View Compilation Error

0_0_28210021_32528.cpp: In function 'int main()':
0_0_28210021_32528.cpp:27:29: error: expected primary-expression before ';' token
    for(int i=1;i<=(n-ans)+1;;i++){
                             ^
0_0_28210021_32528.cpp:27:29: error: expected ')' before ';' token
0_0_28210021_32528.cpp:27:30: error: 'i' was not declared in this scope
    for(int i=1;i<=(n-ans)+1;;i++){
                              ^