Compilare: user.cpp: In function ‘void afish()’: user.cpp:87:9: warning: unused variable ‘demers’ [-Wunused-variable] int demers = (n % 2 == 1 ? n / 2 + 1 : n / 2); ^ user.cpp: In function ‘int main()’: user.cpp:107:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("triunghi.in", "r", stdin); ^ user.cpp:108:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("triunghi.out", "w", stdout); ^ user.cpp:110:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &s); ^