HDU 5978 To begin or not to begin (概率数学)
2016-12-05 15:17
453 查看
D - To begin or not to begin
题意:给你n个球,里面只有1个红球,其余的都是黑球,谁先摸到红球谁赢,问先摸赢得概率大,还是后摸赢得概率大,还是一样大。
思路:明白一点,像这种的,无论是拿了放回,还是拿了不放回,他们的中奖概率一直是一样的,拿了不放回的,从始至终概率始终是一样的。。所以答案就是 谁拿的次数多 谁就赢的概率大。。所以奇数就多拿一次,偶数两个人的次数一样
#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
int main()
{
int n;
while(~scanf("%d", &n))
{
n += 1;
if(n&1)
printf("1\n");
else
printf("0\n");
}
return 0;
}
相关文章推荐
- HDU 5978 To begin or not to begin(概率)
- hdu 5978 · To begin or not to begin【概率题】【手速题】
- HDU 5978 To begin or not to begin(概率)
- hdu 5978 To begin or not to begin(概率期望)
- hdu 5978 To begin or not to begin(概率,找规律)
- HDU 5978 To begin or not to begin(水题)
- HDU 5978 icpc 大连 To begin or not to begin
- HDU 5978 && 2016ICPC大连 H: To begin or not to begin
- hdu 5978 To begin or not to begin
- hdu 5978 To begin or not to begin
- HDU 5978 To begin or not to begin (简单博弈--找规律)
- 【HDOJ5978】To begin or not to begin(概率)
- HDU 5978 To begin or not to begin
- HDU5978 To begin or not to begin(概率+规律)
- 2016ICPC大连站 H - To begin or not to begin【概率】
- ICPC 2016 DALIAN H To begin or not to begin
- POJ1644:To Bet or Not To Bet(概率DP)
- HDU - 3031 To Be Or Not To Be (左偏树模板)
- HDU 3031 To Be Or Not To Be(左偏树)
- POJ-1644 To Bet or Not To Bet(概率DP)