Submission #950049

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

#define FOR(i,l,r) for(int i = (l);i < (r);i++)
#define ALL(x) (x).begin(),(x).end()
template<typename T> bool chmax(T& a,const T& b){return a < b ? (a = b,true) : false;}
template<typename T> bool chmin(T& a,const T& b){return b < a ? (a = b,true) : false;}
typedef long long ll;

ll X,Y;

long long gcd(long long x,long long y)
{
	return y ? gcd(y,x % y) : x;
}

int main()
{
	scanf("%lld/%lld",&X,&Y);
	ll Z = gcd(X,Y);
	X /= Z,Y /= Z;

	bool flag = false;
	for(ll i = (X * 2) / Y - 1;i <= (X * 2 + (Y - 1)) / Y + 1;i++){
		if(i % Y) continue;
		ll x = X,y = Y,n,m;
		x *= i / Y,y *= i / Y;
		n = i,m = i * (i + 1) / 2 - x;
		if(m >= 1 && m <= n){
			printf("%lld %lld\n",n,m);
			flag = true;
		}
	}

	if(flag == false){
		printf("Impossible\n");
	}

	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld/%lld",&X,&Y);
                          ^

Judge Result