Rezumat problemă

Fill

#837

Se dă o matrice cu n linii și m coloane și elemente 0 sau 1, care reprezintă harta unei planete, în care 1 înseamnă uscat, iar 0 înseamnă apă. Două elemente 1 care se învecinează pe linie sau pe coloană (nu și pe diagonală) fac parte din același continent.

Să se determine câte continente sunt pe hartă.

Fișiere Candale Silviu (silviu) ușoară

Clasa 10 Recursivitate Probleme diverse Fill

Rezolvă

Detalii

Problema	Fill	Operații I/O	fill.in/fill.out
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64702346	Utilizator	Cotoi Raisa (Raisax)
Fișier	fill.cpp	Dimensiune	799 B
Data încărcării	25 Mai 2026, 08:30	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

fill.cpp:5:13: error: variable ‘std::ifstream fin’ has initializer but incomplete type
    5 | ifstream fin("fill.in")
      |             ^
fill.cpp:6:1: error: expected ‘,’ or ‘;’ before ‘ofstream’
    6 | ofstream fout("fill.out")
      | ^~~~~~~~
fill.cpp:9:20: error: expected unqualified-id before ‘,’ token
    9 | int dx[]={0,0,1,-1}, dy[]={1,-1,0,0};
      |                    ^
fill.cpp:9:26: error: expected constructor, destructor, or type conversion before ‘=’ token
    9 | int dx[]={0,0,1,-1}, dy[]={1,-1,0,0};
      |                          ^
fill.cpp: In function ‘void fill(int, int, int)’:
fill.cpp:12:5: error: ‘a’ was not declared in this scope
   12 |     a[i][j]=valoare;
      |     ^
fill.cpp:14:16: error: ‘dx’ was not declared in this scope
   14 |         if(a[i+dx[k]][j+dy[k]]==-1)
      |                ^~
fill.cpp:14:25: error: ‘dy’ was not declared in this scope
   14 |         if(a[i+dx[k]][j+dy[k]]==-1)
      |                         ^~
fill.cpp: In function ‘int main()’:
fill.cpp:19:10: error: ‘n’ was not declared in this scope
   19 |     fin>>n>>m;
      |          ^
fill.cpp:19:13: error: ‘m’ was not declared in this scope; did you mean ‘tm’?
   19 |     fin>>n>>m;
      |             ^
      |             tm
fill.cpp:22:14: error: ‘a’ was not declared in this scope
   22 |         fin>>a[i][j,a[i][j]=-a[i][j];
      |              ^
fill.cpp:22:37: error: expected ‘]’ before ‘;’ token
   22 |         fin>>a[i][j,a[i][j]=-a[i][j];
      |                                     ^
      |                                     ]
fill.cpp:25:9: error: ‘a’ was not declared in this scope
   25 |         a[i][0]=a[i][m+1]=0;
      |         ^
fill.cpp:27:9: error: ‘a’ was not declared in this scope
   27 |         a[0][j]=a[n+1][j]=0
      |         ^
fill.cpp:29:9: error: ‘i’ was not declared in this scope
   29 |     for(i=1;i<=n;++)
      |         ^
fill.cpp:29:20: error: expected primary-expression before ‘)’ token
   29 |     for(i=1;i<=n;++)
      |                    ^
fill.cpp:31:12: error: ‘a’ was not declared in this scope
   31 |         if(a[i][j]==-1)
      |            ^
fill.cpp:33:9: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
   33 |         cnt++;
      |         ^~~
      |         int
fill.cpp:36:5: error: ‘fout’ was not declared in this scope
   36 |     fout<<cnt;
      |     ^~~~
fill.cpp:36:11: error: ‘cnt’ was not declared in this scope; did you mean ‘int’?
   36 |     fout<<cnt;
      |           ^~~
      |           int

Cum funcționează evaluarea?