Compilare: main.cpp: In function 'int main()': main.cpp:9:27: warning: unused variable 'n1' [-Wunused-variable] 9 | long long int n, cif, n1, n2, difmin=10, c1, c2, dif; | ^~ main.cpp:9:31: warning: unused variable 'n2' [-Wunused-variable] 9 | long long int n, cif, n1, n2, difmin=10, c1, c2, dif; | ^~ main.cpp:73:12: warning: 'c2' may be used uninitialized [-Wmaybe-uninitialized] 73 | fr2[c2]--; | ~~~~~~~^~ main.cpp:9:50: note: 'c2' was declared here 9 | long long int n, cif, n1, n2, difmin=10, c1, c2, dif; | ^~ main.cpp:63:35: warning: 'c1' may be used uninitialized [-Wmaybe-uninitialized] 63 | if(dif==difmin&&i<c1) | ~~~~~~~~~~~^~~~~~ main.cpp:9:46: note: 'c1' was declared here 9 | long long int n, cif, n1, n2, difmin=10, c1, c2, dif; | ^~