joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:7:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
7 | scanf("%d%d",&n,&m) ;
| ~~~~~^~~~~~~~~~~~~~
joi2019_ho_t2.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
14 | scanf("%d%d",&x,&y) ;
| ~~~~~^~~~~~~~~~~~~~
joi2019_ho_t2.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
20 | scanf("%d",&frames[i]) ;
| ~~~~~^~~~~~~~~~~~~~~~~