Submission #25099

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Source Code Expand

#include <cstdio>
#include <vector>
#include <cmath>

using std::vector;

long long calcGCD(long long n1, long long n2)
{
  if (n2 == 0) return n1;
  else return calcGCD(n2, n1 % n2);
}

int main()
{
  long long X(0),Y(0);
  vector<long long> MArray, NArray;
  scanf("%lld/%lld", &X, &Y);
  long long gcd = calcGCD(X,Y);
  X /= gcd;
  Y /= gcd;
  bool answerIsFound(false);
  for(long long i=0; i<=1; i++) {
    long long candidateN = (long long)((long double)X*2LL/Y + i);
    if(candidateN < Y || candidateN % Y > 0) continue;
    long long candidateM = candidateN * (candidateN+1LL) / 2LL
      - candidateN / Y * X;
    NArray.push_back(candidateN);
    MArray.push_back(candidateM);
    answerIsFound = true;
  }
  if(answerIsFound) {
    for(int i=0; i<(int)MArray.size(); i++) {
      printf("%lld %lld\n", NArray[i], MArray[i]);
    }
  }else {
    printf("Impossible\n");
  }
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:17:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result