Submission #3435925


Source Code Expand

#include<iostream>
#include<cmath>
#include<cstdlib>
using namespace std;

int main(){
	int N, i, j;
	cin >> N;
	int r[N];
	for(i=0; i<N; i++){
		cin >> r[i];
	}
	
	for(j=0; j<N; j++){
		for(i=0; i<N-1; i++){
			if(r[i]<r[i+1]){
				int tmp=r[i];
				r[i] = r[i+1];
				r[i+1] = tmp;
			}
		}
	}
	
	/*float*/double ans=0;
	for(i=0; i<N; i++){
		double s=r[i]*r[i]*M_PI;
		if(i%2==0)	ans += s;
		else		ans -= s;
	}
	
	cout << ans << endl;
	return 0;
}

Submission Info

Submission Time
Task B - N重丸
User hrn
Language C++14 (GCC 5.4.1)
Score 0
Code Size 484 Byte
Status WA
Exec Time 3 ms
Memory 256 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 100
Status
AC × 1
WA × 1
AC × 9
WA × 12
Set Name Test Cases
Sample example_0.txt, example_1.txt
All example_0.txt, example_1.txt, maxrand_0.txt, maxrand_1.txt, maxrand_2.txt, random_0.txt, random_1.txt, random_2.txt, random_3.txt, random_4.txt, random_5.txt, random_6.txt, random_7.txt, random_8.txt, random_9.txt, special_0.txt, special_1.txt, special_2.txt, special_3.txt, example_0.txt, example_1.txt
Case Name Status Exec Time Memory
example_0.txt WA 1 ms 256 KB
example_1.txt AC 1 ms 256 KB
maxrand_0.txt WA 3 ms 256 KB
maxrand_1.txt WA 3 ms 256 KB
maxrand_2.txt WA 3 ms 256 KB
random_0.txt AC 1 ms 256 KB
random_1.txt WA 1 ms 256 KB
random_2.txt WA 2 ms 256 KB
random_3.txt AC 1 ms 256 KB
random_4.txt WA 1 ms 256 KB
random_5.txt WA 1 ms 256 KB
random_6.txt WA 2 ms 256 KB
random_7.txt WA 2 ms 256 KB
random_8.txt WA 1 ms 256 KB
random_9.txt AC 2 ms 256 KB
special_0.txt AC 1 ms 256 KB
special_1.txt AC 1 ms 256 KB
special_2.txt AC 1 ms 256 KB
special_3.txt AC 1 ms 256 KB