/in/foo.cc: In function 'int main()':
/in/foo.cc:16:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(s.find("emo")!=-1)
                ~~~~~~~~~~~~~^~~~
/in/foo.cc:31:27: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses]
                 if((a[i-1]>a[i]>a[i+1])||a[i-1]==a[i]==a[i+1])
                     ~~~~~~^~~~~
/in/foo.cc:31:48: warning: suggest parentheses around comparison in operand of '==' [-Wparentheses]
                 if((a[i-1]>a[i]>a[i+1])||a[i-1]==a[i]==a[i+1])
                                          ~~~~~~^~~~~~