bile3.cpp: In function 'int main()': bile3.cpp:21: error: 'nrop' was not declared in this scope bile3.cpp:21: error: 'cp' was not declared in this scope bile3.cpp:26: error: 'cp' was not declared in this scope bile3.cpp:26: error: 'nrop' was not declared in this scope bile3.cpp:30: error: 'nrop' was not declared in this scope bile3.cpp:30: error: 'cp' was not declared in this scope bile3.cpp:38: error: 'nrop' was not declared in this scope bile3.cpp:39: error: 'op' was not declared in this scope