Compilare: user.cpp: In function ‘int main()’: user.cpp:51:30: warning: spurious trailing ‘%’ in format [-Wformat=] scanf("%d%d%", &a, &b); ^ user.cpp:52:30: warning: spurious trailing ‘%’ in format [-Wformat=] scanf("%d%d%", &c, &d); ^ user.cpp:53:30: warning: spurious trailing ‘%’ in format [-Wformat=] scanf("%d%d%", &e, &f); ^ user.cpp:54:30: warning: spurious trailing ‘%’ in format [-Wformat=] scanf("%d%d%", &g, &h); ^ user.cpp:44:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(inputFile.c_str(), "r", stdin); ^ user.cpp:45:45: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(outputFile.c_str(), "w", stdout); ^ user.cpp:48:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &Q); ^ user.cpp:51:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%", &a, &b); ^ user.cpp:52:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%", &c, &d); ^ user.cpp:53:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%", &e, &f); ^ user.cpp:54:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%", &g, &h); ^