strange_device.cpp: In function 'int main()':
strange_device.cpp:12:27: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long long int*' [-Wformat=]
scanf("%d%d",&t,&l);
~~ ^
strange_device.cpp:12:27: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'long long int*' [-Wformat=]
strange_device.cpp:18:29: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'std::set<std::pair<long long int, long long int> >::size_type {aka long unsigned int}' [-Wformat=]
printf("%lld",res.size());
~~~~~~~~~~^
strange_device.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld%lld%lld",&n,&a,&b);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d",&t,&l);
~~~~~^~~~~~~~~~~~~~