Accepted
/in/foo.cc: In function 'int main()':
/in/foo.cc:34:3: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
while(scanf("%c",&s[n]),s[n]!='E')
^
/in/foo.cc: In function 'int main()':
/in/foo.cc:34:3: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
while(scanf("%c",&s[n]),s[n]!='E')
^
