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ProgDan/stl_queue.cpp

Created March 28, 2011 00:24
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  1. ProgDan created this gist Mar 28, 2011.
    69 changes: 69 additions & 0 deletions stl_queue.cpp
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,69 @@
    #include <iostream>
    #include <queue>

    using namespace std;

    int menu(){
    int op;
    cout << "Menu" << endl;
    cout << endl << "1) Inserir elemento na fila";
    cout << endl << "2) Remover elemento da fila";
    cout << endl << "3) Exibir primeiro da fila";
    cout << endl << "4) Exibir último da fila";
    cout << endl << "0) Sair";
    cout << endl << endl << "Qual sua opção? ";
    cin >> op;
    cout << endl;
    return op;
    }

    void Inserir(queue<int> &F){
    int v;
    cout << "Qual o valor a ser inserido na fila? ";
    cin >> v;
    F.push(v);
    }

    int Remover(queue<int> &F){
    int x;
    x = F.front();
    return x;
    }

    int Primeiro(queue<int> &F){
    return F.back();
    }

    int main(int argc, char *argv[]){
    queue<int> F;
    int op, x;
    do {
    op = menu();
    if (op >= 2 && op <= 4 && F.empty()){
    cout << "File vazia" << endl;
    system("pause");
    }
    else
    switch (op){
    case 1:
    Inserir(F);
    break;
    case 2:
    x = Remover(F);
    cout << "Valor " << x << " removido da fila" << endl;
    system("pause");
    break;
    case 3:
    x = Primeiro(F);
    cout << "Primeiro da fila: " << x << endl;
    system("pause");
    break;
    case 4:
    x = Ultimo(F);
    cout << "Ultimo da fila: " << x << endl;
    system("pause");
    break;
    }
    } while(op != 0);
    return 0;
    }