AtCoder Regular Contest 004

Submission #1932676

Source codeソースコード

#include<iostream>
#include<fstream>
#include<stdio.h>
#include<string>
#include<vector>
#include<map>
#include<math.h>
#include<algorithm>
#include<iomanip>
#include<set>
 
using namespace std;
 
long long gcd(long long a, long long b) {
  if(a % b == 0) return b;
  else return gcd(b, a % b);
}

bool search(long long n, long long x, long long y) {
  if(n % y != 0) return false;
  long long xy = n / y;
  x *= xy; y *= xy;
  // (n * (n + 1) / 2 - m) = x
  long long m = n * (n + 1) / 2 - x;
  if(m > 0 && m <= n) {
    cout << n << " " << m << endl;
    return true;
  }
  return false;
}
 
int main() {
  long long x, y;
  char c;
  cin >> x >> c >> y;
  long long xy = gcd(x, y);
  x /= xy; y /= xy;
  long long n = x / y * 2;
  bool b = false;
  for(long long i = -3; i < 4; i++) {
    if(n + i > 0) b |= search(n + i, x, y);
  }
  if(!b) cout << "Impossible" << endl;
  return 0;
}

Submission

Task問題 C - 平均値太郎の憂鬱 ( The melancholy of Taro Heikinchi )
User nameユーザ名 ninja7
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 AC
Score得点 100
Source lengthソースコード長 932 Byte
File nameファイル名
Exec time実行時間 1 ms
Memory usageメモリ使用量 256 KB

Test case

Set

Set name Score得点 / Max score Cases
All 100 / 100 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

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_killer.txt AC 1 ms 256 KB
00_max.txt AC 1 ms 256 KB
00_min.txt AC 1 ms 256 KB
00_min2.txt AC 1 ms 256 KB
00_sample_01.txt AC 1 ms 256 KB
00_sample_02.txt AC 1 ms 256 KB
00_sample_03.txt AC 1 ms 256 KB
00_sample_04.txt AC 1 ms 256 KB
01_rnd_00.txt AC 1 ms 256 KB
01_rnd_01.txt AC 1 ms 256 KB
01_rnd_02.txt AC 1 ms 256 KB
01_rnd_03.txt AC 1 ms 256 KB
01_rnd_04.txt AC 1 ms 256 KB
01_rnd_05.txt AC 1 ms 256 KB
01_rnd_06.txt AC 1 ms 256 KB
01_rnd_07.txt AC 1 ms 256 KB
01_rnd_08.txt AC 1 ms 256 KB
01_rnd_09.txt AC 1 ms 256 KB
01_rnd_10.txt AC 1 ms 256 KB
01_rnd_11.txt AC 1 ms 256 KB
01_rnd_12.txt AC 1 ms 256 KB
01_rnd_13.txt AC 1 ms 256 KB
01_rnd_14.txt AC 1 ms 256 KB
01_rnd_15.txt AC 1 ms 256 KB
01_rnd_16.txt AC 1 ms 256 KB
01_rnd_17.txt AC 1 ms 256 KB
01_rnd_18.txt AC 1 ms 256 KB
01_rnd_19.txt AC 1 ms 256 KB
02_rnd2_00.txt AC 1 ms 256 KB
02_rnd2_01.txt AC 1 ms 256 KB
02_rnd2_02.txt AC 1 ms 256 KB
02_rnd2_03.txt AC 1 ms 256 KB
02_rnd2_04.txt AC 1 ms 256 KB
02_rnd2_05.txt AC 1 ms 256 KB
02_rnd2_06.txt AC 1 ms 256 KB
02_rnd2_07.txt AC 1 ms 256 KB
02_rnd2_08.txt AC 1 ms 256 KB
02_rnd2_09.txt AC 1 ms 256 KB
02_rnd2_10.txt AC 1 ms 256 KB
02_rnd2_11.txt AC 1 ms 256 KB
02_rnd2_12.txt AC 1 ms 256 KB
02_rnd2_13.txt AC 1 ms 256 KB
02_rnd2_14.txt AC 1 ms 256 KB
02_rnd2_15.txt AC 1 ms 256 KB
02_rnd2_16.txt AC 1 ms 256 KB
02_rnd2_17.txt AC 1 ms 256 KB
02_rnd2_18.txt AC 1 ms 256 KB
02_rnd2_19.txt AC 1 ms 256 KB
03_smallrnd_00.txt AC 1 ms 256 KB
03_smallrnd_01.txt AC 1 ms 256 KB
03_smallrnd_02.txt AC 1 ms 256 KB
03_smallrnd_03.txt AC 1 ms 256 KB
03_smallrnd_04.txt AC 1 ms 256 KB
03_smallrnd_05.txt AC 1 ms 256 KB
03_smallrnd_06.txt AC 1 ms 256 KB
03_smallrnd_07.txt AC 1 ms 256 KB
03_smallrnd_08.txt AC 1 ms 256 KB
03_smallrnd_09.txt AC 1 ms 256 KB
04_primes_01.txt AC 1 ms 256 KB
04_primes_02.txt AC 1 ms 256 KB