Compilare: user.cpp: In function ‘void solve()’: user.cpp:25:44: warning: too many arguments for format [-Wformat-extra-args] printf("%d 1\n", v[n] + 1, v[n + 1] + 1); ^ user.cpp: In function ‘void read()’: user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rez.in", "r", stdin); ^ user.cpp:8:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp: In function ‘void solve()’: user.cpp:13:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("rez.out", "w", stdout); ^