Created
March 15, 2015 13:31
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#include <vector> | |
#include <list> | |
#include <map> | |
#include <set> | |
#include <deque> | |
#include <queue> | |
#include <stack> | |
#include <bitset> | |
#include <algorithm> | |
#include <functional> | |
#include <numeric> | |
#include <utility> | |
#include <sstream> | |
#include <iostream> | |
#include <iomanip> | |
#include <cstdio> | |
#include <cmath> | |
#include <cstdlib> | |
#include <ctime> | |
#include <cstring> | |
#include <climits> | |
#include <stdlib.h> | |
#include <stdio.h> | |
using namespace std; | |
#define REP(i,n) for(int i=0; i<n; i++) | |
#define FOR(i,st,end) for(int i=st;i<end;i++) | |
#define db(x) cout << (#x) << " = " << x << endl; | |
#define mp make_pair | |
#define pb push_back | |
#define MAX 10000005 | |
typedef long long int ll; | |
//count in seperate vector and character in seperate vector | |
//count1[i] denotes the count of character[i] | |
vector<int>count1; | |
vector<char>character; | |
int main(){ | |
string str; | |
cin>>str; | |
REP(i,str.size()){ | |
char candidate=str[i]; | |
int c=1; | |
for(int j=i+1;j<str.size();j++){ | |
if(candidate==str[j]) | |
c++; | |
else | |
break; | |
} | |
i+=(c-1); | |
count1.pb(c); | |
character.pb(candidate); | |
} | |
REP(i,count1.size()){ | |
if(count1[i]>=3) | |
count1[i]=2; | |
} | |
REP(i,count1.size()-1){ | |
if(count1[i]==2&&count1[i+1]==2){ | |
count1[i+1]=1; | |
} | |
} | |
REP(i,count1.size()){ | |
REP(j,count1[i]){ | |
cout<<character[i]; | |
} | |
} | |
} |
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