View Compilation Error

0_0_33378200_12266.cpp: In function 'int main()':
0_0_33378200_12266.cpp:55:19: error: 'class std::queue<long long int>' has no member named 'top'
     long long x=S.top(),l=0,r=m+1,mid;
                   ^
0_0_33378200_12266.cpp:56:12: error: 'r' was not declared in this scope
     while((r-l)>1)
            ^
0_0_33378200_12266.cpp:56:14: error: 'l' was not declared in this scope
     while((r-l)>1)
              ^
0_0_33378200_12266.cpp:58:6: error: 'mid' was not declared in this scope
      mid=(l+r)>>1;
      ^
0_0_33378200_12266.cpp:68:21: error: 'l' was not declared in this scope
     for(long long j=l;j<m;j++)
                     ^