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pattern-problem-9.js
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59 lines (56 loc) · 1013 Bytes
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// Diamond Star Pattern
// Input Format: N = 3
// Result:
// *
// ***
// *****
// *****
// ***
// *
// Input Format: N = 6
// Result:
// *
// ***
// *****
// *******
// *********
// ***********
// ***********
// *********
// *******
// *****
// ***
// *
const pattern9 = (n) => {
for (let i = 0; i < n; i++) {
let line = '';
for (let j = 0; j < n - i; j++) {
line += ' ';
}
for (let j = 0; j < 2 * i + 1; j++) {
line += '*';
}
for (let j = 0; j < n - i; j++) {
line += ' ';
}
console.log(line);
}
for (let i = 0; i < n; i++) {
let line = '';
for (let j = 0; j < i + 1; j++) {
line += ' ';
}
for (let j = 0; j < 2 * n - (2 * i + 1); j++) {
line += '*';
}
for (let j = 0; j < i + 1; j++) {
line += ' ';
}
console.log(line);
}
};
pattern9(3);
console.log('\n=============================\n');
pattern9(6);
console.log('\n=============================\n');
pattern9(5);