View Compilation Error

0_0_26037355_18411.cpp: In function 'void add(int)':
0_0_26037355_18411.cpp:28:9: error: 'j' was not declared in this scope
     for(j=0;j<s;j++)
         ^
0_0_26037355_18411.cpp:30:10: error: 'i' was not declared in this scope
     mark[i]=1;
          ^