Submission #24698


Source Code Expand

#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cctype>
#include <cmath>
#include <iostream>
#include <queue>
#include <list>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <vector>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;

ll gcd(ll a, ll b){return (b==0?a:gcd(b,a%b));}

int main(){
  ll X, Y;
  char c;

  cin >> X >> c >> Y;
  
  ll g = gcd(X,Y);
  X /= g;
  Y /= g;

  bool flg = false;
  for(ll a = 2LL*X/Y/Y; a<=2LL*X/Y/Y+1; a++){
    ll N = a * Y;
    double sum = N*(double)(N+1)/2.0;
    if(sum < 9.2e19){
      ll s;
      if(N%2==0) s = N / 2LL * (N+1);
      else  s = (N+1) / 2LL * N;

      if(1 <= s - X*a && s - X*a <= N){
        cout << N << " " << s - X*a << endl;
        flg = true;
      }
    }else{
      break;
    }
  }

  if(!flg){
    cout << "Impossible" << endl;
  }
  
  return 0;
}

Submission Info

Submission Time
Task C - 平均値太郎の憂鬱 ( The melancholy of Taro Heikinchi )
User phyllo
Language C++ (G++ 4.6.4)
Score 100
Code Size 1142 Byte
Status AC
Exec Time 77 ms
Memory 816 KB

Judge Result

Set Name All
Score / Max Score 100 / 100
Status
AC × 60
Set Name Test Cases
All 00_killer.txt, 00_max.txt, 00_min.txt, 00_min2.txt, 00_sample_01.txt, 00_sample_02.txt, 00_sample_03.txt, 00_sample_04.txt, 01_rnd_00.txt, 01_rnd_01.txt, 01_rnd_02.txt, 01_rnd_03.txt, 01_rnd_04.txt, 01_rnd_05.txt, 01_rnd_06.txt, 01_rnd_07.txt, 01_rnd_08.txt, 01_rnd_09.txt, 01_rnd_10.txt, 01_rnd_11.txt, 01_rnd_12.txt, 01_rnd_13.txt, 01_rnd_14.txt, 01_rnd_15.txt, 01_rnd_16.txt, 01_rnd_17.txt, 01_rnd_18.txt, 01_rnd_19.txt, 02_rnd2_00.txt, 02_rnd2_01.txt, 02_rnd2_02.txt, 02_rnd2_03.txt, 02_rnd2_04.txt, 02_rnd2_05.txt, 02_rnd2_06.txt, 02_rnd2_07.txt, 02_rnd2_08.txt, 02_rnd2_09.txt, 02_rnd2_10.txt, 02_rnd2_11.txt, 02_rnd2_12.txt, 02_rnd2_13.txt, 02_rnd2_14.txt, 02_rnd2_15.txt, 02_rnd2_16.txt, 02_rnd2_17.txt, 02_rnd2_18.txt, 02_rnd2_19.txt, 03_smallrnd_00.txt, 03_smallrnd_01.txt, 03_smallrnd_02.txt, 03_smallrnd_03.txt, 03_smallrnd_04.txt, 03_smallrnd_05.txt, 03_smallrnd_06.txt, 03_smallrnd_07.txt, 03_smallrnd_08.txt, 03_smallrnd_09.txt, 04_primes_01.txt, 04_primes_02.txt
Case Name Status Exec Time Memory
00_killer.txt AC 22 ms 784 KB
00_max.txt AC 22 ms 788 KB
00_min.txt AC 22 ms 796 KB
00_min2.txt AC 19 ms 788 KB
00_sample_01.txt AC 20 ms 788 KB
00_sample_02.txt AC 22 ms 788 KB
00_sample_03.txt AC 21 ms 796 KB
00_sample_04.txt AC 22 ms 788 KB
01_rnd_00.txt AC 21 ms 788 KB
01_rnd_01.txt AC 20 ms 792 KB
01_rnd_02.txt AC 20 ms 788 KB
01_rnd_03.txt AC 21 ms 788 KB
01_rnd_04.txt AC 21 ms 796 KB
01_rnd_05.txt AC 21 ms 796 KB
01_rnd_06.txt AC 19 ms 784 KB
01_rnd_07.txt AC 20 ms 788 KB
01_rnd_08.txt AC 20 ms 792 KB
01_rnd_09.txt AC 20 ms 784 KB
01_rnd_10.txt AC 20 ms 788 KB
01_rnd_11.txt AC 21 ms 764 KB
01_rnd_12.txt AC 21 ms 788 KB
01_rnd_13.txt AC 22 ms 768 KB
01_rnd_14.txt AC 20 ms 788 KB
01_rnd_15.txt AC 20 ms 792 KB
01_rnd_16.txt AC 19 ms 784 KB
01_rnd_17.txt AC 22 ms 788 KB
01_rnd_18.txt AC 21 ms 764 KB
01_rnd_19.txt AC 20 ms 788 KB
02_rnd2_00.txt AC 23 ms 776 KB
02_rnd2_01.txt AC 20 ms 780 KB
02_rnd2_02.txt AC 19 ms 784 KB
02_rnd2_03.txt AC 20 ms 788 KB
02_rnd2_04.txt AC 77 ms 788 KB
02_rnd2_05.txt AC 22 ms 776 KB
02_rnd2_06.txt AC 21 ms 788 KB
02_rnd2_07.txt AC 20 ms 792 KB
02_rnd2_08.txt AC 19 ms 792 KB
02_rnd2_09.txt AC 22 ms 780 KB
02_rnd2_10.txt AC 22 ms 784 KB
02_rnd2_11.txt AC 21 ms 788 KB
02_rnd2_12.txt AC 21 ms 796 KB
02_rnd2_13.txt AC 21 ms 784 KB
02_rnd2_14.txt AC 21 ms 792 KB
02_rnd2_15.txt AC 27 ms 788 KB
02_rnd2_16.txt AC 20 ms 788 KB
02_rnd2_17.txt AC 21 ms 792 KB
02_rnd2_18.txt AC 21 ms 784 KB
02_rnd2_19.txt AC 21 ms 788 KB
03_smallrnd_00.txt AC 19 ms 796 KB
03_smallrnd_01.txt AC 20 ms 784 KB
03_smallrnd_02.txt AC 19 ms 788 KB
03_smallrnd_03.txt AC 21 ms 788 KB
03_smallrnd_04.txt AC 20 ms 788 KB
03_smallrnd_05.txt AC 20 ms 816 KB
03_smallrnd_06.txt AC 20 ms 788 KB
03_smallrnd_07.txt AC 21 ms 768 KB
03_smallrnd_08.txt AC 20 ms 792 KB
03_smallrnd_09.txt AC 23 ms 732 KB
04_primes_01.txt AC 21 ms 788 KB
04_primes_02.txt AC 22 ms 788 KB