PAT 甲级 1028. List Sorting (25) 【结构体排序】

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);
}






原文地址:https://www.cnblogs.com/Dup4/p/9433195.html