519B codeforces - A and B and compilation Errors

519B Codeforces

A and B and compilation Errors

Solution in c++

#include <vector>

#include <algorithm>

#include <cstdio>

using namespace std;

int main()

{

    long e,t;

    scanf("%ld",&e);

    vector<long> initial(e),first(e-1),second(e-2),out(1);

    for(long i=0;i<initial.size();i++)scanf("%ld", &initial[i]);

    for(long i=0;i<first.size();i++)scanf("%ld",&first[i]);

    for(long i=0;i<second.size();i++)scanf("%ld",&second[i]);

    sort(initial.begin(), initial.end());

    sort(first.begin(), first.end());

    sort(second.begin(), second.end());

    std::set_difference(initial.begin(), initial.end(), first.begin(), first.end(), out.begin());

    std::set_difference(first.begin(), first.end(), second.begin(), second.end(), &out[1]);

    printf("%ld \n%ld\n", out[0], out[1]);

    return 0;

}

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About Mohamed Sobhi

My name is Mo.Sobhy ,I study at School excelling high school in Ain Shams ,Cairo
My hobbies is programming ,and web development ,playing chess and writing horror stories.