'commit'

2025-08-30 18:35:01 +08:00
commit 1f397eca87
6258 changed files with 1487241 additions and 0 deletions
--- a/TangDou/CSP-J/AcWingTraining/T1/4088.cpp
+++ b/TangDou/CSP-J/AcWingTraining/T1/4088.cpp
@@ -0,0 +1,53 @@
+#include <bits/stdc++.h>
+using namespace std;
+
+int w[5]; // 分解数组
+
+bool check(string addr) {
+    memset(w, -1, sizeof w);
+    sscanf(addr.c_str(), "%d.%d.%d.%d:%d", &w[0], &w[1], &w[2], &w[3], &w[4]); // ① 按指定格式扫入变量
+
+    // 干掉胡乱输入的,比如 33.3423.23423ASFDSDF.sdfsdf
+    char str[100];
+    sprintf(str, "%d.%d.%d.%d:%d", w[0], w[1], w[2], w[3], w[4]); // ② 将变量还原拼接成字符串
+
+    if (str != addr) return false; // 字符数组可以直接与string对比！
+
+    for (int i = 0; i < 5; i++) {
+        if (w[i] < 0) return false;
+        if (i < 4 && w[i] > 255) return false;
+        if (i == 4 && w[i] > 65535) return false;
+    }
+    return true;
+}
+
+int main() {
+    int n;
+    cin >> n;
+
+    unordered_map<string, int> hash;
+
+    for (int i = 1; i <= n; i++) {
+        string type, addr;
+        cin >> type >> addr;
+        if (type == "Server") {
+            if (!check(addr))
+                puts("ERR");
+            else if (hash.count(addr))
+                puts("FAIL");
+            else {
+                hash[addr] = i;
+                puts("OK");
+            }
+        } else {
+            if (!check(addr))
+                puts("ERR");
+            else if (!hash.count(addr))
+                puts("FAIL");
+            else
+                cout << hash[addr] << endl;
+        }
+    }
+
+    return 0;
+}