Compilare: user.cpp: In function ‘void afisMat(short int (*)[59], unsigned int)’: user.cpp:19:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=1;i<=n;i++) ^ user.cpp:21:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=1;j<=n;j++) ^ user.cpp: In function ‘int main()’: user.cpp:43:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%u",&n); ^ user.cpp:48:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%u",&pir[lvl][i][j]); ^