
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 105 ms 9368 KB Output is correct
2 Correct 86 ms 9080 KB Output is correct
3 Correct 108 ms 10104 KB Output is correct
4 Correct 91 ms 9336 KB Output is correct
5 Correct 104 ms 9720 KB Output is correct
6 Correct 104 ms 10232 KB Output is correct