tuna.cpp: In function 'int main()':
tuna.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
8 | scanf("%d %d",&n,&x);
| ~~~~~^~~~~~~~~~~~~~~
tuna.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
11 | scanf("%d %d",&a, &b);
| ~~~~~^~~~~~~~~~~~~~~~
tuna.cpp:13:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
13 | scanf("%d",&c);
| ~~~~~^~~~~~~~~