/***
Md. Nazmul Hasan
Shahjalal University of Science & Technology,Sylhet.
hasan08sust@gmail.com
***/
#include<iostream>
#include<cstdio>
#include<stack>
#include<queue>
#include<map>
#include<vector>
#include<algorithm>
#include<cstring>
#include<sstream>
#include<cmath>
#include <iomanip>
using namespace std ;
typedef long long ll ;
typedef int in ;
typedef unsigned long long ull ;
const double pi = 2*acos(0) ;
#define maxi 40000
#define pf printf
#define sc scanf
#define pb push_back
#define MEM(x,y) (memset((x),(y),sizeof(x)))
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#define load(array,size) for(int i=0 ; i<size ; i++) cin>>array[i] ;
#define new_line pf("\n")
#define clear_data(array) memset(array,0,sizeof(array))
#define highest_int 2147483647
int main()
{
string str ;
int i,j,test,minv, maxv ;
int cnt=1 ;
while(cin>>str)
{
if(str.size() == 0)
break;
sc("%d",&test);
pf("Case %d:\n",cnt++);
for(int k=1 ; k<=test; k++)
{
sc("%d %d",&i,&j);
bool notSame = true ;
minv = min(i,j);
maxv = max(i,j);
char ch = str[minv];
for(int n = minv ; n<=maxv ; n++)
{
if(ch == str[n])
continue ;
else if(ch != str[n]){
notSame = false;
break;
}
}
if(notSame)
pf("Yes\n");
else
pf("No\n");
}
}
return 0;
}
Md. Nazmul Hasan
Shahjalal University of Science & Technology,Sylhet.
hasan08sust@gmail.com
***/
#include<iostream>
#include<cstdio>
#include<stack>
#include<queue>
#include<map>
#include<vector>
#include<algorithm>
#include<cstring>
#include<sstream>
#include<cmath>
#include <iomanip>
using namespace std ;
typedef long long ll ;
typedef int in ;
typedef unsigned long long ull ;
const double pi = 2*acos(0) ;
#define maxi 40000
#define pf printf
#define sc scanf
#define pb push_back
#define MEM(x,y) (memset((x),(y),sizeof(x)))
#define MIN(x,y) ((x) < (y) ? (x) : (y))
#define MAX(x,y) ((x) > (y) ? (x) : (y))
#define load(array,size) for(int i=0 ; i<size ; i++) cin>>array[i] ;
#define new_line pf("\n")
#define clear_data(array) memset(array,0,sizeof(array))
#define highest_int 2147483647
int main()
{
string str ;
int i,j,test,minv, maxv ;
int cnt=1 ;
while(cin>>str)
{
if(str.size() == 0)
break;
sc("%d",&test);
pf("Case %d:\n",cnt++);
for(int k=1 ; k<=test; k++)
{
sc("%d %d",&i,&j);
bool notSame = true ;
minv = min(i,j);
maxv = max(i,j);
char ch = str[minv];
for(int n = minv ; n<=maxv ; n++)
{
if(ch == str[n])
continue ;
else if(ch != str[n]){
notSame = false;
break;
}
}
if(notSame)
pf("Yes\n");
else
pf("No\n");
}
}
return 0;
}
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