Compilare: main.cpp: In function 'int main()': main.cpp:76:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else] 76 | if(v1[i].d<=x) | ^ main.cpp:22:9: warning: unused variable 'a' [-Wunused-variable] 22 | int a, b, l0, i, cl, jj; | ^ main.cpp:22:12: warning: unused variable 'b' [-Wunused-variable] 22 | int a, b, l0, i, cl, jj; | ^ main.cpp:22:26: warning: unused variable 'jj' [-Wunused-variable] 22 | int a, b, l0, i, cl, jj; | ^~ main.cpp:35:15: warning: variable 'j' set but not used [-Wunused-but-set-variable] 35 | int k=1, j; | ^