simple solution just multiply n by 2
class Solution {\npublic:\n    int smallestEvenMultiple(int n) \n    {\n        long long s=n;\n        while(true)\n        {\n            if(s%2==0&&s%s==0)\n
class Solution {\npublic:\n    int smallestEvenMultiple(int n) \n    {\n        long long s=n;\n        while(true)\n        {\n            if(s%2==0&&s%s==0)\n                return s;\n            s=s*2;\n        }\n        return false;\n    }\n};
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