跳出循环为什么结果是value 0

#include<stdio.h>
int main()
{
    int x=2,one,two,five,z=1;
   
    for(one=1;one<x*10;one++)
    {
        for(two=1;two<x*5;two++)
        {   
            for(five=1;five<x*2;five++)
            {
                if(one+two*2+five*5==x*10)
                printf("用%d个一角加%d个两角加%d个五角得到%d元\n",one,two,five,x);
                z=0;
                break;
            }
        if(z==0)
        break;
        }
    if(z==0)
    break;
        
    }

    return 0;
}



--------------------------------
Process exited after 0.02476 seconds with return value 0
请按任意键继续. . .