#629. 0818剑与魔法(dragons)

https://sjzezoj.com/submission/18931

S2OJ/629/629.cpp

@@ -0,0 +1,28 @@
+#pragma GCC optimize(2)
+
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int n, x, ans;
+char op;
+priority_queue<int, vector<int>, greater<int>> q;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin >> n;
+    for (int i = 1; i <= n; i++) {
+        cin >> op >> x;
+        if (op == 'c') {
+            q.push(x);
+        } else {
+            while (q.size() >= x && i != n) q.pop();
+        }
+    }
+    while (!q.empty()) {
+        ans += q.top();
+        q.pop();
+    }
+    cout << ans << endl;
+    return 0;
+}