mirror of
https://github.com/lWolvesl/leetcode.git
synced 2026-06-04 02:21:15 +08:00
29 lines
374 B
Go
29 lines
374 B
Go
package main
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func numSpecial(mat [][]int) int {
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res := 0
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x := make(map[int]int)
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y := make(map[int]int)
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for i, row := range mat {
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for j, v := range row {
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if v == 0 {
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continue
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}
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x[i]++
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y[j]++
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}
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}
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for i, row := range mat {
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for j, v := range row {
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if v == 0 {
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continue
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}
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if x[i] == 1 && y[j] == 1 {
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res++
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}
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}
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}
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return res
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}
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