Compilare: main.cpp: In function 'int main()': main.cpp:91:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 91 | if(v1[i].d<=x) | ^ main.cpp:25:9: warning: unused variable 'a' [-Wunused-variable] 25 | int a, b, l0, i, cl, cll; | ^ main.cpp:25:12: warning: unused variable 'b' [-Wunused-variable] 25 | int a, b, l0, i, cl, cll; | ^ main.cpp:46:15: warning: variable 'j' set but not used [-Wunused-but-set-variable] 46 | int k=1, j; | ^