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128 lines
2.2 KiB
128 lines
2.2 KiB
// 1.question
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for (let i = 0; i < 10; i++){
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//code
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}
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let i = 0;
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while (i < 10) {
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//code
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i++;
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}
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i = 0;
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do {
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//cpde
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i++;
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} while (i < 10)
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// 2.question
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for (let i = 10; i >= 0; i--){
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//code
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}
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i = 10;
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while (i >=0) {
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//code
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i--;
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}
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i = 10;
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do {
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//cpde
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i--;
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} while (i >= 0)
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// 3.question
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let n;
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for (i = 0; i < n; i++){
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//code
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}
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// 4.question
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let str = '';
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for (i = 1; i < 8; i++){
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for (let j = 1; j <=i; j++){
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str+='#'
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}
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str += '\n';
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}
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console.log(str);
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// 5.question
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for (i = 0; i < 11; i++){
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console.log(`${i} x ${i} = ${i*i}`);
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}
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// 6.question
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for (i = 0; i < 11; i++){
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console.log(`${i} ${Math.pow(i,2)} ${Math.pow(i,3)}`);
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}
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// 7.question
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i = 0;
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while (i < 101) {
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if (i % 2 == 0) {
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console.log(i);
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}
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i++;
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}
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// 8.question
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i = 0;
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while (i < 101) {
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if (i % 2 != 0) {
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console.log(i);
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}
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i++;
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}
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// 9.question
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i = 0;
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while (i < 101) {
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let count = 0;
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for (j = i; j > 0; j--){
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if (i % j == 0) {
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count++;
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}
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}
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if (count == 2) {
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console.log(i);
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}
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i++;
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}
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// 10.question
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i = 0;
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let sum = 0;
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while (i < 101) {
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sum += i;
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i++;
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}
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console.log(`The sum of all numbers from 0 to 100 is ${sum}`);
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// 11.question
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i = 0;
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let evenSum = 0;
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while (i < 101) {
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if (i % 2 == 0) {
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evenSum += i;
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}
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i++;
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}
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let oddSum = sum-evenSum
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console.log(`The sum of all numbers from 0 to 100 is ${evenSum} . And the sum of all odds from 0 tp 100 is ${sum - evenSum}`);
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// 12.question
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let sums = [oddSum, evenSum];
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console.log(sums);
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// 13.question
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let rand = [];
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for (i = 0; i < 5; i++){
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rand.push(Math.floor(Math.random() * 10));
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}
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console.log(rand);
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// 14.question
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let uniqueRand = [];
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for (i = 0; i < 5; i++){
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let temp = Math.floor(Math.random() * 10);
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while (uniqueRand.includes(temp)) {
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temp = Math.floor(Math.random() * 10);
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}
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if (!uniqueRand.includes(temp)) {
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uniqueRand.push(temp)
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}
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}
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console.log(uniqueRand);
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// 15.question
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let code = '0123456789abcdefghijklnopqrstuvwxyz';
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let id = '';
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for (i = 0; i < 6; i++){
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temp = Math.floor(Math.random() * code.length);
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id += code[temp];
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}
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console.log(id); |