Rezumat problemă

CntLinii

#776

Se dă o matrice cu n linii şi m coloane şi elemente numere naturale. Să se determine câte linii ale matricei au toate elementele egale.

Consola Candale Silviu (silviu) medie

Clasa 9 Tablouri bidimensionale (matrice) Parcurgerea matricelor oarecare

Rezolvă

Detalii

Problema	CntLinii	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64800537	Utilizator	Anghelache Stefan (nafets777)
Fișier	cntlinii.cpp	Dimensiune	421 B
Data încărcării	02 Iunie 2026, 10:40	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

cntlinii.cpp: In function ‘int main()’:
cntlinii.cpp:8:5: error: ‘cin’ was not declared in this scope
    8 |     cin>>n>>m;
      |     ^~~
cntlinii.cpp:2:1: note: ‘std::cin’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?
    1 | #include <cmath>
  +++ |+#include <iostream>
    2 | using namespace std;
cntlinii.cpp:10:5: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
   10 |     for(int i=1; i<=n; i++)
      |     ^~~
cntlinii.cpp:13:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
   13 |         for(int i=1; i<=n; i++)
      |         ^~~
cntlinii.cpp:15:20: warning: comparison between two arrays [-Warray-compare]
   15 |             if(A[j]!=A[j+1]){
      |                ~~~~^~~~~~~~
cntlinii.cpp:15:20: note: use unary ‘+’ which decays operands to pointers or ‘&(A[j])[0] != &(A[(j + 1)])[0]’ to compare the addresses
cntlinii.cpp:21:9: error: ‘cout’ was not declared in this scope
   21 |         cout<<c;
      |         ^~~~
cntlinii.cpp:21:9: note: ‘std::cout’ is defined in header ‘<iostream>’; did you forget to ‘#include <iostream>’?

Cum funcționează evaluarea?