/in/foo.cc: In function 'void change(int, int, int)':
/in/foo.cc:15:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
for(int i=1;i<=n;++i) cout<<char(c[1][i]+'a');cout<<endl;
^~~
/in/foo.cc:15:48: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
for(int i=1;i<=n;++i) cout<<char(c[1][i]+'a');cout<<endl;
^~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:20:12: warning: unused variable 'l' [-Wunused-variable]
int i,j,k,l,m;
^
/in/foo.cc:20:14: warning: unused variable 'm' [-Wunused-variable]
int i,j,k,l,m;
^