22 lines
357 B
Go
22 lines
357 B
Go
package main
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func checkSubarraySum(nums []int, k int) bool {
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first_index_of := make(map[int]int)
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first_index_of[0] = -1
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remainder := 0
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for i, x := range nums {
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remainder = (remainder + x) % k
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j, seen := first_index_of[remainder]
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if seen {
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if i-j > 1 {
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return true
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}
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} else {
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first_index_of[remainder] = i
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}
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}
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return false
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}
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