View Compilation Error

0_0_13596905_5775.cpp: In function 'void dsum(int, int, int)':
0_0_13596905_5775.cpp:120:12: error: 'd' was not declared in this scope
     int pp[d+15];
            ^
0_0_13596905_5775.cpp:123:12: error: 'pp' was not declared in this scope
     memset(pp,0,sizeof(d+10));
            ^
0_0_13596905_5775.cpp:125:12: error: 'P' was not declared in this scope
     memset(P,0,sizeof(d+10));
            ^