48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
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#include <bits/stdc++.h>
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using namespace std;
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int w[5];
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bool check(string addr){
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memset(w, -1, sizeof w);
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sscanf(addr.c_str(), "%d.%d.%d.%d:%d", &w[0], &w[1], &w[2], &w[3], &w[4]);
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char str[100];
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sprintf(str, "%d.%d.%d.%d:%d", w[0], w[1], w[2], w[3], w[4]);
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if (str != addr) return false;
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for (int i = 0; i < 5; i++){
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if (w[i] < 0) return false;
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if (i < 4 && w[i] > 255) return false;
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if (i == 4 && w[i] > 65535) return false;
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}
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return true;
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}
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int main() {
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//配置从文本文件读入数据
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freopen("network.in","r", stdin);
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freopen("network.out","w", stdout);
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int n;
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cin >> n;
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unordered_map<string, int> hash;
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for (int i = 1; i <= n; i++){
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string type, addr;
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cin >> type >> addr;
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if(type=="Server"){
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if(!check(addr))
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puts("ERR");
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else if(hash.count(addr))
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puts("FAIL");
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else{
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hash[addr] = i;
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puts("OK");
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}
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}else{
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if(!check(addr))
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puts("ERR");
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else if(!hash.count(addr))
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puts("FAIL");
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else
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cout << hash[addr] << endl;
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}
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}
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return 0;
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}
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