Compilare: user.cpp: In function ‘int main()’: user.cpp:22:28: warning: format ‘%u’ expects argument of type ‘unsigned int*’, but argument 3 has type ‘short unsigned int*’ [-Wformat=] fscanf(fi,"%u %u",&n,&m); ^ user.cpp:22:28: warning: format ‘%u’ expects argument of type ‘unsigned int*’, but argument 4 has type ‘short unsigned int*’ [-Wformat=] user.cpp:25:48: warning: format ‘%u’ expects argument of type ‘unsigned int*’, but argument 3 has type ‘short unsigned int*’ [-Wformat=] for(j=1;j<=m;j++) fscanf(fi,"%u",&a[i][j]); ^ user.cpp:22:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%u %u",&n,&m); ^ user.cpp:25:49: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(j=1;j<=m;j++) fscanf(fi,"%u",&a[i][j]); ^