Compilare: user.cpp: In function 'void pctint()': user.cpp:45: warning: unused variable 'j' user.cpp:45: warning: unused variable 'l' user.cpp: In function 'void pctinter()': user.cpp:153: warning: left-hand operand of comma has no effect user.cpp:153: warning: right-hand operand of comma has no effect user.cpp:153: warning: right-hand operand of comma has no effect user.cpp:165: warning: left-hand operand of comma has no effect user.cpp:165: warning: right-hand operand of comma has no effect user.cpp:165: warning: right-hand operand of comma has no effect user.cpp: In function 'void intersectie(int, int, int, int)': user.cpp:58: warning: 'c1' may be used uninitialized in this function user.cpp:58: warning: 'b1' may be used uninitialized in this function user.cpp:58: warning: 'a1' may be used uninitialized in this function user.cpp:58: warning: 'c2' may be used uninitialized in this function user.cpp:58: warning: 'a2' may be used uninitialized in this function user.cpp:58: warning: 'b2' may be used uninitialized in this function