Help in debugging Codechef — Carvans

Here is the link for the problem with CodeChef problem Carvans.↵
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Here's my solution. ... I am unable to find any bugs. Please help me debug it and tell me what is wrong with it. ↵
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    #include <stdio.h>↵
    #include <algorithm>↵
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    using namespace std;↵
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    void solve()↵
    {↵
        int previous_car_speed = 1e9, current_car_speed, number_of_cars, current_car_max_speed;;↵
        scanf("%d", &number_of_cars);↵
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       int no_of_cars_at_max_speed = 0;↵
        for(int i = 1; i <= number_of_cars; i++)↵
       {↵
            scanf("%d", &current_car_max_speed);↵
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            current_car_speed = min(previous_car_speed, current_car_max_speed);↵
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            no_of_cars_at_max_speed += (current_car_speed == current_car_max_speed);↵
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            previous_car_speed = current_car_speed;↵
       }↵
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       printf("%d\n", no_of_cars_at_max_speed);↵
    }↵
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     int main()↵
     {↵
        int no_of_test_cases;↵
        scanf("%d", &no_of_test_cases);↵
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        while(no_of_test_cases--)↵
            solve();↵
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        return 0;↵
    }

Rev.	By	When	Δ	Comment
en3	ghoshsai5000	2017-06-26 05:50:06	45
en2	ghoshsai5000	2017-06-25 17:27:32	4	Tiny change: ' }\n\n int main()\n {\n ' -> ' }\n\n int main()\n {\n '
en1	ghoshsai5000	2017-06-25 17:25:52	1090	Initial revision (published)

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en3