min in an array

t9e06.minVec.cpp

// t9e06.minVec.cpp
// juanfc 2023-11-14
//

#include <iostream>
#include <array>
using namespace std;

// consts
const int N=3;

// types
typedef array<float,N> TVec;

// prototypes
void writeArr(TVec a);
int minVec(TVec a);

int main()
{

    TVec a = {{1, -22, 0}};
    writeArr(a); cout << endl;
    cout << "Min value in it: "
         << minVec(a)   // 1
         << endl;
    a = (TVec){{0, 1, 0}};
    writeArr(a); cout << endl;
    cout << "Min value in it: "
         << minVec(a)   // 0
         << endl;
    return 0;
}

int minVec(TVec a)
{
    int min = a[0];
    for (int i = 1; i < N; ++i)
        if (a[i] < 0) min = a[i];
    return min;
}

void writeArr(TVec a)
{
    for (int i = 0; i < N; ++i)
        cout << a[i] << " ";
}