View Compilation Error

0_0_32355305_17177.cpp:8:21: error: 'maxm' was not declared in this scope
 int t,a,b,tot,prime[maxm];
                     ^
0_0_32355305_17177.cpp: In function 'void Getpri()':
0_0_32355305_17177.cpp:14:13: error: 'prime' was not declared in this scope
             prime[tot++]=i;
             ^
0_0_32355305_17177.cpp: In function 'void init()':
0_0_32355305_17177.cpp:22:17: error: 'prime' was not declared in this scope
         int dif=prime[i]-prime[i-1];
                 ^