Submission #1189739


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#include <cstdio>

using namespace std;

#define REP(i,n)   for(int i=0; i<(int)(n); i++)
#define FOR(i,b,e) for(int i=(b); i<=(int)(e); i++)

//------------------------------------------------------------------------------
typedef long long ll;

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

//------------------------------------------------------------------------------

ll X;
ll Y;

void solve() {
  ll D = gcd(X, Y);
  X /= D; Y /= D;
  if (Y % 2 == 0) Y /= 2;
  else X *= 2;
  bool found = false;
  ll ki = (X - Y) / (Y * Y);
  ll kx = (X + Y) / (Y * Y);
  for (ll k = ki; k <= kx; k++) {
    ll N = k * Y;
    ll M = (k * (Y * Y) - (X - Y)) * k;
    if (M <= 0 || M % 2 > 0) continue;
    M /= 2;
    printf("%lld %lld\n", N, M);
    found = true;
  }
  if (!found) puts("Impossible");
}

void input() {
  scanf("%lld/%lld", &X, &Y);
}

int main() {
  input();
  solve();
  return 0;
}

Submission Info

Submission Time
Task C - 平均値太郎の憂鬱 ( The melancholy of Taro Heikinchi )
User nejiko96
Language C++14 (GCC 5.4.1)
Score 100
Code Size 920 Byte
Status
Exec Time 1 ms
Memory 128 KB

Compile Error

./Main.cpp: In function ‘void input()’:
./Main.cpp:41:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld/%lld", &X, &Y);
                             ^

Judge Result

Set Name Score / Max Score Test 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
Case Name Status Exec Time Memory
00_killer.txt 1 ms 128 KB
00_max.txt 1 ms 128 KB
00_min.txt 0 ms 128 KB
00_min2.txt 1 ms 128 KB
00_sample_01.txt 1 ms 128 KB
00_sample_02.txt 0 ms 128 KB
00_sample_03.txt 1 ms 128 KB
00_sample_04.txt 0 ms 128 KB
01_rnd_00.txt 0 ms 128 KB
01_rnd_01.txt 0 ms 128 KB
01_rnd_02.txt 0 ms 128 KB
01_rnd_03.txt 1 ms 128 KB
01_rnd_04.txt 0 ms 128 KB
01_rnd_05.txt 1 ms 128 KB
01_rnd_06.txt 0 ms 128 KB
01_rnd_07.txt 0 ms 128 KB
01_rnd_08.txt 0 ms 128 KB
01_rnd_09.txt 1 ms 128 KB
01_rnd_10.txt 1 ms 128 KB
01_rnd_11.txt 1 ms 128 KB
01_rnd_12.txt 1 ms 128 KB
01_rnd_13.txt 0 ms 128 KB
01_rnd_14.txt 1 ms 128 KB
01_rnd_15.txt 1 ms 128 KB
01_rnd_16.txt 1 ms 128 KB
01_rnd_17.txt 1 ms 128 KB
01_rnd_18.txt 1 ms 128 KB
01_rnd_19.txt 1 ms 128 KB
02_rnd2_00.txt 0 ms 128 KB
02_rnd2_01.txt 1 ms 128 KB
02_rnd2_02.txt 1 ms 128 KB
02_rnd2_03.txt 1 ms 128 KB
02_rnd2_04.txt 1 ms 128 KB
02_rnd2_05.txt 1 ms 128 KB
02_rnd2_06.txt 1 ms 128 KB
02_rnd2_07.txt 1 ms 128 KB
02_rnd2_08.txt 1 ms 128 KB
02_rnd2_09.txt 1 ms 128 KB
02_rnd2_10.txt 1 ms 128 KB
02_rnd2_11.txt 1 ms 128 KB
02_rnd2_12.txt 1 ms 128 KB
02_rnd2_13.txt 1 ms 128 KB
02_rnd2_14.txt 1 ms 128 KB
02_rnd2_15.txt 1 ms 128 KB
02_rnd2_16.txt 1 ms 128 KB
02_rnd2_17.txt 1 ms 128 KB
02_rnd2_18.txt 1 ms 128 KB
02_rnd2_19.txt 1 ms 128 KB
03_smallrnd_00.txt 1 ms 128 KB
03_smallrnd_01.txt 1 ms 128 KB
03_smallrnd_02.txt 1 ms 128 KB
03_smallrnd_03.txt 1 ms 128 KB
03_smallrnd_04.txt 1 ms 128 KB
03_smallrnd_05.txt 1 ms 128 KB
03_smallrnd_06.txt 1 ms 128 KB
03_smallrnd_07.txt 0 ms 128 KB
03_smallrnd_08.txt 1 ms 128 KB
03_smallrnd_09.txt 1 ms 128 KB
04_primes_01.txt 0 ms 128 KB
04_primes_02.txt 1 ms 128 KB