Compilare: user.cpp: In function ‘void solve()’: user.cpp:13:12: warning: unused variable ‘x’ [-Wunused-variable] int i, x, y; ^ user.cpp: In function ‘void read()’: user.cpp:8:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("clasament.in", "r", stdin); ^ user.cpp:9:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &j); ^ user.cpp: In function ‘void solve()’: user.cpp:18:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &y); ^ user.cpp: In function ‘void write()’: user.cpp:30:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("clasament.out", "w", stdout); ^