массивы

#include <iostream>
using namespace std;

int main() {
    float c[20];
    float a, b;
    float last;
    cin >> a >> b;
    cin >> last;
    for (int i = 0; i <= last; i++){
        cin >> c[i];
        if(c[i] >= a || c[i] <= b){
            c[i]=0;
        }
        cout << "c[" << i << "]=" << c[i] << endl;
    }
    int mas[10][10];
    for (int i = 0 ; i<= last/2 ;i++){
        for (int j = 0 ; j <= last/2 ; j++){
            cin >> mas[i][j];
            if(mas[i][j] >=a || mas[i][j] <= b){
                mas[i][j] = 0;
            }
            cout << "mas[" << i << "][" << j << "]=" << mas[i][j] << endl;
        }

    }
    return 0;
}