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  1. //#include<conio.h>
  2. #include<stdio.h>
  3. #include<string.h>
  4. int main()
  5. { //clrscr();
  6.   char str[100],c[10],p[10],a;
  7.   int len,n,i,start=0,end=0,decimal=-1,flag=0,flag1=0,test,flag2=0;
  8.   scanf("%d",&test);
  9.   while(test--){
  10.   scanf("%d",&n);
  11.   for(i=0;i<n;i++)
  12.   {
  13.    scanf("%s %s",&c[i],&p[i]);
  14.   }
  15.   c[i]='\0';
  16.   p[i]='\0';
  17.   //printf("%s\n",c);
  18.  // putchar('\n');
  19.   //printf("\n%s",p);
  20.   //printf("\nenter the string \n");
  21.   scanf("%s",&str);
  22.  
  23.   len=strlen(str);
  24.   int j=0;
  25.   while(j<len)
  26.   {
  27.       for(i=0;c[i]!='\0';i++)
  28. 	 if((str[j])==(c[i]))
  29. 	    {str[j]=p[i];break;}
  30.   j++;
  31.   }
  32.   for(i=0,j=len-1;i<len;i++,j--)
  33.   {
  34.     if(str[i]!='0'&&flag==0){
  35.       start=i;
  36.       flag=1;
  37.       }
  38.     if(str[j]!='0'&&flag1==0)
  39.     {
  40.       end=j;
  41.       flag1=1;
  42.     }
  43.     if(str[i]=='.')
  44.      { decimal=i;flag2=1;}
  45.   }
  46.   //printf("%d %d %d\n",start,end,decimal);
  47.  
  48.   if(end==start&&start==decimal)
  49.     printf("0");
  50.   else if(str[0]=='.')printf("0");
  51.  else if(start<end||start==end)
  52.    {
  53.  
  54.    if(flag2==0)
  55.    { end=len;}
  56.  
  57.    else if(end==decimal)
  58.    end=end-1;
  59.    for(i=start;i<=end;i++)
  60.    printf("%c",str[i]);
  61.    }
  62.    printf("\n");
  63.    start=end=flag=flag1=flag2=0;
  64.    decimal=-1;
  65.    }
  66.   return 0;//getch();
  67. }
Success #stdin #stdout 0s 2252KB
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stdin
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3
0
1800
0
000.0000
0
000000000000000
stdout
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1800
0
000000000000000
https://ideone.com/GKIKz9
language:
C (gcc 8.3)
created:
9 years ago
visibility:
secret

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