#include "stdafx.h"
#include "iostream"
using namespace std;


int main()
{
	int N = 4;
	char str1[] = "1011";
	char str2[] = "1000";
	for (int i = 0; i < N; i++)
		cout << (str1[i] == str2[i] ? str1[i] : '-');
    return 0;
}

#include "stdafx.h"
#include <iostream>
#include <math.h>
 
using namespace std;
unsigned int vvod(char str1[], int n)
{
    unsigned int b = 0;
    for (int i = 0; i<n; i++)
        if (str1[i] == '1') b = b | (1<<(n - i - 1));
    return b;
}
 
 
int main()
{
    unsigned int b = 0, a = 0; 
    int  n, k;
    char str1[32], str2[32]; 
    cout<<"vvedite vektor 1:"<<"\n";
    gets_s(str1);
    n = strlen(str1);
    cout<<"vvedite vektor 2:"<<"\n";
    gets_s(str2);
    bool fl = true;
    for (int i = 0; i < n && fl; i++)
        fl = fl && (str1[i] >= str2[i]);
    if (fl)
        for (int i = 0; i < n; i++)
        cout  << (str1[i] == str2[i] ? str1[i] : '-');  
    else
        cout << "ne interval\n";
    return 0;
}