'commit'

TangDou/LuoGuBook/P1116.cpp

@@ -0,0 +1,20 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+const int N = 10010;
+int a[N];
+int n, cnt;
+
+int main() {
+    cin >> n;
+    for (int i = 1; i <= n; i++) cin >> a[i];
+
+    for (int i = 1; i < n; i++)
+        for (int j = i + 1; j <= n; j++)
+            if (a[i] > a[j]) {
+                cnt++;
+                swap(a[i], a[j]);
+            }
+    cout << cnt << endl;
+    return 0;
+}