759 wrong answer

Author: aQua

Algorithms/0759.set-intersection-size-at-least-two/set-intersection-size-at-least-two.go

@@ -18,8 +18,8 @@ func intersectionSizeTwo(intervals [][]int) int {
 	interSect := intervals[0]
 	for i := 1; i < n; i++ {
 		if interSect[1] <= intervals[i][0] {
+			hasNum[interSect[0]] = true
 			hasNum[interSect[1]] = true
-			hasNum[interSect[1]-1] = true
 			interSect = intervals[i]
 			continue
 		}
@@ -30,7 +30,7 @@ func intersectionSizeTwo(intervals [][]int) int {
 		}
 	}
 	hasNum[interSect[0]] = true
-	hasNum[interSect[0]+1] = true
+	hasNum[interSect[1]] = true
 
 	return len(hasNum)
 }

Algorithms/0759.set-intersection-size-at-least-two/set-intersection-size-at-least-two_test.go

@@ -13,6 +13,11 @@ var tcs = []struct {
 	ans       int
 }{
 
+	{
+		[][]int{{1, 3}, {4, 9}, {0, 10}, {6, 7}, {1, 2}, {0, 6}, {7, 9}, {0, 1}, {2, 5}, {6, 8}},
+		7,
+	},
+
 	{
 		[][]int{{4, 14}, {6, 17}, {7, 14}, {14, 21}, {4, 7}},
 		4,