Compilare: user.cpp: In function ‘void rez()’: user.cpp:91:31: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(f1,"%d",a[3][3]); ^ user.cpp:38:13: warning: unused variable ‘n1’ [-Wunused-variable] int n1=n+1; ^ user.cpp: In function ‘void citire()’: user.cpp:9:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&t); ^ user.cpp:10:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&k); ^