719. Calculate Maximum Value

int calcMaxValue(string &str) { // write your code here const int size = str.size(); if(size == 0){ return 0; } int a = str[0] - '0'; for(int i = 1; i < size; i++){ int num = str[i] - '0'; int temp = a + num; int temp1 = a * num; a = max(temp1, temp); } return a; }

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