'commit'

TangDou/XiTi/1400.cpp

@@ -0,0 +1,46 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+struct HuoWu {
+    string name;
+    int shouyi;
+    int count;
+};
+
+int main() {
+    //输入+输出重定向
+    //freopen("../x.in", "r", stdin);
+    //freopen("../x.out", "w", stdout);
+
+    int n, k;
+    cin >> n >> k;
+    unordered_map<string, HuoWu> _map;
+    for (int i = 0; i < n; ++i) {
+        HuoWu h;
+        cin >> h.name >> h.shouyi >> h.count;
+        _map[h.name] = h;
+    }
+
+    bool success = true;
+    int shouyi = 0;
+    for (int i = 0; i < k; ++i) {
+        HuoWu h;
+        cin >> h.name >> h.count;
+        if (_map[h.name].count >= h.count) {
+            _map[h.name].count = _map[h.name].count - h.count;
+            shouyi += _map[h.name].shouyi * h.count;
+        } else {
+            success = false;
+            cout << "-" << i + 1 << endl;
+        }
+    }
+    if (success) {
+        cout << shouyi << endl;
+    }
+
+    //关闭文件
+    //fclose(stdin);
+    //fclose(stdout);
+    return 0;
+}