Compilare: main.cpp: In function 'void Solve2(const std::vector<long long int>&)': main.cpp:44:27: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type {aka long unsigned int}' [-Wformat=] printf("%d ", ans.size()); ^ main.cpp: In function 'void Solve1(const std::vector<long long int>&)': main.cpp:7:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] int n; scanf("%d", &n); ^ main.cpp:11:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^ main.cpp: In function 'void Solve2(const std::vector<long long int>&)': main.cpp:23:37: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] long long pos; scanf("%lld", &pos); ^