Eroare de compilare: user.c:1:19: error: iostream: No such file or directory user.c:3: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘namespace’ user.c:4: error: two or more data types in declaration specifiers user.c: In function ‘main’: user.c:43: warning: format ‘%d’ expects type ‘int *’, but argument 3 has type ‘long int *’ user.c:44: warning: format ‘%d’ expects type ‘int’, but argument 3 has type ‘long int’ user.c:43: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result