739

2 files changed, 45 insertions, 0 deletions

diff --git a/739/go.mod b/739/go.mod
new file mode 100644
index 0000000..4f9d173
--- /dev/null
+++ b/739/go.mod
@@ -0,0 +1,3 @@
+module 739
+
+go 1.19
diff --git a/739/main.go b/739/main.go
new file mode 100644
index 0000000..2870e41
--- /dev/null
+++ b/739/main.go
@@ -0,0 +1,42 @@
+package main
+
+import "fmt"
+
+func dailyTemperaturesDummy(temperatures []int) []int {
+	l := len(temperatures)
+	res := make([]int, l)
+	for i := 0; i < l; i++ {
+		for j := i + 1; j < l; j++ {
+			if temperatures[j] > temperatures[i] {
+				res[i] = j - i
+				break
+			}
+		}
+	}
+
+	return res
+}
+
+func dailyTemperatures(temperatures []int) []int {
+	l := len(temperatures)
+	ret := make([]int, l)
+	stack := make([]int, 0)
+
+	for i := 0; i < l; i++ {
+		for len(stack) > 0 && temperatures[stack[len(stack)-1]] < temperatures[i] {
+			ret[stack[len(stack)-1]] = (i - stack[len(stack)-1])
+			stack = stack[:len(stack)-1]
+		}
+
+		stack = append(stack, i)
+	}
+
+	return ret
+}
+
+func main() {
+	fmt.Println(dailyTemperatures([]int{73, 74, 75, 71, 69, 72, 76, 73}))
+	fmt.Println(dailyTemperatures([]int{30, 40, 50, 60}))
+	fmt.Println(dailyTemperatures([]int{30, 60, 90}))
+	fmt.Println(dailyTemperatures([]int{90, 60, 90}))
+}