'commit'

TangDou/LuoGuBook/P1420_1.cpp

@@ -0,0 +1,29 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+int Max;
+int x, y, len = 1;
+
+int main() {
+    int n;
+    /*
+    10
+    1 5 6 2 3 4 5 6 8 9
+    */
+    cin >> n; // 10
+
+    cin >> x; // 1
+
+    for (int i = 2; i <= n; i++) {
+        cin >> y;
+        if (y == x + 1)
+            len++, Max = max(Max, len);
+        else
+            len = 1;
+
+        //这句话需要重点理解
+        x = y;
+    }
+    cout << Max << endl;
+    return 0;
+}