View Compilation Error

0_0_25872394_1781.cpp:35:1: error: 'jZ' does not name a type
 jZ qpow(matrix A,LL b){
 ^
0_0_25872394_1781.cpp: In function 'int main()':
0_0_25872394_1781.cpp:72:37: error: 'pOw' was not declared in this scope
     if(n<=P/(P/i)) COE=pOw(COE,n-i+1);
                                     ^
0_0_25872394_1781.cpp:73:33: error: 'pOw' was not declared in this scope
     else COE=pOw(COE,P/(P/i)+1-i);
                                 ^
0_0_25872394_1781.cpp:86:28: error: 'pOw' was not declared in this scope
     COE=pOw(COE,P/(P/i)+1-i);
                            ^
0_0_25872394_1781.cpp:91:28: error: 'pOw' was not declared in this scope
    COE=pOw(COE,n-max(P,2LL));
                            ^