题目链接
https://www.patest.cn/contests/pat-a-practise/1028
思路
就按照 它的三种方式 设计 comp 函数 然后快排就好了
但是 如果用 c++ 中的 string 保存名字的话 就会超时
所以 用 c 里面的 char *s 就可以过
AC代码
#include <cstdio>
#include <cstring>
#include <ctype.h>
#include <cstdlib>
#include <cmath>
#include <climits>
#include <ctime>
#include <iostream>
#include <algorithm>
#include <deque>
#include <vector>
#include <queue>
#include <string>
#include <map>
#include <stack>
#include <set>
#include <numeric>
#include <sstream>
#include <iomanip>
#include <limits>
#define CLR(a) memset(a, 0, sizeof(a))
#define pb push_back
using namespace std;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef pair<string, int> psi;
typedef pair<string, string> pss;
const double PI = 3.14159265358979323846264338327;
const double E = exp(1);
const double eps = 1e-30;
const int INF = 0x3f3f3f3f;
const int maxn = 1e5 + 5;
const int MOD = 1e9 + 7;
struct Node
{
int id, g;
char name[10];
}a[maxn];
bool comp_1(Node x, Node y)
{
return x.id < y.id;
}
bool comp_2(Node x, Node y)
{
if (strcmp(x.name, y.name) == 0)
return x.id < y.id;
return strcmp(x.name, y.name) > 0 ? 0 : 1;
}
bool comp_3(Node x, Node y)
{
if (x.g == y.g)
return x.id < y.id;
return x.g < y.g;
}
int main()
{
int n, c;
scanf("%d%d", &n, &c);
for (int i = 0; i < n; i++)
scanf("%d%s%d", &a[i].id, &a[i].name, &a[i].g);
if (c == 1)
sort(a, a + n, comp_1);
else if (c == 2)
sort(a, a + n, comp_2);
else if (c == 3)
sort(a, a + n, comp_3);
for (int i = 0; i < n; i++)
printf("%06d %s %d
", a[i].id, a[i].name, a[i].g);
}