lot.cpp: In function 'int main()':
lot.cpp:60:44: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
60 | if(l-(vals[d].size()-idx-1)<=k)ans++;
| ~~~~~~~~~~~~~~~~~~~~~~~~^~~
lot.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
16 | scanf("%d%d",&n,&l);
| ~~~~~^~~~~~~~~~~~~~
lot.cpp:19:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
19 | scanf("%d",&a[i]);
| ~~~~~^~~~~~~~~~~~
lot.cpp:49:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
49 | scanf("%d",&q);
| ~~~~~^~~~~~~~~
lot.cpp:53:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
53 | scanf("%d",&k);
| ~~~~~^~~~~~~~~