u

2026-06-13 03:04:54 +10:00
parent 5022093fad
commit ec07a9322b
23 changed files with 208 additions and 0 deletions
@@ -0,0 +1,44 @@
+package top100liked
+
+import (
+	"fmt"
+	"testing"
+)
+
+func searchMatrix(matrix [][]int, target int) bool {
+	for i := range len(matrix) {
+		for j := range len(matrix[0]) {
+			if matrix[i][j] == target {
+				return true
+			}
+			if j == 0 && matrix[i][j] > target {
+				return false
+			}
+			if matrix[i][j] > target {
+				break
+			}
+		}
+	}
+	return false
+}
+
+// func searchMatrix(matrix [][]int, target int) bool {
+// 	m, n := len(matrix), len(matrix[0])
+// 	x, y := 0, n-1
+// 	for x < m && y >= 0 {
+// 		if matrix[x][y] == target {
+// 			return true
+// 		}
+// 		if matrix[x][y] > target {
+// 			y--
+// 		} else {
+// 			x++
+// 		}
+// 	}
+// 	return false
+// }
+
+func TestS21(t *testing.T) {
+	fmt.Println(searchMatrix([][]int{{1, 4, 7, 11, 15}, {2, 5, 8, 12, 19}, {3, 6, 9, 16, 22}, {10, 13, 14, 17, 24}, {18, 21, 23, 26, 30}}, 5))
+	fmt.Println(searchMatrix([][]int{{1, 4, 7, 11, 15}, {2, 5, 8, 12, 19}, {3, 6, 9, 16, 22}, {10, 13, 14, 17, 24}, {18, 21, 23, 26, 30}}, 20))
+}