[프로그래머스] 행렬의 덧셈 C++ 풀이

https://school.programmers.co.kr/learn/courses/30/lessons/12950?language=cpp 

전체 코드

#include <string>
#include <vector>

using namespace std;

vector<vector<int>> solution(vector<vector<int>> arr1, vector<vector<int>> arr2) {
    vector<vector<int>> answer;
    for(int i=0;i<arr1.size();i++)
    {
        vector<int> v;
        for(int j=0;j<arr1[i].size();j++)
        {
            v.push_back(arr1[i][j]+arr2[i][j]);
        }
        answer.push_back(v);
    }
    return answer;
}