View Compilation Error

0_0_38904517_23153.cpp:6:7: error: 'N' was not declared in this scope
    6 | int p[N+100];
      |       ^
0_0_38904517_23153.cpp:7:9: error: 'N' was not declared in this scope
    7 | bool is[N+100];
      |         ^
0_0_38904517_23153.cpp:12:5: error: redefinition of 'int n'
   12 | int n;
      |     ^
0_0_38904517_23153.cpp:8:5: note: 'int n' previously declared here
    8 | int n,f;
      |     ^