Compilare: user.cpp: In function ‘int main()’: user.cpp:42:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("muzica.in", "r", stdin); ^ user.cpp:43:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("muzica.out", "w", stdout); ^ user.cpp: In function ‘void get(long long int&)’: user.cpp:106:56: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (bp > NMAX) bp = 0, fread (buff, 1, NMAX, stdin); ^ user.cpp:111:61: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (bp == NMAX) bp = 0, fread (buff, 1, NMAX, stdin);; ^ user.cpp:119:61: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (bp == NMAX) bp = 0, fread (buff, 1, NMAX, stdin);; ^ user.cpp: In function ‘void get(int&)’: user.cpp:86:56: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (bp > NMAX) bp = 0, fread (buff, 1, NMAX, stdin); ^ user.cpp:91:61: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (bp == NMAX) bp = 0, fread (buff, 1, NMAX, stdin);; ^ user.cpp:99:61: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] if (bp == NMAX) bp = 0, fread (buff, 1, NMAX, stdin);; ^