View Compilation Error

0_0_31393801_13640.cpp: In function 'int main()':
0_0_31393801_13640.cpp:16:3: error: expected ';' before 'memset'
   memset(cnt,0,sizeof(cnt)) ; 
   ^
0_0_31393801_13640.cpp:31:28: error: invalid operands of types 'int' and 'int [26]' to binary 'operator-'
     if (cnt[r][i] - cnt[l-1]][i] != 0){
                            ^
0_0_31393801_13640.cpp:31:29: error: expected ')' before ']' token
     if (cnt[r][i] - cnt[l-1]][i] != 0){
                             ^
0_0_31393801_13640.cpp:31:29: error: expected primary-expression before ']' token