foo.cc: In function 'int main()':
foo.cc:7:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int i=1;i<=n;i++)
     ^~~
foo.cc:9:7: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
       memset(a,0,sizeof(0));
       ^~~~~~
foo.cc:12:15: error: expected primary-expression before ')' token
            if()
               ^
foo.cc:14:19: error: 'i' was not declared in this scope
              if(a[i]>a[j])
                   ^

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