Submission #3436710


Source Code Expand

#include <bits/stdc++.h>
using namespace std;
int main(){
  int n;
  cin >> n;
  vector<int> r(n);
  int sum = 0;
  for(int i=0; i<n; i++){
    cin >> r[i];
  }
  sort(r.begin(),r.end());
  reverse(r.begin(),r.end());
  for(int i=0; i<n; i++){
    sum += pow(r[i],2)*pow(-1,i%2);
    //cout << sum << endl;
  }
  printf("%.14f\n", M_PI*sum);
}

Submission Info

Submission Time
Task B - N重丸
User to12lz
Language C++14 (GCC 5.4.1)
Score 100
Code Size 360 Byte
Status AC
Exec Time 2 ms
Memory 512 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 100 / 100
Status
AC × 2
AC × 21
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 AC 2 ms 512 KB
example_1.txt AC 1 ms 256 KB
maxrand_0.txt AC 1 ms 256 KB
maxrand_1.txt AC 1 ms 256 KB
maxrand_2.txt AC 1 ms 256 KB
random_0.txt AC 1 ms 256 KB
random_1.txt AC 1 ms 256 KB
random_2.txt AC 1 ms 256 KB
random_3.txt AC 1 ms 256 KB
random_4.txt AC 1 ms 256 KB
random_5.txt AC 1 ms 256 KB
random_6.txt AC 1 ms 256 KB
random_7.txt AC 1 ms 256 KB
random_8.txt AC 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