View Compilation Error

0_0_21531111_10534.cpp: In function 'int main()':
0_0_21531111_10534.cpp:138:27: error: 'px1' was not declared in this scope
                        if(px1==1)
                           ^
0_0_21531111_10534.cpp:140:31: error: 'pc1' was not declared in this scope
                            if(pc1) sum1=sum1+c1-x1;
                               ^
0_0_21531111_10534.cpp:145:31: error: 'pc1' was not declared in this scope
                            if(pc1==1)
                               ^
0_0_21531111_10534.cpp:152:25: error: 'px1' was not declared in this scope
                    { if(px1==1)
                         ^
0_0_21531111_10534.cpp:154:31: error: 'pc1' was not declared in this scope
                            if(pc1==1)
                               ^
0_0_21531111_10534.cpp:162:31: error: 'pc1' was not declared in this scope
                            if(pc1==1)
                               ^