UVA_10815: Andy's First Dictionary
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Input
The input file is a text with no more than 5000 lines. An input line has at most 200 characters. Input is terminated by EOF.
Output
Your output should give a list of different words that appears in the input text, one in a line. The words should all be in lower case, sorted in alphabetical order. You can be sure that he number of distinct words in the text does not exceed 5000.
SampleInput
Adventures in Disneyland
Two blondes were going to Disneyland when they came to a fork in the
road. The sign read: "Disneyland Left."
So they went home.
SampleOutput
a
adventures
blondes
came
disneyland
fork
going
home
in
left
read
road
sign
so
the
they
to
two
went
were
The input file is a text with no more than 5000 lines. An input line has at most 200 characters. Input is terminated by EOF.
Output
Your output should give a list of different words that appears in the input text, one in a line. The words should all be in lower case, sorted in alphabetical order. You can be sure that he number of distinct words in the text does not exceed 5000.
SampleInput
Adventures in Disneyland
Two blondes were going to Disneyland when they came to a fork in the
road. The sign read: "Disneyland Left."
So they went home.
SampleOutput
a
adventures
blondes
came
disneyland
fork
going
home
in
left
read
road
sign
so
the
they
to
two
went
were
when
分析:本题主要考察STL的应用,利用set和string可以很快的完成
#include <iostream>#include <string>#include <set>#include <sstream>using namespace std;set<string> dict;int main(){string s, buf;while(cin >> s){for(int i=0; i<s.length(); i++)if(isalpha(s[i]))s[i]=tolower(s[i]);else s[i]=' ';stringstream ss(s);while(ss >> buf) dict.insert(buf);}for(set<string>::iterator it = dict.begin(); it!=dict.end(); it++)cout << *it << "\n"; return 0;}
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