Compilare: main.cpp: In function 'int main()': main.cpp:37:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if (a % gap != 0) ^~ main.cpp:39:4: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' for (n = a; n <= b; n=n+gap) ^~~ main.cpp:63:18: warning: 'nmax' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << nmax << ' ' << ctmax << ' ' << ctnr << endl; ^~~