1071. Speech Patterns

#include <cstdio>#include <iostream>#include <string>#include <map>#include <algorithm>#include <vector>#include <ctype.h>using namespace std;map<string , int> result ;bool isLetter(char c){if( '0' <= c && c <= '9' || 'a' <= c && c<= 'z' || 'A' <= c && c <= 'Z' ){return true;}return false ;}int main(void){string data;int i  = 0;int s , e ;int max = 0 ; vector<int>value ;map<string , int> ::iterator it ;//freopen("input.txt" , "r" , stdin);getline(cin , data); while( i  < data.length() ){string temp ;while( i < data.length() && !isLetter( data.at(i) )){i++ ;}if( i == data.length() ) break ;s = i ;while(  i < data.length() && isLetter( data.at(i) )) {data.replace( i , 1 , 1 , tolower( data.at(i) ) ) ;i++ ;}e = i;temp = data.substr( s , e - s );//´æ´¢Ïà¹ØµÄ×Ö·û´®if( result.count( temp ) == 0 ){result[temp] = 1 ;}else{result[temp] ++ ;}if( result[temp] > max ){max = result[temp] ;}}for( it = result.begin() ; it != result.end() ; it++ ){if( it->second == max){cout<<it->first << ' ' << it->second << endl;}}return 0;}