View Compilation Error

0_0_17653141_12250.cpp:13:1: error: 'Euler' does not name a type
 Euler[MAXN];
 ^
0_0_17653141_12250.cpp: In function 'long long int cal(int, int)':
0_0_17653141_12250.cpp:31:13: error: 'Euler' was not declared in this scope
     return (Euler[tmp]*cal(cnt,m))%mod;
             ^
0_0_17653141_12250.cpp: In function 'long long int pow(long long int, int)':
0_0_17653141_12250.cpp:36:12: error: 'Euler' was not declared in this scope
     int Ep=Euler[p];
            ^
0_0_17653141_12250.cpp: In function 'int main()':
0_0_17653141_12250.cpp:48:5: error: 'Euler' was not declared in this scope
     Euler[1]=1;
     ^