Compilare: main.cpp: In function 'int main()': main.cpp:15:15: warning: array subscript has type 'char' [-Wchar-subscripts] 15 | f[c] ++; | ^ main.cpp:12:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 12 | for (i=1;i<=m;i++) | ^~~ main.cpp:17:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 17 | for (i=m;i<=n;i++) | ^~~ main.cpp:21:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 21 | for (i=1;i<=n;i++) | ^~~ main.cpp:25:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 25 | for (i=m;i<=n;i++) | ^~~ main.cpp:28:27: warning: array subscript has type 'char' [-Wchar-subscripts] 28 | f[c]) | ^