Add: Nim Game

Author: openset

internal/leetcode/problems_status.go

@@ -92,6 +92,7 @@ var problemStatus = map[int]bool{
 	268:  true,
 	283:  true,
 	290:  true,
+	292:  true,
 	303:  true,
 	326:  true,
 	342:  true,

problems/nim-game/nim_game.go

@@ -1 +1,5 @@
-package nim_game
+package problem_292
+
+func canWinNim(n int) bool {
+	return n%4 != 0
+}

problems/nim-game/nim_game_test.go

@@ -1 +1,27 @@
-package nim_game
+package problem_292
+
+import "testing"
+
+type caseType struct {
+	input    int
+	expected bool
+}
+
+func TestCanWinNim(t *testing.T) {
+	tests := [...]caseType{
+		{
+			input:    4,
+			expected: false,
+		},
+		{
+			input:    3,
+			expected: true,
+		},
+	}
+	for _, tc := range tests {
+		output := canWinNim(tc.input)
+		if output != tc.expected {
+			t.Fatalf("input: %v, output: %v, expected: %v", tc.input, output, tc.expected)
+		}
+	}
+}