我有一个unordered_map (在C++中),它将一个整数与一个Item类的对象配对。我在文件的开头初始化无序映射,如下所示:#include <unordered_map>typedef std::unordered_map<int, Item> MyList; 从那时起,每当我尝试使用M 浏览1提问于2012-06-29得票数 2 回答已采纳 1回答 像这样使用c++ std::unordered...
{ int n, number; scanf("%d", &n); if (n < 1||n>20) return 0; unordered_map<int, int> ump; for (int i = 0; i <n; i++) { scanf("%d", &number); ump[number] ++; } int maxFreq=-1,maxNum=-100000; for (unordered_map<int, int>::iterator it = ump.begin(); it...
unordered_map key无法取得时的的默认值 int main() { unordered_map<string, string> m1; ...
// unordered_map #include<bits/stdc++.h> usingnamespacestd; // Prints frequencies of individual words in str voidprintFrequencies(conststring&str) { // declaring map of <string, int> type, each word // is mapped to its frequency unordered_map<string,int>wordFreq; // breaking input into...
voidput(intkey,intvalue){autoit = db.find(key);autoiter = itcache.find(key);if(it!=db.end()) { (it->second.second)++; it->second.first = value;intnewfreq = it->second.second;intcurfreq = newfreq-1; cache[curfreq].erase(iter->second); ...
wordFreq[word]++; // now iterating over word, freq pair and printing // them in <, > format unordered_map:: iterator p; for (p = wordFreq.begin(); p != wordFreq.end(); p++) cout << "(" << p->first << ", " << p->second << ")\n"; } // Driver code int main...
intget(intkey){if(key2node.find(key) == key2node.end())return-1;// node to frontNode2front(key);returnkey2node[key]->value; } 开发者ID:iampkuhz,项目名称:OnlineJudge_cpp,代码行数:7,代码来源:146-lru-cache.cpp 示例4: ReadListGraphNodes ...
unordered_map<string,int>wordFreq; // breaking input into word using string stream stringstream ss(str);// Used for breaking words stringword;// To store individual words while(ss>>word) wordFreq[word]++; // now iterating over word, freq pair and printing ...
voidput(intkey,intvalue){autoit = db.find(key);autoiter = itcache.find(key);if(it!=db.end()) { (it->second.second)++; it->second.first = value;intnewfreq = it->second.second;intcurfreq = newfreq-1; cache[curfreq].erase(iter->second); ...