ad nr compl 1

#include <iostream>
#include <cstring>
#include <stdio.h>
#include <stdlib.h>
using namespace std;

typedef struct
{
    float real, im;
} complexNr;

int main()
{
    char s[100], *p, sep[] = " +-i";
    complexNr a, b, sum, prod;

    cout << "a si b - complexe forma:x+yi" << endl;
    cout << "a este:" << endl;
    gets(s);
    int pozsim = 0;
    for (int i = 1; s[i] && !pozsim; i++)
        if (s[i] == '-')
            pozsim = i;

    if (s[0] == '-')
        a.real = -1;
    else
        a.real = 1;
    p = strtok(s, sep);
    a.real *= atof(p);
    p = strtok(NULL, sep);
    a.im = atof(p);
    if (pozsim)
        a.im = -a.im;

    cout << "b este:" << endl;
    gets(s);
    pozsim = 0;
    for (int i = 1; s[i] && !pozsim; i++)
        if (s[i] == '-')
            pozsim = i;
    if (s[0] == '-')
        b.real = -1;
    else
        b.real = 1;
    p = strtok(s, sep);
    b.real *= atof(p);
    p = strtok(NULL, sep);
    b.im = atof(p);
    if (pozsim)
        b.im = -b.im;

    sum.real = a.real + b.real;
    sum.im = a.im + b.im;
    cout << "suma: ";
    cout << sum.real;
    if (sum.im >= 0)
        cout << '+';
    cout << sum.im << 'i' << endl;

    prod.real = a.real * b.real - a.im * b.im;
    prod.im = a.real * b.im + a.im * b.real;
    cout << "produs: ";
    cout << prod.real;
    if (prod.im >= 0)
        cout << '+';
    cout << prod.im << 'i';//*/
    return 0;
}