Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:8:6: error: ‘i’ was not declared in this scope for(i=1;i<=u;i++) ^ user.cpp:11:6: error: ‘i’ was not declared in this scope for(i=1;i<=n;i++) ^ user.cpp:13:14: error: ‘m’ was not declared in this scope scanf("%d",&m); ^ user.cpp:14:6: error: ‘i’ was not declared in this scope for(i=1;i<=m;i++) ^ user.cpp:17:6: error: ‘i’ was not declared in this scope for(i=1;i<=n;i++) ^ user.cpp:18:7: error: ‘j’ was not declared in this scope for(j=1;j<=u;j++) ^ user.cpp:5:31: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("plaja.in","r",stdin); ^ user.cpp:6:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("plaja.out","w",stdout); ^ user.cpp:7:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&a,&b,&u); ^ user.cpp:10:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^