更新了许多

世界末日.cpp

@@ -0,0 +1,26 @@
+#include <algorithm>
+#include <iostream>
+#include <iomanip>
+#include <cstring>
+#include <cstdio>
+#include <stack>
+#include <ctime>
+#include <cmath>
+#include <queue>
+typedef long long l;
+typedef double d;
+typedef char c;
+using namespace std;
+void wjh(int x,int n){
+	if(n<x-1){
+		return;
+	}
+	cout <<n<<" ";
+	wjh(x,n-1);
+}
+int main(){
+	int a;
+	cin >>a;
+	wjh(1,a);
+	return 0;
+}