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Submission #433999

# Submission time Handle Problem Language Result Execution time Memory
433999 2021-06-20T13:34:00 Z aris12345678 Parachute rings (IOI12_rings) C++14
0 / 100
 4000 ms 48984 KB 
#include <bits/stdc++.h>
using namespace std;

const int mxN = 1000005;
vector<int> adj[mxN];
int neib[mxN], n;

void Init(int size) {
    n = size;
}

void Link(int a, int b) {
    adj[a].push_back(b);
    adj[b].push_back(a);
    neib[a]++, neib[b]++;
}

int CountCritical() {
    int ans = 0;
    for(int i = 0; i < n; i++) {
        for(auto &v : adj[i])
            neib[v]--;
        bool ok = true;
        for(int j = 0; j < n; j++) {
            if(neib[j] > 2) {
                ok = false;
                break;
            }
        }
        for(auto &v : adj[i])
            neib[v]++;
        if(ok)
            ans++;
    }
    return ans;
}

/*
int main() {
    scanf("%d", &n);
    Init(n);
    int q;
    scanf("%d", &q);
    while(q--) {
        int type, a, b;
        scanf("%d", &type);
        if(type == 1) {
            scanf("%d %d", &a, &b);
            Link(a, b);
        } else
            printf("%d\n", CountCritical());
    }
    return 0;
}
*/

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23740 KB Output is correct
2 Incorrect 23 ms 23892 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Execution timed out 4051 ms 48984 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23740 KB Output is correct
2 Incorrect 23 ms 23892 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23740 KB Output is correct
2 Incorrect 23 ms 23892 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 23740 KB Output is correct
2 Incorrect 23 ms 23892 KB Output isn't correct
3 Halted 0 ms 0 KB -