Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:10:14: error: ‘i’ does not name a type register i,j,k; ^ user.cpp:12:9: error: ‘i’ was not declared in this scope for(i=1;i<=n;i++){ ^ user.cpp:13:13: error: ‘j’ was not declared in this scope for(j=1;j<=n;j++){ ^ user.cpp:21:9: error: ‘k’ was not declared in this scope for(k=2;k<=n;k++) ^ user.cpp:24:13: error: ‘i’ was not declared in this scope for(i=k;i<=n;i++) ^ user.cpp:25:14: error: ‘j’ was not declared in this scope for(j=k;j<=n;j++) ^ user.cpp:7:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("custi.in","r",stdin); ^ user.cpp:8:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("custi.out","w",stdout); ^ user.cpp:11:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:14:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&x); ^