Rezumat problemă

CautariLiniare

#4037

Se dă un șir a1, a2, …, an de numere întregi. Se dau de asemenea numerele întregi x și k. Să se determine:
a) Cea mai din stânga poziție p din șir cu a[p] = x
b) Cea mai din dreapta poziție q din șir cu a[q] = x
c) Poziția r a celei de-a k-a apariții a lui x în șir.

Folclorul informatic

Consola Pracsiu Dan (dnprx) Dan Pracsiu ușoară

Clasa 9 Tablouri unidimensionale (vectori) Parcurgerea vectorilor

Rezolvă

Detalii

Problema	CautariLiniare	Operații I/O	tastatură/ecran
Limita timp	0.1 secunde	Limita memorie	Total: 64 MB / Stivă 8 MB
Id soluție	#64861354	Utilizator	Popa Alexandru (PopaAlexPetru)
Fișier	cautariliniare.cpp	Dimensiune	334 B
Data încărcării	08 Iunie 2026, 09:19	Scor/rezultat	Eroare de compilare

Evaluare

Mesaj compilare

cautariliniare.cpp: In function ‘int main()’:
cautariliniare.cpp:5:15: error: expected initializer before ‘x’
    5 | {int n,v[2000]x,k,p,q,r;
      |               ^
cautariliniare.cpp:9:8: error: ‘v’ was not declared in this scope
    9 |     if(v[i]==x)
      |        ^
cautariliniare.cpp:9:14: error: ‘x’ was not declared in this scope
    9 |     if(v[i]==x)
      |              ^
cautariliniare.cpp:11:12: error: ‘p’ was not declared in this scope
   11 |         if(p==-1);
      |            ^
cautariliniare.cpp:11:9: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   11 |         if(p==-1);
      |         ^~
cautariliniare.cpp:12:12: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   12 |            p=i+1;
      |            ^
cautariliniare.cpp:12:12: error: ‘p’ was not declared in this scope
cautariliniare.cpp:13:9: error: ‘q’ was not declared in this scope
   13 |         q=i+1;
      |         ^
cautariliniare.cpp:14:9: error: ‘o’ was not declared in this scope
   14 |         o++;
      |         ^
cautariliniare.cpp:17:7: error: ‘o’ was not declared in this scope
   17 |    if(o==k)
      |       ^
cautariliniare.cpp:17:10: error: ‘k’ was not declared in this scope
   17 |    if(o==k)
      |          ^
cautariliniare.cpp:19:8: error: ‘r’ was not declared in this scope
   19 |        r=i+1,o++;
      |        ^
cautariliniare.cpp:21:7: error: ‘p’ was not declared in this scope
   21 |    if(p==-1)
      |       ^
cautariliniare.cpp:23:7: error: ‘p’ was not declared in this scope
   23 | cout<<p<<endl<<q<<endl<<r;
      |       ^
cautariliniare.cpp:23:16: error: ‘q’ was not declared in this scope
   23 | cout<<p<<endl<<q<<endl<<r;
      |                ^
cautariliniare.cpp:23:25: error: ‘r’ was not declared in this scope
   23 | cout<<p<<endl<<q<<endl<<r;
      |                         ^
cautariliniare.cpp:25:2: error: expected ‘}’ at end of input
   25 | }
      |  ^
cautariliniare.cpp:5:1: note: to match this ‘{’
    5 | {int n,v[2000]x,k,p,q,r;
      | ^

Cum funcționează evaluarea?