Compilare: user.cpp: In function ‘int main()’: user.cpp:95:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("carici.in", "r", stdin); ^ user.cpp:97:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cartite.in", "r", stdin); ^ user.cpp:98:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cartite.out", "w", stdout); ^ user.cpp:100:73: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d%d%d", &task, &n, &m, &x_start, &y_start, &foxes_cnt); ^ user.cpp:102:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &x, &y, &k); ^ user.cpp:120:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &galleries_cnt); ^ user.cpp:123:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &x1, &y1, &x2, &y2); ^ user.cpp: In function ‘void solve1()’: user.cpp:75:29: warning: ‘sol_y’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << sol_x << " " << sol_y << " " << min << "\n"; ^ user.cpp:75:13: warning: ‘sol_x’ may be used uninitialized in this function [-Wmaybe-uninitialized] cout << sol_x << " " << sol_y << " " << min << "\n"; ^