Eroare de compilare: user.cpp:3:1: error: ‘string’ does not name a type string nr; ^ user.cpp: In function ‘int main()’: user.cpp:8:18: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘int’ [-Wformat=] scanf("%d", n); ^ user.cpp:12:13: error: ‘nr’ was not declared in this scope nr=char(i+48)+nr; ^ user.cpp:15:18: error: ‘nr’ was not declared in this scope printf("%d", nr); ^ user.cpp:6:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("g2.in","r",stdin); ^ user.cpp:7:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("g2.out","w",stdout); ^ user.cpp:8:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", n); ^