Compilare: main.cpp: In function 'int concatenare(int, int)': main.cpp:6:1: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 6 | for(int i=x;i<=y;i++) | ^~~ main.cpp:8:5: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 8 | return nr; | ^~~~~~ main.cpp:8:12: warning: 'nr' may be used uninitialized [-Wmaybe-uninitialized] 8 | return nr; | ^~ main.cpp:5:5: note: 'nr' was declared here 5 | int nr; | ^~ main.cpp: In function 'int main()': main.cpp:24:18: warning: 'nr' may be used uninitialized [-Wmaybe-uninitialized] 24 | cou << nr%p << '\n'; | ^~~~ main.cpp:5:5: note: 'nr' was declared here 5 | int nr; | ^~