第一次：（20分）

#include<bits/stdc++.h>
using namespace std;
signed  main()
{
	int a,b,c,d,x;
	cin >> a >> b >> c; 
	if (a<b)
	{
	    a=b=d;
	}
	if (a<c)
	{
	    a=c=d;
	}
	if (b<c)
	{
	    b=c=d;
	}
	cout << a << " " << b << " " << c <<endl;
	return 0;
}

第二次：（60分）

#include <bits/stdc++.h>
using namespace std;
signed main()
{
    int a,b,c;
    cin >> a >> b >> c;
    if (a<b&&b<c)
        cout << a << " " << b << " " << c << endl;
    else if (a<c&&c<b)
        cout << a << " " << c << " " << b << endl;        
    else if (b<a&&a<c)
        cout << b << " " << a << " " << c << endl;        
    else if (b<c&&c<a)
        cout << b << " " << c << " " << a << endl;        
    else if (c<a&&a<b)
        cout << c << " " << a << " " << b << endl;        
    else if (c<b&&b<c)
        cout << c << " " << b << " " << a << endl;        
    return 0;
}

第三次：（80分）

#include <bits/stdc++.h>
using namespace std;
signed main()
{
    int a,b,c;
    cin >> a >> b >> c;
    if (a<=b&&b<=c)
        cout << a << " " << b << " " << c << endl;
    else if (a<=c&&c<=b)
        cout << a << " " << c << " " << b << endl;        
    else if (b<=a&&a<=c)
        cout << b << " " << a << " " << c << endl;        
    else if (b<=c&&c<=a)
        cout << b << " " << c << " " << a << endl;        
    else if (c<=a&&a<=b)
        cout << c << " " << a << " " << b << endl;        
    else if (c<=b&&b<=c)
        cout << c << " " << b << " " << a << endl;        
    return 0;
}

第四次：（80分）

#include <bits/stdc++.h>
using namespace std;
signed main()
{
    int a,b,c;
    cin >> a >> b >> c;
    if (a<b&&b<c)
        cout << a << " " << b << " " << c << endl;
    else if (a<c&&c<b)
        cout << a << " " << c << " " << b << endl;        
    else if (b<a&&a<c)
        cout << b << " " << a << " " << c << endl;        
    else if (b<c&&c<a)
        cout << b << " " << c << " " << a << endl;        
    else if (c<a&&a<b)
        cout << c << " " << a << " " << b << endl;        
    else if (c<b&&b<a)
        cout << c << " " << b << " " << a << endl;        
    return 0;
}

第五次：（80分）

#include <bits/stdc++.h>
using namespace std;
signed main()
{
    int a,b,c;
    cin >> a >> b >> c;
    if (a<b&&b<c)
        cout << a << " " << b << " " << c << endl;
    else if (a<c&&c<b)
        cout << a << " " << c << " " << b << endl;        
    else if (b<a&&a<c)
        cout << b << " " << a << " " << c << endl;        
    else if (b<c&&c<a)
        cout << b << " " << c << " " << a << endl;        
    else if (c<a&&a<b)
        cout << c << " " << a << " " << b << endl;        
    else if (c<b&&b<a)
        cout << c << " " << b << " " << a << endl;        
    return 0;
}

传送门
P5715 【深基3.例8】三位数排序