Commit b008602

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Add solution to 1768.

1 parent 7316cce commit b008602Copy full SHA for b008602

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	`1`	`+/**`
	`2`	`+ * @param {string} word1`
	`3`	`+ * @param {string} word2`
	`4`	`+ * @return {string}`
	`5`	`+ */`
	`6`	`+var mergeAlternately = function (word1, word2) {`
	`7`	`+ const L1 = word1.length;`
	`8`	`+ const L2 = word2.length;`
	`9`	`+`
	`10`	`+ if (L1 === 0 && L2 === 0) {`
	`11`	`+ return word1;`
	`12`	`+ } else {`
	`13`	`+ if (L1 === 0) {`
	`14`	`+ return word1;`
	`15`	`+ } else if (L2 === 0) {`
	`16`	`+ return word2;`
	`17`	`+ }`
	`18`	`+ }`
	`19`	`+`
	`20`	`+ let out = new Array(L1 + L2);`
	`21`	`+ let i = 0;`
	`22`	`+ let upper = Math.min(L1, L2);`
	`23`	`+`
	`24`	`+ while (i < upper) {`
	`25`	`+ out.push(word1[i]);`
	`26`	`+ out.push(word2[i]);`
	`27`	`+`
	`28`	`+ i++;`
	`29`	`+ }`
	`30`	`+`
	`31`	`+ if (L1 === L2) {`
	`32`	`+ return out.join("");`
	`33`	`+ }`
	`34`	`+`
	`35`	`+ if (i === L1) {`
	`36`	`+ out.push(word2.slice(i));`
	`37`	`+ } else {`
	`38`	`+ out.push(word1.slice(i));`
	`39`	`+ }`
	`40`	`+`
	`41`	`+ return out.join("");`
	`42`	`+};`

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