uva-10474-枚举-水题

  题意:看代码

#include<stdio.h>
#include<iostream>
#include<sstream>
#include<queue>
#include<map>
#include<memory.h>
#include <math.h>
#include<time.h>
#include <stdlib.h>
#include <algorithm>
using namespace std;
#define N 12000
int a[N];
int n, m;

void sort()
{
	for(int i = 0; i < n; i++)
		for(int j = 1; j < n - i; j++)
			if(a[j - 1] > a[j])
			{
				int t = a[j - 1];
				a[j - 1] = a[j];
				a[j] = t;
			}
}
int find(int k)
{
	for(int i = 0; i < n; i++)
	{
		if(!(a[i] ^ k))
			return i;
	}
	return -1;
}
int sort(const void* a, const void* b)
{
	int *pa = (int*) a;
	int *pb = (int*) b;
	return (*pa) - (*pb);
}
int main(const int argc, char** argv)
{
	//freopen("d:\1.txt", "r", stdin);
	int t = 1;
	while (scanf("%d %d", &n, &m))
	{
		if(m == n && n == 0)
			return 0;
		printf("CASE# %d:
", t);
		t++;
		for(int i = 0; i < n; i++)
			scanf("%d", a + i);
		qsort(a, n, sizeof(int), sort);
		int k = 0;
		for(int i = 0; i < m; i++)
		{
			scanf("%d", &k);
			int kk = -1;
			if((-1 ^ (kk = find(k))))
			{
				printf("%d found at %d
", k, kk + 1);
			}
			else
			{
				printf("%d not found
", k);
			}
		}
	}

}

  冒泡排序。。。时间1.2s

       快排。。。时间 390ms

原文地址:https://www.cnblogs.com/shuiyonglewodezzzzz/p/7835441.html