Compilare: main.cpp: In function 'bool next_is_better_up1(int, double)': main.cpp:129:10: warning: unused variable 'y1' [-Wunused-variable] 129 | double y1 = pr_1.second; | ^~ main.cpp:132:10: warning: unused variable 'y2' [-Wunused-variable] 132 | double y2 = pr_2.second; | ^~ main.cpp: In function 'bool next_is_better_ri1(int, double)': main.cpp:144:10: warning: unused variable 'x1' [-Wunused-variable] 144 | double x1 = pr_1.first; | ^~ main.cpp:147:10: warning: unused variable 'x2' [-Wunused-variable] 147 | double x2 = pr_2.first; | ^~ main.cpp: In function 'bool next_is_better_dn1(int, double)': main.cpp:161:10: warning: unused variable 'y1' [-Wunused-variable] 161 | double y1 = pr_1.second; | ^~ main.cpp:164:10: warning: unused variable 'y2' [-Wunused-variable] 164 | double y2 = pr_2.second; | ^~ main.cpp: In function 'bool next_is_better_le1(int, double)': main.cpp:176:10: warning: unused variable 'x1' [-Wunused-variable] 176 | double x1 = pr_1.first; | ^~ main.cpp:179:10: warning: unused variable 'x2' [-Wunused-variable] 179 | double x2 = pr_2.first; | ^~ main.cpp: In function 'int main()': main.cpp:302:22: warning: division by zero [-Wdiv-by-zero] 302 | fout << min_area / 0 << "\n"; | ~~~~~~~~~^~~