diegodpsilva2 asked 1 year ago

include

using namespace std;

int main() {

int n;
while (cin >> n)
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    int matriz[n][n];
    for (int i = 0;i < n;i++)
    {
        for (int j = 0; j < n;j++)
        {
            cin >> matriz[i][j];
        }
    }
    int l,c,vet[1001];
    for (int i =0; i <= 1000;i++)
    {
        vet[i]=0;
    }
    for (int i = 0; i < n * 2;i++)
    {
        cin >> l >> c;
        vet[matriz[l-1][c-1]]++;
    }
    int cont=0;
    for (int i =0; i < 1000;i++)
    {
        if (vet[i]!=0)
        {
            cont++;
        }
    }
    cout << cont << endl;
}

}

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  0

  feodorv replied 1 year ago

  Think it better: if your array vr contains 10 identical values your code will perform borboletas-- (9+8+7+...+1 = 45) times.