Problem: Given a string, Remove all the duplicate chars, string may include spaces.
Solution Hints:solN; ASCII char valaus range from -128 to 127.
The following solution did not get AC from OJ. My guess is, there may be a problem with that OJ.
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#include <iostream> #include <string> #include <stdio.h> using namespace std; int main() { //code int t; int arr[1005]; string str; scanf("%d",&t); //t+=1; getchar(); while(t--) { getline(cin,str); for(int i=0;i<1005;i++) arr[i]=0; for(int i=0;i<str.size();i++) { if(arr[(str[i]-'0')+128]==0) //printf("%c",str[i]); cout<<str[i]; arr[(str[i]-'0')+128]=1; } printf("\n"); } return 0; } |