0_0_15107585_4857.cpp: In function 'int main()': 0_0_15107585_4857.cpp:71:21: error: 'ptx' was not declared in this scope ptx[x]=0; ^ 0_0_15107585_4857.cpp:80:25: error: 'ptx' was not declared in this scope ptx[x]=0; ^