#include"iostream" using namespace std; int main() {     int n, m, count;     int a[2000];//看花的种类     int d[2000][2];     cin >> n >> m;//输入看花的次数，花的个数     for (int i = 0; i < n; i++)     {         cin >> a[i];//看到的花     }     cin >> count;//问题个数     for (int i = 0; i < count; i++)     {         for (int j = 0; j < 2; j++)         {             cin >> d[i][j];//区间             cout << " " << d[i][j];         }         cout << endl;     }     int iT = 0;     while (d[iT][0] != 0)     {         int p[M] = { 0 };//状态函数         for (int i = d[iT][0] - 1; i < d[iT][1]; i++)         {             p[a[i]] = 1;         }         for (int i = 1; i < m + 1; i++)             p[0] += p[i];         cout << p[0] << endl;         iT++;     } }