第9讲7

#include <iostream>
#include <algorithm>

using namespace std;

const int N = 10010;

struct Data
{
    int x;
    double y;
    string z;

    bool operator< (const Data &t) const
    {
        return x < t.x;
    }
}a[N];

int main()
{
    int n;
    cin >> n;

    for (int i = 0; i < n; i++) cin >> a[i].x >> a[i].y >> a[i].z;

    sort(a, a + n);
    for (int i = 0; i < n; i++)
    {
        printf("%d %.2lf %s\n", a[i].x, a[i].y, a[i].z.c_str()); 
    }
    return 0;
}