Submission #1304460


Source Code Expand

#include <iostream>
#include <math.h>
#include <algorithm>
using namespace std;

int main(){
	int s,a;
	cin >> a;
	int n[a];
	s = 0; 
	for (int i = 0; i < a; i++){
		cin >> n[i];
		}
	
	sort(n,n+a);
	
	
	for (int i = 0; i < a; ++i){
		n[i] *= n[i];
	}

	if (a % 2 == 0){
		for (int i = 0; i < a; i += 2){
			n[i] *= -1; 
		}	
	}else{
		for (int i = 1; i < a; i += 2){
			n[i] *= -1;		
		}
	}
	for (int i = 0; i < a; i++){
		s += n[i];
	}
	cout <<  s * M_PI << endl;
}

Submission Info

Submission Time
Task B - N重丸
User inazuma110
Language C++14 (GCC 5.4.1)
Score 0
Code Size 501 Byte
Status WA
Exec Time 1 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 1 ms 256 KB
maxrand_1.txt WA 1 ms 256 KB
maxrand_2.txt WA 1 ms 256 KB
random_0.txt AC 1 ms 256 KB
random_1.txt WA 1 ms 256 KB
random_2.txt WA 1 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 1 ms 256 KB
random_7.txt WA 1 ms 256 KB
random_8.txt WA 1 ms 256 KB
random_9.txt AC 1 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