met.cpp: In function 'int main()':
met.cpp:12:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | #define cin(x) scanf("%d",&x)
| ~~~~~^~~~~~~~~
met.cpp:59:9: note: in expansion of macro 'cin'
59 | cin(n);
| ^~~
met.cpp:12:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | #define cin(x) scanf("%d",&x)
| ~~~~~^~~~~~~~~
met.cpp:60:9: note: in expansion of macro 'cin'
60 | cin(m);
| ^~~
met.cpp:12:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | #define cin(x) scanf("%d",&x)
| ~~~~~^~~~~~~~~
met.cpp:64:17: note: in expansion of macro 'cin'
64 | cin(x);
| ^~~
met.cpp:68:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
68 | scanf("%lld",&reqd[i]);
| ~~~~~^~~~~~~~~~~~~~~~~
met.cpp:12:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | #define cin(x) scanf("%d",&x)
| ~~~~~^~~~~~~~~
met.cpp:69:9: note: in expansion of macro 'cin'
69 | cin(k);
| ^~~
met.cpp:12:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | #define cin(x) scanf("%d",&x)
| ~~~~~^~~~~~~~~
met.cpp:72:17: note: in expansion of macro 'cin'
72 | cin(ql[i]);
| ^~~
met.cpp:12:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | #define cin(x) scanf("%d",&x)
| ~~~~~^~~~~~~~~
met.cpp:73:17: note: in expansion of macro 'cin'
73 | cin(qr[i]);
| ^~~
met.cpp:74:22: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
74 | scanf("%lld",&qa[i]);
| ~~~~~^~~~~~~~~~~~~~~