View Compilation Error

0_0_32192472_29272.cpp: In function 'int main()':
0_0_32192472_29272.cpp:52:7: error: 'ii' was not declared in this scope
   per(ii, 1, m) {
       ^
0_0_32192472_29272.cpp:52:15: error: 'per' was not declared in this scope
   per(ii, 1, m) {
               ^