计蒜客蓝桥杯模拟赛5 解方程

#include<iostream>

using namespace std;

int main()
{
    int tmp = 0x3f3f3f3f;
    for(int x = 1; x <= 2739/11;x++)
    {
        for(int y = 1; y <= 2739/13; y++)
        {
            for(int z = 1; z <= 2739/11; z++)
            {
                if(11*x+13*y+17*z==2471&&13*x+17*y+11*z==2739)
                {
                    if(x+y+z<=tmp)
                    {
                        //cout << x <<" "<< y <<" "<< z<<endl;
                        tmp = x+y+z;
                    }
                }
            }
        }
    } 
    cout << tmp;//181
}