View Code of Problem 3924

#include<stdio.h>
#include<string.h>
//这题目真的有问题,题目说s长度<=10^9,但实际上只能开到10^7,否则OJ就一直报错
char s[10000000]; //这里只有10^7 

int main(){
  scanf("%s",s);
  int len=strlen(s);
  for(int i=0;i<len;i++){
    if(s[i]!=s[i+1])
      printf("%c",s[i]);
  }
  return 0;
}

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