Runtime Error
/in/foo.cc: In function 'int main()':
/in/foo.cc:97:8: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
printf("%d",ans);
~~~~~~^~~~~~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:97:8: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
printf("%d",ans);
~~~~~~^~~~~~~~~~
