HDOJ.1029 Ignatius and the Princess IV(map)
Ignatius and the Princess IV
题意分析
给出一个奇数n,下面有n个数,找出下面数字中出现次数大于(n+1)/2的数字,并输出。
用map做出映射,然后迭代器检查是否满足输出条件,是的话输出即可。
代码总览
/*
Title:HDOJ.1029
Author:pengwill
Date:2016-11-21
*/
#include <iostream>
#include <stdio.h>
#include <map>
using namespace std;
typedef map<int,int> mp;
mp p;
int main()
{
int n,temp,t;
while(scanf("%d",&n)!= EOF){
t = n;
while(n--){
scanf("%d",&temp);
p[temp]++;
}
mp::iterator iter;
temp = 1;
for(iter = p.begin();iter!=p.end();iter++){
//cout<<iter->first<<"\t"<<iter->second<<endl;
if(iter->second >= ((t+1)/2)){
printf("%d\n",iter->first);
break;
}
}
p.clear();
}
return 0;
}