'commit'

TangDou/LuoGuBook/P1706.cpp

@@ -0,0 +1,19 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+int a[10];
+
+int main() {
+    int n;
+    cin >> n;
+    //放入数组
+    for (int i = 1; i <= n; i++) a[i] = i;
+
+    do {
+        //输出打印
+        for (int i = 1; i <= n; i++) printf("%5d", a[i]);
+        printf("\n");
+    } while (next_permutation(a + 1, a + n + 1));//注意前闭后开
+
+    return 0;
+}