#include<cstdio> #include<cstring> #include<cmath> #include<iostream> #include<algorithm> #define N 100 using namespace std; int main() { char a,b; while((a=getchar())!=EOF) { if(a!=b) printf("%c",a); b=a; } /*char str[1000000]; int i=0; scanf("%s",str); printf("%c",str[0]); for(int i=1;i<strlen(str);i++) { if(str[i]==str[i-1]) continue; else printf("%c",str[i]); }*/ } |
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