foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:49:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
49 | scanf("%d%d%lld%lld", &n, &q, &s, &t);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foehn_phenomena.cpp:53:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
53 | scanf("%lld", &c);
| ~~~~~^~~~~~~~~~~~
foehn_phenomena.cpp:56:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
56 | scanf("%lld", &c);
| ~~~~~^~~~~~~~~~~~
foehn_phenomena.cpp:63:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
63 | scanf("%d%d%lld", &l, &r, &c);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~