View Compilation Error

0_0_18894281_1949.cpp: In function 'int main()':
0_0_18894281_1949.cpp:27:13: error: expected ';' before 'if'
             if(i==n-1)
             ^
0_0_18894281_1949.cpp:29:13: error: 'else' without a previous 'if'
             else
             ^
0_0_18894281_1949.cpp:32:5: error: expected '}' at end of input
     }
     ^