Compilare: main.cpp: In function 'bool comp(punct, punct)': main.cpp:31:12: warning: unused variable 'xa' [-Wunused-variable] double xa, ya, xb, yb, t1, t2, r1, r2; ^~ main.cpp:31:16: warning: unused variable 'ya' [-Wunused-variable] double xa, ya, xb, yb, t1, t2, r1, r2; ^~ main.cpp:31:20: warning: unused variable 'xb' [-Wunused-variable] double xa, ya, xb, yb, t1, t2, r1, r2; ^~ main.cpp:31:24: warning: unused variable 'yb' [-Wunused-variable] double xa, ya, xb, yb, t1, t2, r1, r2; ^~ main.cpp:31:28: warning: unused variable 't1' [-Wunused-variable] double xa, ya, xb, yb, t1, t2, r1, r2; ^~ main.cpp:31:32: warning: unused variable 't2' [-Wunused-variable] double xa, ya, xb, yb, t1, t2, r1, r2; ^~ main.cpp:31:36: warning: unused variable 'r1' [-Wunused-variable] double xa, ya, xb, yb, t1, t2, r1, r2; ^~ main.cpp:31:40: warning: unused variable 'r2' [-Wunused-variable] double xa, ya, xb, yb, t1, t2, r1, r2; ^~