/in/foo.cc: In function 'int main()':
/in/foo.cc:24:13: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
             for(i=1;i<l;i++)
             ^~~
/in/foo.cc:31:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
                 if(l==100||n==0) j=1;
                 ^~
/in/foo.cc:36:21: warning: 'd' may be used uninitialized in this function [-Wmaybe-uninitialized]
                 if(d==i&&c==1) {cout<<"(";cout<<a[i];}
                    ~^~~