#1448. 【2022.7.5】向日葵代沟

https://sjzezoj.com/submission/53381

S2OJ/1448/1448.cpp

@@ -0,0 +1,31 @@
+#include <iostream>
+#include <set>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int n, m;
+std::set<int> set;
+
+int main() {
+    cin >> n >> m;
+
+    set.insert(0);
+    set.insert(n);
+
+    while (m--) {
+        int k;
+
+        cin >> k;
+
+        set.insert(k);
+
+        int prev = *--set.lower_bound(k),
+            next = *set.upper_bound(k);
+
+        cout << (k - prev) * (next - k) << endl;
+    }
+
+    return 0;
+}