Compilare: main.cpp: In function 'int main()': main.cpp:150:39: warning: format '%lld' expects argument of type 'long long int', but argument 3 has type 'int64_t {aka long int}' [-Wformat=] printf("%d %lld\n", ans, count); ^ main.cpp:23:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &C, &n); ^ main.cpp:28:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &e.a, &e.b, &e.cost); ^ main.cpp:35:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &e.a, &e.b, &e.cost); ^