41. 生成字典

#include <iostream>
#include <cstring>
#include <algorithm>
#include <sstream>
#include <cstdio>
#include <set>

using namespace std;

set<string> se;

int main() {
    string s,temp;
    getline(cin,s);
    istringstream ss(s);
    while(ss >> temp){
        if (islower(temp[0])) temp[0] = temp[0]-32;
        se.insert(temp);
    }
    for(set<string>::iterator it = se.begin();it!=se.end();it++){
        temp = *it;
        cout<<temp[0]<<":"<<temp<<endl;
    }

    return 0;
}