Rezumat problemă

ElimLinii

#774

Se dă o matrice cu n linii şi m coloane şi elemente numere naturale. Să se elimine din matrice toate liniile care încep cu un număr prim și apoi să se afișeze matricea.

Consola Candale Silviu (silviu) medie

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor oarecare

Rezolvă

Detalii

Problema	ElimLinii	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64679188	Utilizator	Timoc Darius (Timoc_Darius)
Fișier	elimlinii.cpp	Dimensiune	842 B
Data încărcării	22 Mai 2026, 10:41	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

elimlinii.cpp: In function ‘bool isPrime(int)’:
elimlinii.cpp:8:22: error: expected ‘;’ before ‘if’
    8 |  if(x<2) return false
      |                      ^
      |                      ;
    9 |  if(x>2 && x%2==0) return false;
      |  ~~                   
elimlinii.cpp: In function ‘int main()’:
elimlinii.cpp:34:12: error: ‘isPrim’ was not declared in this scope; did you mean ‘isPrime’?
   34 |         if(isPrim(M[i][0]))
      |            ^~~~~~
      |            isPrime
elimlinii.cpp:35:20: warning: left operand of comma operator has no effect [-Wunused-value]
   35 |             sterge[M,n,m,i];
      |                    ^
elimlinii.cpp:35:24: warning: right operand of comma operator has no effect [-Wunused-value]
   35 |             sterge[M,n,m,i];
      |                        ^
elimlinii.cpp:35:26: warning: right operand of comma operator has no effect [-Wunused-value]
   35 |             sterge[M,n,m,i];
      |                          ^
elimlinii.cpp:35:27: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   35 |             sterge[M,n,m,i];
      |                           ^
elimlinii.cpp:35:27: warning: value computed is not used [-Wunused-value]
   35 |             sterge[M,n,m,i];
      |             ~~~~~~~~~~~~~~^
elimlinii.cpp:35:27: warning: statement has no effect [-Wunused-value]
elimlinii.cpp:33:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   33 |     for(int i=0;i<n;i++)
      |     ^~~
elimlinii.cpp:37:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   37 |         for(int i=0;i<n;i++){
      |         ^~~

Cum funcționează evaluarea?