Compiler output
prog.cpp: In function 'int main()':
prog.cpp:12:9: warning: variable 'x1' set but not used [-Wunused-but-set-variable]
int x1, x2, y1, y2;
^
prog.cpp:12:13: warning: variable 'x2' set but not used [-Wunused-but-set-variable]
int x1, x2, y1, y2;
^
prog.cpp:12:17: warning: variable 'y1' set but not used [-Wunused-but-set-variable]
int x1, x2, y1, y2;
^
prog.cpp:12:21: warning: variable 'y2' set but not used [-Wunused-but-set-variable]
int x1, x2, y1, y2;
^
prog.cpp: In function 'int main()':
prog.cpp:12:9: warning: variable 'x1' set but not used [-Wunused-but-set-variable]
int x1, x2, y1, y2;
^
prog.cpp:12:13: warning: variable 'x2' set but not used [-Wunused-but-set-variable]
int x1, x2, y1, y2;
^
prog.cpp:12:17: warning: variable 'y1' set but not used [-Wunused-but-set-variable]
int x1, x2, y1, y2;
^
prog.cpp:12:21: warning: variable 'y2' set but not used [-Wunused-but-set-variable]
int x1, x2, y1, y2;
^
