Compilare: user.cpp: In function ‘uint64 ComputeCombinations(uint64, uint64)’: user.cpp:41:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = b + 1; i <= a; i++) ^ user.cpp:45:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 2; i <= a - b; i++) ^ user.cpp: In function ‘int main()’: user.cpp:64:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < n; i++) ^ user.cpp:92:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < items.size(); i++) ^ user.cpp:101:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (pow < d && idx <= it->times) ^ user.cpp:125:11: warning: unused variable ‘value’ [-Wunused-variable] uint64 value = (totalComb + myComb) % MAGIC_MODULO; ^ user.cpp:142:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < d; i++) ^ user.cpp:15:65: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] #define STDIN_FILE_OPEN(FileName) {freopen(FileName, "r", stdin);} ^ user.cpp:54:2: note: in expansion of macro ‘STDIN_FILE_OPEN’ STDIN_FILE_OPEN("produse.in"); ^ user.cpp:16:67: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] #define STDOUT_FILE_OPEN(FileName) {freopen(FileName, "w", stdout);} ^ user.cpp:55:2: note: in expansion of macro ‘STDOUT_FILE_OPEN’ STDOUT_FILE_OPEN("produse.out"); ^ user.cpp:63:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu %llu", &n, &d); ^ user.cpp:67:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%llu", &nr); ^