Compilare: user.cpp: In function ‘void Read()’: user.cpp:17:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &M, &N, &teste); ^ user.cpp:21:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &m_init[i][j]); ^ user.cpp: In function ‘void Solve()’: user.cpp:114:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &dx, &dy); ^ user.cpp: In function ‘int main()’: user.cpp:124:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("struti.in", "r", stdin); ^ user.cpp:125:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("struti.out", "w", stdout); ^