Created
December 2, 2025 06:37
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| const input = [ | |
| { start: "11", end: "22" }, | |
| { start: "95", end: "115" }, | |
| { start: "998", end: "1012" }, | |
| { start: "1188511880", end: "1188511890" }, | |
| { start: "222220", end: "222224" }, | |
| { start: "1698522", end: "1698528" }, | |
| { start: "446443", end: "446449" }, | |
| { start: "38593856", end: "38593862" }, | |
| { start: "565653", end: "565659" }, | |
| { start: "824824821", end: "824824827" }, | |
| { start: "2121212118", end: "2121212124" }, | |
| ]; | |
| const isInvalid = (value) => { | |
| for (let len = 1; len <= value.length / 2; len++) { | |
| if (value.length % len === 0) { | |
| const pattern = value.slice(0, len); | |
| if (pattern.repeat(value.length / len) === value) { | |
| return true; | |
| } | |
| } | |
| } | |
| return false; | |
| }; | |
| const result = input | |
| .map(({ start, end }) => { | |
| let count = 0; | |
| for (let i = start; i <= end; i++) { | |
| if (isInvalid(i.toString())) { | |
| count += i; | |
| } | |
| } | |
| return count; | |
| }) | |
| .reduce((a, b) => Number(a) + Number(b), 0); | |
| console.log(result); |
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