c++  very easy to understand sum of two interger
\'\'\'class Solution {\npublic:\n    int getSum(int a, int b) {\n    while(b>0)\n    {\n        a++;\n        b--;\n    }\n      while(b<0)\n      {\n          
\'\'\'class Solution {\npublic:\n    int getSum(int a, int b) {\n    while(b>0)\n    {\n        a++;\n        b--;\n    }\n      while(b<0)\n      {\n            a--;\n            b++;\n        }\n        return a;\'\'\'\n    }\n};\'\'\'
['C']