Compilare: user.cpp: In function ‘void sol()’: user.cpp:97:15: warning: unused variable ‘k’ [-Wunused-variable] int i, j, k, x, y, xx, yy, dir; ^ user.cpp:97:24: warning: unused variable ‘xx’ [-Wunused-variable] int i, j, k, x, y, xx, yy, dir; ^ user.cpp:97:28: warning: unused variable ‘yy’ [-Wunused-variable] int i, j, k, x, y, xx, yy, dir; ^ user.cpp: In function ‘int main()’: user.cpp:162:9: warning: unused variable ‘t’ [-Wunused-variable] int t; ^ user.cpp:159:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("distractie.in", "r", stdin); ^ user.cpp:160:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("distractie.out", "w", stdout); ^