The Problem is about count the whole area of some overlapped circles..
All the circle’s radius is one;
Input the coordinate of the centre of the circle..
And print the area at the screen. （accurate to 0.01）
Sample Input
3
1 1
1 2
2 2
Sample Output
6.84
?View Code C#include<stdio.h>
#include<math.h>
int n;
const double pi=3.1415926535897932384626433832795;
double sum;
FILE *fo,*fp;
typedef struct ss
{
int x;
[...]
USACO Training 4.2.1
USACO TEST 1993
Drainage Ditches
Time Limit: 1000MS Memory Limit: 10000K
Total Submissions: 17437 Accepted: 6276
Description
Every time it rains on Farmer John’s fields, a pond forms over Bessie’s favorite clover patch. This means that the clover is covered by water for awhile and takes quite a long time to regrow. Thus, Farmer John has built a [...]
Nowadays,I found that Lady Gaga is everywhere around our life..
In newspapers,magezines,books,websites,and so on.
In China,there are also many fans.
I think the reason must be her strange-looking.
She’s so fashion,that many famous people would love to see her..
In Chinese some people say she is “LEI”(雷),it means something or somebody is surprised or even makes other people thunderstruck,shocked..
Anyway she is really special [...]
My favourite singer,Mai Kuraki,will release a new single on March 3rd,2010.
It’s a happy and lively song, and it fits played at the wedding..
The cover is so beautiful,and like the style of the CMs of Kose.
Therefore, I am looking forward the song,and I am waiting to see it..
Following are the news:
倉木麻衣NEW SINGLEが、両A面での発売に変更となりました。
33rd SINGLE「永遠より ながく／Drive me crazy」が3月3日にリリース決定!!
2010年第一弾シングルとなる今作は、急遽両A面でのリリースとなりました！
KOSE「エスプリーク プレシャス」CMソング第2弾となる「永遠より [...]
Hello Everyone!
My name is oubeichen.
I’m a Chinese.
My English is not good,so sometimes I will write words unproperly.
Please forgive me.
Anyway,this is my first English blog and first English post.
Hope you can have fun in such a blog!
Thank you!
