prog.cpp: In function ‘int main()’:
prog.cpp:9:8: error: ‘A’ was not declared in this scope
(0 < A < 1000, 0 < B < 100);
^
prog.cpp:9:22: error: ‘B’ was not declared in this scope
(0 < A < 1000, 0 < B < 100);
^
prog.cpp:11:8: error: ‘C’ was not declared in this scope
(0 < C <1000000, 0 < D < 100)
^
prog.cpp:11:24: error: ‘D’ was not declared in this scope
(0 < C <1000000, 0 < D < 100)
^
prog.cpp: In function ‘int main()’:
prog.cpp:15:5: error: redefinition of ‘int main()’
int main() {
^~~~
prog.cpp:6:5: note: ‘int main()’ previously defined here
int main() {
^~~~