View Compilation Error

0_0_26027885_7533.cpp:108:4: error: 'MAXN' was not declared in this scope
 }s[MAXN];
    ^
0_0_26027885_7533.cpp: In function 'int main()':
0_0_26027885_7533.cpp:126:18: error: 's' was not declared in this scope
             read(s[i].l);
                  ^
0_0_26027885_7533.cpp:132:14: error: 's' was not declared in this scope
         sort(s+1,s+m+1,cmp);
              ^