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Implemented Coding Contracts

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danielyxie
2018-09-22 19:25:48 -05:00
parent e714f1e6cd
commit f78f0ec1a7
17 changed files with 413 additions and 80 deletions
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40
src/data/codingcontracttypes.ts
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@@ -21,6 +21,28 @@ export interface ICodingContractTypeMetadata {
solver: SolverFunc;
}
/* Helper functions for Coding Contract implementations */
function removeBracketsFromArrayString(str: string) {
let strCpy: string = str;
if (strCpy.startsWith("[")) { strCpy = strCpy.slice(1); }
if (strCpy.endsWith("]")) { strCpy = strCpy.slice(-1); }
return strCpy;
}
function convert2DArrayToString(arr: any[][]) {
let res = "";
const components: string[] = [];
arr.forEach((e) => {
let s = e.toString();
s = ["[", s, "]"].join("");
components.push(s);
});
res = components.join(",");
return res.replace(/\s/g, "");
}
export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
{
desc: (n: number) => {
@@ -136,6 +158,7 @@ export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
const matrix: number[][] = [];
matrix.length = m;
for (let i: number = 0; i < m; ++i) {
matrix[i] = [];
matrix[i].length = n;
}
@@ -187,7 +210,9 @@ export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
}
if (++l > r) { break; }
}
const playerAns: any[] = ans.split(",");
const sanitizedPlayerAns: string = removeBracketsFromArrayString(ans);
const playerAns: any[] = sanitizedPlayerAns.split(",");
for (let i: number = 0; i < playerAns.length; ++i) {
playerAns[i] = parseInt(playerAns[i], 10);
}
@@ -282,22 +307,21 @@ export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
}
result.push([start, end]);
const sanitizedResult: string = result
.toString()
.replace(/\s/g, "");
const sanitizedResult: string = convert2DArrayToString(result);
const sanitizedAns: string = ans.replace(/\s/g, "");
return sanitizedResult === sanitizedAns;
return (sanitizedResult === sanitizedAns ||
sanitizedResult === removeBracketsFromArrayString(sanitizedAns));
},
},
{
desc: (data: string) => {
return ["Given the following string containing only digits, determine",
return ["Given the following string containing only digits, return",
"an array with all possible valid IP address combinations",
"that can be created from the string:\n\n",
`${data}\n\n`,
"Example:\n\n",
"'25525511135' -> ['255.255.11.135', '255.255.111.35']"].join(" ");
"25525511135 -> [255.255.11.135, 255.255.111.35]"].join(" ");
},
difficulty: 3,
gen: () => {
@@ -425,7 +449,7 @@ export const codingContractTypesMetadata: ICodingContractTypeMetadata[] = [
return ["You are given the following array of stock prices where the i-th element",
"represents the stock price on day i:\n\n",
`${data}\n\n`,
"Determine the maximum possible profit you can earn using at most ",
"Determine the maximum possible profit you can earn using at most",
"two transactions. A transaction is defined as buying",
"and then selling one share of the stock. Note that you cannot",
"engage in multiple transactions at once. In other words, you",