#include <bits/stdc++.h>
using namespace std;

ostream& operator<<(ostream& os, const pair<int,int>& p)
{
    return os << "(" << p.first << "," << p.second << ")";
}

void printVPair(vector<pair<int,int>>& v) { for (auto i: v) { cout << i << " "; } cout << endl; }

template <typename Container> void printC(Container& c)
{ for (auto i: c) { cout << i << " "; } cout << endl; };

class Solution
{
public:
    vector<int> solution(vector<int>& A)
    {
        vector<int> result;
        for (auto i: A)
            result.push_back(i + 3);
        return result;
    }
};

int main(void)
{
    vector<tuple<vector<int>,vector<int>>> testCases = {
        { {1,2,3}, {4,5,6} }, // passes
        { {10,11}, {13,15} }, // fails
    };

    for (auto tc: testCases)
    {
        Solution s;
        vector<int>& input = get<0>(tc);
        vector<int>& expected = get<1>(tc);
        vector<int> result = s.solution(input);
        
        int width = 10;
        cout << setw(width) << "input: "; printC(input);
        cout << setw(width) << "result: "; printC(result);
        cout << setw(width) << "expected: "; printC(expected);
        cout << (result == expected ? "\033[32mpassed\033[0m" : "\033[31mfailed\033[0m") << endl;        
        cout << "----------------------------\n";
    }
}