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Submission #595999

# Submission time Handle Problem Language Result Execution time Memory
595999 2022-07-14T09:03:25 Z proma Parachute rings (IOI12_rings) C++17
0 / 100
 755 ms 72364 KB 
#include <bits/stdc++.h>

using namespace std;

int n, cnt = 0;
vector <int> deg;
vector <vector <int>> g;

void Init(int N_) {
    n = N_;
    deg.resize(n);
    g.resize(n);
}

void Link(int A, int B) {
    deg[A] ++;
    deg[B] ++;
    g[A].push_back(B);
    g[B].push_back(A);
    if (deg[A] == 3) cnt ++;
    if (deg[B] == 3) cnt ++;
}

int CountCritical() {
    int res = 0;
    for (int v = 0; v < n; v ++) {
        int cur = 0;
        if (deg[v] > 2) cur ++;
        for (auto i: g[v]) {
            if (deg[i] == 3) cur ++;
        }
        if (cur == cnt) res ++;
    }
    return res;
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Incorrect 1 ms 340 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 30944 KB Output is correct
2 Correct 607 ms 57932 KB Output is correct
3 Correct 710 ms 67532 KB Output is correct
4 Incorrect 755 ms 72364 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Incorrect 1 ms 340 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Incorrect 1 ms 340 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 2 ms 596 KB Output is correct
4 Incorrect 1 ms 340 KB Output isn't correct
5 Halted 0 ms 0 KB -