Compilare: main.cpp: In function 'int main()': main.cpp:119:35: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::size_t {aka long unsigned int}' [-Wformat=] printf("%d\n", sol.count()); ^ main.cpp:97:48: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("freakadebunic.in", "r", stdin); ^ main.cpp:98:50: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("freakadebunic.out", "w", stdout); ^ main.cpp:101:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &k); ^ main.cpp:104:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &x); ^ main.cpp:111:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &x, &y); ^