Compilare: user.cpp: In function ‘void Solve()’: user.cpp:56:33: warning: variable ‘pos’ set but not used [-Wunused-but-set-variable] int st = 0, dr = 100, res = 0,pos=0; ^ user.cpp: In function ‘void Read()’: user.cpp:13:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lapte.in", "r", stdin); ^ user.cpp:14:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &N, &L); ^ user.cpp:16:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",A+i,B+i); ^ user.cpp: In function ‘void Solve()’: user.cpp:69:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lapte.out", "w", stdout); ^