View Compilation Error

0_0_20435645_28886.cpp: In function 'int main()':
0_0_20435645_28886.cpp:10:27: error: expected primary-expression before '?' token
     for(int c = 1; c <= T;?c++) {
                           ^
0_0_20435645_28886.cpp:10:31: error: expected ':' before ')' token
     for(int c = 1; c <= T;?c++) {
                               ^
0_0_20435645_28886.cpp:10:31: error: expected primary-expression before ')' token