Compilare: user.cpp: In function ‘void Read()’: user.cpp:17:32: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘short unsigned int*’ [-Wformat=] scanf("%d",&a[i][j]); ^ user.cpp:21:45: warning: large integer implicitly truncated to unsigned type [-Woverflow] for(i=0;i<=n+1;i++) a[i][0] = a[i][m+1] = 70000; ^ user.cpp:22:45: warning: large integer implicitly truncated to unsigned type [-Woverflow] for(i=0;i<=m+1;i++) a[0][i] = a[n+1][i] = 70000; ^ user.cpp:13:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ user.cpp:17:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i][j]); ^ user.cpp: In function ‘int main()’: user.cpp:74:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bila.in","r",stdin); ^ user.cpp:75:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bila.out","w",stdout); ^