main.cpp

#include <iostream>

int fl(int *i,int l);

void expect(bool b, std::string text) {
    if (!b) {
        std::cout << text << std::endl;
        exit(-1);
    }
}

int main() {

    int r = fl( (int[]) {0,1,2} ,3);
    expect(r==3,"Expected r to be 3");

    r = fl( (int[]) {1,2},2);
    expect(r==0,"Expected r to be 0");

    r = fl( (int[]) {0, -1,2},3);
    expect(r==1,"Expected r to be 1");

    r = fl( (int[]) {0, -1,1,2,3},5);
    expect(r==4,"Expected r to be 4");

    r = fl( (int[]) {0, 3,2,1,3},5);
    expect(r==4,"Expected r to be 4");

    r = fl( (int[]) {1, 2,3,4,5},5);
    expect(r==0,"Expected r to be 0");

    r = fl( (int[]) {-1, 0,1,2,3},5);
    expect(r==4,"Expected r to be 4");

    r = fl( (int[]) {4, 3,2,1,0},5);
    expect(r==5,"Expected r to be 5");

    r = fl( (int[]) {4, -1,1,2,3},5);
    expect(r==0,"Expected r to be 0");

    std::cout << "Success!";

    return 0;
}