timeleap.cpp: In function 'long long int F(long long int, long long int, long long int, long long int, long long int, long long int)':
timeleap.cpp:29:1: warning: no return statement in function returning non-void [-Wreturn-type]
29 | }
| ^
timeleap.cpp: In function 'int main()':
timeleap.cpp:32:19: warning: unused variable 'a' [-Wunused-variable]
32 | long long N,M,a,b,c,d,i;
| ^
timeleap.cpp:32:21: warning: unused variable 'b' [-Wunused-variable]
32 | long long N,M,a,b,c,d,i;
| ^
timeleap.cpp:33:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
33 | scanf("%lld %lld",&N,&M);
| ~~~~~^~~~~~~~~~~~~~~~~~~
timeleap.cpp:36:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
36 | scanf("%lld %lld",&c,&d);
| ~~~~~^~~~~~~~~~~~~~~~~~~