asd

#include "iostream"
using namespace std;

int i,j,n;
bool isValid(int n){
    while( n != 0 ){
        int x = n % 10;
        if( x == 0 || x == 1 ) return false;
        n /= 10;
    }
    return true;
}

bool isEvenNumber(int n){
    return !(n%2);
}

void drawTriangle(int x){
    for( i = 1 ; i <= x ; ++i ){
        for( j = 1 ; j <= i ; ++j ) cout << j << " ";
        cout << endl;
    }
}

void drawSquare(int x){
    for( i = 1 ; i <= x ; ++i){
        for( j = 1 ; j <= x ; ++j) cout << j << " ";
        cout << endl;
    }
}

int main(int argc, char **argv){
    while( true ){
        cout << "Insert positive integer : ";
        cin >> n;
        if( !n ) continue;
        if( isValid(n) ) break;
    }

    while( n != 0 ){
        int x = n % 10;
        if( isEvenNumber(n) ) drawTriangle(x);
        else drawSquare(x);
        n /= 10;
        cout << endl;
    }
    return 0;
}