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1 parentfa2edc3 commit63a956cCopy full SHA for 63a956c
Easy_415_Add_Strings.js
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+/**
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+ * Given two non-negative integers num1 and num2 represented as string, return the sum of num1 and num2.
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+ * Note:
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+ *
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+ * The length of both num1 and num2 is < 5100.
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+ * Both num1 and num2 contains only digits 0-9.
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+ * Both num1 and num2 does not contain any leading zero.
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+ * You must not use any built-in BigInteger library or convert the inputs to integer directly.
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+ */
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+
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+ *@param {string} num1
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+ *@param {string} num2
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+ *@return {string}
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+varaddStrings=function(num1,num2){
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+varcarry=0;
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+varlen1=num1.length;
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+varlen2=num2.length;
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+varforCount=Math.max(len1,len2);
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+varnewNum='';
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+for(vari=0;i<forCount;i++){
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+vara=parseInt(num1[len1-1-i])||0;
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+varb=parseInt(num2[len2-1-i])||0;
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+varc=a+b+carry;
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+carry=Math.floor(c/10);
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+vare=c%10;
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+newNum=e+newNum;
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+}
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+if(carry){
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+newNum=carry+newNum
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+returnnewNum;
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+};
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+console.log(addStrings('12','123')=='135');
