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task1.js
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task1.js
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const readline = require('readline');
const _ = require('underscore');
const R = require('ramda');
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
});
const strToArray = function(str) {
return _.compact(_.map( str.split(' '), (val) => {
return parseInt(val)
}))
}
const parallelFunction = (coord1, coord2) => {
return coord1 * coord2
}
const doIt = (vec1, vec2) => {
if (vec1.length == vec2.length && vec1.length > 0 ){
Promise.all(_.map(_.range(0, vec1.length), (val) => {
return new Promise((resolve, reject) => {
setTimeout( ()=> {
console.log('im here promise #', val)
resolve(parallelFunction( vec1[val], vec2[val]))
}
, 0) // Можно поэксперементировать с таймаутом, чтобы увидеть что функции выполняются параллельно
}
)
}))
.then((res) => {
console.log('answer:', res)
rl.close()
})
}
else {
return "bad input"
}
}
console.log("\n+++++++ TASK #1 +++++++\n")
const q1 = rl.question('Enter first vector (e.g. "3 4 5"): ', (answer1) => {
const q2 = rl.question('Enter second vector: ', (answer2) => {
doIt(strToArray(answer1), strToArray(answer2))
})
});