View Compilation Error

0_0_32832577_20981.cpp: In function 'int main()':
0_0_32832577_20981.cpp:46:39: error: expected ')' before numeric constant
         for(int i = siz-1; i >= 1; i--2) {
                                       ^
0_0_32832577_20981.cpp:46:40: error: expected ';' before ')' token
         for(int i = siz-1; i >= 1; i--2) {
                                        ^
0_0_32832577_20981.cpp:65:1: error: expected '}' at end of input
 }
 ^
0_0_32832577_20981.cpp:65:1: error: expected '}' at end of input