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Submission #1110144

# Submission time Handle Problem Language Result Execution time Memory
1110144 2024-11-08T20:43:50 Z ozner77 Parachute rings (IOI12_rings) C++17
0 / 100
 1748 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;
map<long long,long long> sumas;
vector<vector<int>> V;
long long con1=0;
int n;
void Init(int N){
    n=N;
    vector<int> V1(N,0);
    for(int i=0;i<N;i++){
        V.push_back(V1);
    }
}
void Link(int A,int B){
    V[A][B]=1;
    V[B][A]=1;
    sumas[A]++;
    sumas[B]++;
}
int CountCritical(){
    long long res=0;
    for(int i=0;i<n;i++){
        bool com=true;
        long long con=0;
        long long solitos=0;
        for(int j=0;j<n;j++){
            if(i!=j){
                if(V[i][j]==1){
                    sumas[j]--;
                }
                if(sumas[j]>2){
                    com=false;
                    break;
                }
                if(sumas[j]==0){
                    solitos++;
                    if(V[i][j]==1){
                        sumas[j]++;
                    }
                    continue;
                }
                if(sumas[j]==1){
                    con++;
                }
                if(V[i][j]==1){
                    sumas[j]++;
                }
            }
        }
        if(solitos!=n-1){
            if(con%2!=0 || con==0){
                com=false;
            }
        }
        if(com){
            res++;
        }
    }
    return res;
}

Subtask #1
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1748 ms 69368 KB Output is correct
3 Correct 237 ms 98780 KB Output is correct
4 Incorrect 91 ms 4432 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 206 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1748 ms 69368 KB Output is correct
3 Correct 237 ms 98780 KB Output is correct
4 Incorrect 91 ms 4432 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1748 ms 69368 KB Output is correct
3 Correct 237 ms 98780 KB Output is correct
4 Incorrect 91 ms 4432 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #5
0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1748 ms 69368 KB Output is correct
3 Correct 237 ms 98780 KB Output is correct
4 Incorrect 91 ms 4432 KB Output isn't correct
5 Halted 0 ms 0 KB -