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#include<bits/stdc++.h>
using namespace std;
int main() {
long long t1,t2;
cin >> t1 >> t2;
long long a1,a2,b1,b2;
cin >> a1 >> a2 >> b1 >> b2;
long long p,q;
if(a1>b1) {
p=t1*(a1-b1);
q=t2*(a2-b2);
}
else {
p=t1*(b1-a1);
q=t2*(b2-a2);
}
if(p+q==0) {
cout << "infinity" << endl;
... |
#include <bits/stdc++.h>
#define MAX (ll)(1e5 + 4)
#define MOD (ll)(1e9 + 7)
#define INF (ll)(1e18 + 3)
#define PI (double)(3.14159265)
using namespace std;
using ll = long long;
using ld = long double;
int main () {
ll t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
ll s = (a1 - b1) * t1, ss = (a... |
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);cout.tie(0);
ll t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
ll p = (b1 - a1) * t1, q = (b2 - a2) * t2;
if(p + q == 0){
cout << "infinity" << endl;
... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
ll ans = 0;
int main()
{
ll t1 , t2 ;
cin >> t1 >> t2 ;
ll a1 , a2 ;
cin >> a1 >> a2 ;
ll b1 , b2 ;
cin >> b1 >> b2 ;
if(a1<b1){
swap(a1,b1);
swap(a2,b2);
}
if(a1*t1+a2*t2>b1*t1+b2*t2){
cout << ... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
cin.tie(0);
cout.tie(0);
ios_base::sync_with_stdio(0);
ll ta,tb,af,ab,bf,bb;
cin >> ta >> tb >> af >> ab >> bf >> bb;
af *= ta;
bf *= ta;
ab *= tb;
bb *= tb;
if(af + ab == bf + bb){
cout << "infinity" << '\n';
}
else{
if... |
#include <bits/stdc++.h>
using namespace std;
long t1,t2,a1,a2,b1,b2,ans=0;
int main() {
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
if(a1>b1) {
swap(a1,b1);
swap(a2,b2);
}
if((t1*a1)+(t2*a2)>(t1*b1)+(t2*b2)) {
ans=((b1-a1)*t1)/((a1-b1)*t1+(a2-b2)*t2)*2;
if(((b1-a1)*t1)%((a1-b1)*t1+(a2-b2)*t2)!=... |
#include <iostream>
using namespace std;
int T1, T2;
long long A1, A2, B1, B2;
int main()
{
cin >> T1;
cin >> T2;
cin >> A1;
cin >> A2;
cin >> B1;
cin >> B2;
long long C1 = A1 - B1;
long long C2 = A2 - B2;
long long tx = C1 * T1;
long long bx = tx + C2 * T2;
if (bx == 0) {
cout << "infinity"... |
#include<bits/stdc++.h>
using namespace std;
int main(){
int64_t T1,T2,A1,A2,B1,B2;
cin>>T1>>T2>>A1>>A2>>B1>>B2;
int64_t A=A1-B1;
int64_t B=A2-B2;
if((0<A&&0<B)||(A<0&&B<0))
cout<<0<<endl;
else if(A*T1+B*T2==0)
cout<<"infinity"<<endl;
else{
if((0<A&&0<A*T1+B*T2)||(A<0&&A*T1+B*T2<0))
cout<<0<... |
#include <iostream>
using namespace std;
int main(){
long long T[2], A[2], B[2];
cin >> T[0] >> T[1] >> A[0] >> A[1] >> B[0] >> B[1];
for(int i = 0; i < 2; ++i){
B[i] -= A[i];
A[i] = 0;
}
if(T[0]*B[0]+T[1]*B[1] == 0){
puts("infinity");
return 0;
}
if(B[0] < 0) B[0] *= -1, B[1] *= -1;
lo... |
#include <bits/stdc++.h>
using namespace std;
int main(){
int64_t T1,T2,A1,A2,B1,B2;
cin>>T1>>T2>>A1>>A2>>B1>>B2;
if(T1*A1+T2*A2==T1*B1+T2*B2){
cout<<"infinity"<<endl;
}
else{
if(T1*A1+T2*A2<T1*B1+T2*B2){
swap(A1,B1);
swap(A2,B2);
}
if(A1>B1){
cout<<"0"<<endl;
}
else... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
ll T1, T2, A1, A2, B1, B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
if (A1 == B1 || T1 * A1 + T2 * A2 == T1 * B1 + T2 * B2) {
cout << "infinity" << endl;
return 0;
}
if (T1 * A1 + T2 * A2 <= T1 * B1 + T2 * B2) {
swa... |
#include<iostream>
using namespace std;
int main() {
long T1, T2, A1, A2, B1, B2; cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
if (T1*A1+T2*A2==T1*B1+T2*B2) { cout << "infinity" << endl; return 0; }
long M1 = T1*A1-T1*B1, M2=T2*A2-T2*B2;
if (M1+M2<0) {M1 = -M1; M2=-M2;}
if (M2 > 0) cout<<(max(0L, (M2-1)/(M1+M2)-... |
#include <bits/stdc++.h>
using namespace std;
#define int long long
template<typename T>
void fin(T a){
cout<<a<<endl;
exit(0);
}
signed main(){
int t1,t2,a1,a2,b1,b2;cin>>t1>>t2>>a1>>a2>>b1>>b2;
a1-=b1;a2-=b2;
if(a1>0)a1*=-1,a2*=-1;
int A=t1*a1+t2*a2,B=-t1*a1;
if(A<0)fin(0);
if(A==0)fin("infinity");
... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n,m,a,b,c,d,A,B;
int main(void){
cin>>n>>m>>a>>b>>c>>d;
if((a-c)>0&&(b-d)>0){
cout<<0<<endl;
return 0;
}
if((a-c)<0&&(b-d)<0){
cout<<0<<endl;
return 0;
}
A=abs(a-c)*n;
B=abs(b-d)*m;
if(A==B){
cout<<"infinity"<<endl;
return 0;
}
... |
#include <bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
typedef long long ll;
int main(){
ll t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
ll d1=(a1-b1)*t1, d2=(a2-b2)*t2;
if(d1>0){
d1*=-1, d2*=-1;
}
if(d2<0) cout << 0 << endl;
else if(d1+... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll MOD=1e9+7;
int main()
{
ll t1,t2,a1,a2,b1,b2;
cin>>t1>>t2>>a1>>a2>>b1>>b2;
if(a1*t1+a2*t2==b1*t1+b2*t2)
{
cout<<"infinity";
return 0;
}
ll c1=(a1-b1)*t1,c2=(a2-b2)*t2;
if(c1>=0&&c2>=0)
{
c... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
ll t1,t2,a1,b1,a2,b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
ll p=(a1-b1)*t1;
ll q=(a2-b2)*t2;
if(p>0) {
p=-p;
q=-q;
}
if(p+q<0) cout << 0 << endl;
else if(p+q==0) co... |
#include<bits/stdc++.h>
using namespace std;
using Lint=long long;
Lint solve(Lint X,Lint Y)
{
if(X+Y==0) return -1;
if(X<0) X=-X,Y=-Y;
if(X==0) return 1;
else{
if(X+Y>0) return 0;
else{
Lint res=X/abs(X+Y)*2;
if(X%abs(X+Y)!=0) res++;
return res;
... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll ans=0,t1,t2,a,b,c,d;
int main(){
scanf("%lld %lld %lld %lld %lld %lld",&t1,&t2,&a,&b,&c,&d);
a-=c; b-=d; a*=t1; b*=t2;
if(a+b==0) printf("infinity\n");
else if(a>0&&a+b>0) printf("0\n");
else if(a<0&&a+b<0) printf("0\n");
els... |
#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
using ll = long long;
using P = pair<int,int>;
int t1, t2;
ll a1, a2, b1, b2;
int main() {
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
if (a1 < b1) {
swap(a1, b1);
swap(a2, b2);
}
ll d = (b1 * t1 + b2 * t2) - (a1... |
#include<bits/stdc++.h>
using namespace std;
#define int long long
int t1,t2,a1,a2,b1,b2;
signed main(){
cin>>t1>>t2>>a1>>a2>>b1>>b2;
int t3=t1*a1,t4=t1*b1,t5=t2*a2,t6=t2*b2;
if(t3>t4&&t5>t6){
printf("0");
return 0;
}
if(t3<t4&&t5<t6){
printf("0");
return 0;
}
if(t3<t4&&t3+t5<t4+t6){
printf("0");
return 0;
}
if(t... |
#include<bits/stdc++.h>
using namespace std;
long long t1,t2,a1,a2,b1,b2;
long long d1,d2;
long long down,up;
int main() {
cin>>t1>>t2>>a1>>a2>>b1>>b2;
d1=t1*(a1-b1);
d2=t2*(a2-b2);
if(d1==(-d2)) {
cout<<"infinity"<<endl;
return 0;
}
down=min(min(down,d1),d1+d2);
up=max(max(up,d1),d1+d2);
long long ans=0;... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll t1,t2,a1,a2,b1,b2;
ll x,y;
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>t1>>t2>>a1>>a2>>b1>>b2;
x=t1*(a1-b1);
y=t2*(b2-a2);
if(x<0){
x=-x;y=-y;
}
if(x>y){
cout<<0<<end... |
#include <bits/stdc++.h>
using namespace std;
#define int long long
template<typename T>
void fin(T a){
cout<<a<<endl;
exit(0);
}
signed main(){
int t1,t2,a1,a2,b1,b2;cin>>t1>>t2>>a1>>a2>>b1>>b2;
a1-=b1;a2-=b2;
if(a1>0)a1*=-1,a2*=-1;
int A=t1*a1+t2*a2,B=-t1*a1;
if(A<0)fin(0);
if(!A)fin("infinity");
... |
#include <bits/stdc++.h>
using namespace std;
int main() {
cin.tie(nullptr); ios::sync_with_stdio(false);
using ll = long long;
ll T1,T2; cin>>T1>>T2;
ll A1,A2; cin>>A1>>A2;
ll B1,B2; cin>>B1>>B2;
ll d1 = T1*(A1-B1);
ll dd = d1 + T2*(A2-B2);
if (dd == 0) {
cout << "infinity" << endl;
} else if ... |
#include<bits/stdc++.h>
using namespace std;
int main()
{
long long t1,t2;cin>>t1>>t2;
long long a1,a2;cin>>a1>>a2;
long long b1,b2;cin>>b1>>b2;
long long a1g=(a1-min(a1,b1))*t1;
long long a2g=(a2-min(a2,b2))*t2;
long long b1g=(b1-min(a1,b1))*t1;
long long b2g=(b2-min(a2,b2))*t2;
if(a1g==0&&a2g==0||b1g... |
#include <bits/stdc++.h>
using namespace std;
long long t1,t2,a1,b1,a2,b2;
int main()
{
cin>>t1>>t2>>a1>>b1>>a2>>b2;
if (a1*t1+b1*t2==a2*t1+b2*t2) puts("infinity");
else {
long long res=0;
long long f1=t1*a1,f2=t2*b1;
long long g1=t1*a2,g2=t2*b2;
if (f1<g1) {
swap... |
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int main()
{
vector<ll> t(2), a(2), b(2);
cin >> t[0] >> t[1] >> a[0] >> a[1] >> b[0] >> b[1];
if(b[0] > a[0]) {
swap(a[0], b[0]);
swap(a[1], b[1]);
}
ll ad = t[0] * a[0] + t[1] * a[1];
ll bd = t[0] * b[0] + t... |
#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0; i<(n); i++)
int t[2];
long long a[2], b[2], c,d;
int main(){
scanf("%d%d%lld%lld%lld%lld", t,t+1,a,a+1,b,b+1);
c = (a[0]-b[0]) * t[0];
d = c + (a[1]-b[1]) * t[1];
if(c > 0) d = -d;
else c = -c;
if(d == 0) puts("infinity");
else if(d < 0) ... |
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
ll T[2],A[2],B[2],N,D,ans;
int main(void){
cin >> T[0] >> T[1] >> A[0] >> A[1] >> B[0] >> B[1];
if(A[0]<B[0]){
swap(A[0],B[0]);
swap(A[1],B[1]);
}
D = (B[0]*T[0] +B[1]*T[1])-(A[0]*T[0] +A[1]*T[1]);
//cout << D << en... |
#include<bits/stdc++.h>
using namespace std;
int main(){
long long t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
long long v1 = a1 - b1;
long long v2 = a2 - b2;
long long x1 = v1 * t1;
long long x2 = v2 * t2;
long long T = x1 + x2;
if(T == 0) cout << "infinity" << endl;
else if((x1... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll t1,t2,a1,a2,b1,b2;
int main()
{
scanf("%lld%lld%lld%lld%lld%lld",&t1,&t2,&a1,&a2,&b1,&b2);
ll a=a1-b1,b=a2-b2;
if(a<0) a*=-1,b*=-1;
ll k=t1*a+t2*b;
if(k==0) {printf("infinity\n");return 0;}
if(k>0){printf("0\n");return 0;}
... |
#include<bits/stdc++.h>
using namespace std;
int main(){
long long t1,t2,a1,a2,b1,b2;
cin>>t1>>t2;
cin>>a1>>a2;
cin>>b1>>b2;
long long saa=t1*a1-t1*b1;
long long sab=t2*a2-t2*b2;
long long sac=saa+sab;
long long num=abs(saa/sac);
long long num2=abs(saa%sac);
if(sac==0){
cout<<"infinity"<<endl;
... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
ll t1,t2; cin >> t1 >> t2;
ll a1,b1,a2,b2; cin >> a1 >> a2 >> b1 >> b2;
if( a1 < b1 ){ swap(a1,b1); swap(a2,b2);}
ll d1 = (a1-b1)*t1; ll d2 = (a2-b2)*t2;
if( d1+d2 > 0){ cout << 0 << endl;}
else if( d1+d2 == 0 ){ ... |
#include <iostream>
using namespace std;
typedef long long ll;
int main() {
ll t1,t2;
ll a1,a2,b1,b2;
cin >> t1 >> t2;
cin >> a1 >> a2;
cin >> b1 >> b2;
if(t1*a1 < t1*b1) {
swap(a1,b1);
swap(a2,b2);
}
ll tmp1 = t1*a1-t1*b1;
ll tmp2 = t1*a1+t2*a2-(t1*b1+t2*b2);
if(tmp2 == 0) {
... |
#include<bits/stdc++.h>
#define puts(x) cout << x << "\n"
using namespace std;
long long t1, t2, a1, a2, b1, b2;
int main() {
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
a1 = (a1 - b1) * t1;
a2 = (a2 - b2) * t2;
if (a1 + a2 == 0)puts("infinity");
else if (a1/abs(a1) * a2 > 0 || abs(a1) > abs(a2))puts(0);
else {
lo... |
#include <bits/stdc++.h>
#define int long long
typedef long long ll;
using namespace std;
ll T1, T2, A1, A2, B1, B2, ans=0, tmp=0;
signed main(){
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
if(A1*T1+A2*T2==B1*T1+B2*T2) {
cout << "infinity" << endl;
return 0;
}
if(A1>B1&&A2*T2+A1*T1>B2*T2+... |
#include<bits/stdc++.h>
using namespace std;
using ll=long long;
int main(){
ll T1,T2,A1,A2,B1,B2;cin>>T1>>T2>>A1>>A2>>B1>>B2;
ll C=T1*A1-T1*B1,D=T2*A2-T2*B2,ans=0;
if(C+D==0){
cout<<"infinity"<<endl;
return 0;
}
if(C>0){
if(C+D<0){
ans=C/(-C-D)*2;
if(C%(C+D... |
#include<bits/stdc++.h>
#define int long long
using namespace std;
constexpr int mod=1e9+7;
signed main(){
int t1,t2,a1,a2,b1,b2;
cin>>t1>>t2>>a1>>a2>>b1>>b2;
a1*=t1,a2*=t2,b1*=t1,b2*=t2;
a2+=a1,b2+=b1;
if(a2==b2){
cout<<"infinity"<<endl;
return 0;
}
if(a2<b2){
swap(a... |
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <string>
#include <cmath>
using ll = long long;
using namespace std;
int main() {
long t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
long d1 = t1 * (a1 - b1),
d2 = t2 * (a2 - b2);
if (d1 =... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(void){
ll t[2], a[2], b[2];
cin >> t[0] >> t[1];
cin >> a[0] >> a[1];
cin >> b[0] >> b[1];
ll am = t[0]*a[0];
ll bm = t[0]*b[0];
ll ah = t[0]*a[0] + t[1]*a[1];
ll bh = t[0]*b[0] + t[1]*b[1];
if (ah == bh) {... |
#include <cstdio>
#include <cstring>
#include <iostream>
#include <algorithm>
#define MAXN 200002
#define LL long long
using namespace std;
LL a,b,c,d,t1,t2;
int main()
{
cin>>t1>>t2>>a>>b>>c>>d;
LL A=(a-c)*t1;
LL B=A+(b-d)*t2;
if(B==0)
{
printf("infinity\n");
}
else if((B>... |
#include <bits/stdc++.h>
using namespace std;
using int64 = long long;
int main() {
int64 T1, T2, A1, A2, B1, B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
if(A1 < B1) {
swap(A1, B1);
swap(A2, B2);
}
int64 S = T1 * A1 + T2 * A2;
int64 T = T1 * B1 + T2 * B2;
if(S == T) {
cout << "infinity... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main(){
ll t[2], a[2], b[2];
cin >> t[0] >> t[1];
cin >> a[0] >> a[1];
cin >> b[0] >> b[1];
ll p = (b[0]-a[0])*t[0];
ll q = (b[1]-a[1])*t[1];
if(p + q == 0){
cout << "infinity\n";
} else if (abs(q) < abs(p)... |
#include <bits/stdc++.h>
using namespace std;
int main () {
long long T1, T2, A1, A2, B1, B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
long long a1 = A1*T1, a2 = A2*T2, b1 = B1*T1, b2 = B2*T2;
if (a1+a2 == b1+b2) {
puts("infinity");
return 0;
}
if (a1 < b1) {
swap(a1, b1)... |
#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;
int main() {
ll t1, t2;
ll a1, a2;
ll b1, b2;
cin>>t1>>t2>>a1>>a2>>b1>>b2;
a1 *= t1; a2 *= t2;
b1 *= t1; b2 *= t2;
a2 += a1;
b2 += b1;
if (a2 == b2) {
puts("infinity");
return 0;... |
#include <iostream>
#include <utility>
using namespace std;
int main() {
long long t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
// make a1 > b1
if (a1 < b1) {
swap(a1, b1);
swap(a2, b2);
}
auto d1 = (a1 - b1) * t1; // d1 > 0
auto d2 = (a2 - b2) * t2;
if (d1 + d2 == 0) {
... |
#include <stdio.h>
long long t[2], a[2], b[2];
long long w, x, y, z, e, f;
long long ans;
int main() {
scanf("%lld%lld", t, t + 1);
scanf("%lld%lld", a, a + 1);
scanf("%lld%lld", b, b + 1);
x = t[0]; y = t[1];
w = b[0] - a[0];
z = b[1] - a[1];
e = w * x + z * y;
if (e == 0) {
printf("infinity\n");
return 0;... |
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#define MOD 1000000007
#define INF 1 << 30
using namespace std;
typedef long long ll;
int Sign(ll a) {
return (a > 0) - (a < 0);
}
int main(void) {
int num, i, j;
ll ans = 1;
ll d1, d2, a1, a2, b1, b2, t1, t2;
cin >> t1 >> t2;
cin >> ... |
#include <bits/stdc++.h>
using namespace std;
int main(void)
{
cin.tie(0);
ios::sync_with_stdio(false);
long long int t1, t2;
long long int a1, a2, b1, b2;
cin >> t1 >> t2;
cin >> a1 >> a2;
cin >> b1 >> b2;
long long int d1 = (a1 - b1)*t1;
long long int d2 = (a2 - b2)*t2;
if(d1>0)
{
d1 = -1*d1;
... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
vector<ll> t(2), a(2), b(2);
cin >> t[0] >> t[1] >> a[0] >> a[1] >> b[0] >> b[1];
ll as = t[0] * a[0] + t[1] * a[1], bs = t[0] * b[0] + t[1] * b[1];
if (as == bs) {
cout << "infinity" << endl;
return 0;
} else if (as < ... |
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
int main()
{
ll t1,t2,a1,a2,b1,b2;
scanf("%lld %lld",&t1,&t2);
scanf("%lld %lld",&a1,&a2);
scanf("%lld %lld",&b1,&b2);
ll a=a1-b1,b=a2-b2;
if(a<0)
{
a=-a,b=-b;
}
ll sum=a*t1+b*t2;
if(sum==0)
{
puts("infinity");
return 0;
}
if(su... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
const int MAXN=2e5+10,MAXM=2e6+10;
const int INF=INT_MAX,MOD=1e9+7;
const ll llINF=~(1ll<<63);
int main()
{
ll t1,t2,a1,a2,b1,b2;
cin>>t1>>t2>>a1>>a2>>b1>>b2;
ll ans=(a1-b1)*t1+(a2-b2)*t2;
if(!ans)return puts... |
#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;
typedef pair<int, int> P;
ll t1, t2;
ll a1, a2;
ll b1, b2;
void solve() {
ll s, t;
s = a1*t1 - b1*t1;
t = s + a2*t2 - b2*t2;
if (t == 0) cout << "infinity" << endl;
else if ((s>0 && t>0) || (... |
#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=int(a);i<int(b);++i)
using namespace std;
typedef long long ll;
int INF = (1LL << 30) - 1;
int MOD = 1e9+7;
int main(){
ll T1,T2,A1,A2,B1,B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
ll p = (A1 - B1) * T1;
ll q = (A2 - B2) * T2;
if(p > 0){
... |
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(n);i++)
using ll=long long;
const ll X=1000000007;
int main() {
ll T1,T2,A1,A2,B1,B2,TA,TB,AA,AB,D;
cin>>T1>>T2>>A1>>A2>>B1>>B2;
TA=T1*A1;
TB=T2*A2;
AA=T1*B1;
AB=T2*B2;//高橋青木の前後半で進む距離
D=TA+TB-AA-AB;
if(TA+TB==AA+AB){
cout<... |
#include <bits/stdc++.h>
#define ll long long
#define loop(a) loopi(i,a)
#define loopi(i,a) for(int i=0; i<a; i++)
#define pii pair<int,int>
#define pll pair<ll,ll>
using namespace std;
const int mod=1e9+7;
int main(){
ios_base::sync_with_stdio(0),cin.tie(0);
ll t1,t2,a1,a2,b1,b2;
cin >> t1 >> t2 >> a1 >> a2... |
#include <iostream>
#include <string>
#define llint long long
#define mod 1000000007
using namespace std;
llint t1, t2;
llint a1, a2, b1, b2;
int main(void)
{
ios::sync_with_stdio(0);
cin.tie(0);
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
if(a1 < b1) swap(a1, b1), swap(a2, b2);
llint d1 = a1-b1, d2 = a2-b2;
... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, N) for (int i = 0; i < (int)N; i++)
const ll MOD = pow(10,9)+7;
const ll LLINF = pow(2,61)-1;
const int INF = pow(2,30)-1;
int main() {
ll T1, T2; cin >> T1 >> T2;
ll A1, A2; cin >> A1 >> A2;
ll B1, B2; cin >> B1 >> B2;
if (A... |
#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main()
{
int T1, T2, A1, A2, B1, B2;
cin >> T1 >> T2;
cin >> A1 >> A2;
cin >> B1 >> B2;
A1 *= T1; A2 *= T2; B1 *= T1; B2 *= T2;
if(A1+A2 == B1+B2) {puts("infinity"); return 0;}
if(A1+A2 < B1+B2) { swap(A1, B1); swap(A2, B2); ... |
#include <iostream>
using namespace std;
int main() {
long long t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
if (t1 * a1 + t2 * a2 > t1 * b1 + t2 * b2) {
swap(a1, b1);
swap(a2, b2);
}
if (t1 * a1 + t2 * a2 == t1 * b1 + t2 * b2) {
cout << "infinity";
}... |
#include<iostream>
using namespace std;
long T1,T2,A1,A2,B1,B2;
int main()
{
cin>>T1>>T2>>A1>>A2>>B1>>B2;
long X=A1*T1+A2*T2,Y=B1*T1+B2*T2;
if(X==Y)
{
cout<<"infinity"<<endl;
}
else
{
long d,D;
if(X>Y)
{
d=B1*T1-A1*T1;
D=X-Y;
}
else
{
d=A1*T1-B1*T1;
D=Y-X;
}
if(d<0)cout<<0<<endl;
... |
#include <iostream>
using namespace std;
int main(void){
long long T1,T2,A1,A2,B1,B2,a,c,ans;
cin>>T1>>T2>>A1>>A2>>B1>>B2;
if((A1-B1)*T1+(A2-B2)*T2==0){
cout<<"infinity"<<endl;
return 0;
}
if((A1-B1)*T1+(A2-B2)*T2<0){
c=A1;A1=B1;B1=c;
c=A2;A2=B2;B2=c;
}
if(A1>... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<ll> nums[100005];
int main(){
ll t1,t2,a1,a2,b1,b2;
cin>>t1>>t2>>a1>>a2>>b1>>b2;
if(a1<b1){
swap(a1,b1);
swap(a2,b2);
}
ll t=t1*(a1-b1),d=t+t2*(a2-b2);
if(d>0) cout<<0<<endl;
else if(d==0) cout<<"infinity"<<endl;
else{
... |
#include<bits/stdc++.h>
using namespace std;
long long t1,t2,a1,a2,b1,b2,a,b,s,ret;
int main(){
//freopen("input.txt","r",stdin);
//freopen("output.txt","w",stdout);
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>t1>>t2;
cin>>a1>>a2;
cin>>b1>>b2;
a=a1-b1;
b=a2-b2;
if(a<0){
a=-a;
b=-b;
... |
#include <bits/stdc++.h>
using namespace std;
long long T1, T2, A1, A2, B1, B2;
int main() {
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
long long SA = A1*T1 + A2*T2;
long long SB = B1*T1 + B2*T2;
if(SA == SB) cout << "infinity";
else if((SA > SB && A1 > B1) || (SA < SB && A1 < B1)) cout << 0;
else... |
#include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < (int)n; i++)
using namespace std;
using ll = long long;
int main(){
ll t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
ll diff1 = (a1 - b1) * t1;
ll diff2 = (a2 - b2) * t2;
if(0 < diff1) {
diff1 = -diff1;
diff2 = -diff2;... |
#include <bits/stdc++.h>
using namespace std;
int main() {
long t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
long p = t1 * (b1 - a1), q = t2 * (b2 - a2);
if(p > 0 && q > 0 || p < 0 && q < 0 || abs(p) > abs(q)) {
cout << 0 << endl;
return 0;
}
p = abs(p), q = ... |
#include<iostream>
#include<cstdint>
int64_t T1, T2, V1, V2;
int main() {
int64_t A1, A2, B1, B2; std::cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
V1 = A1-B1; V2 = A2-B2;
if(V1 < 0) { V1 = -V1; V2 = -V2; }
int64_t dm = V1*T1, d = dm + V2*T2;
if(d > 0) { std::cout << "0" << std::endl; return 0; }
if(d == 0) {... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int T1, T2;
ll A1, A2;
ll B1, B2;
int main()
{
cin >> T1 >> T2;
cin >> A1 >> A2; A1 *= T1; A2 *= T2;
cin >> B1 >> B2; B1 *= T1; B2 *= T2;
if (A1 + A2 == B1 + B2) { printf("infinity\n"); return 0; }
if (A1 + A2 > B1 + B2) { swap(A... |
#include <bits/stdc++.h>
typedef long long int LL;
typedef unsigned long long int ULL;
using namespace std;
// 插入此處
int main() {
std::ios::sync_with_stdio(false);
cin.tie(0);
LL T1, T2; cin >> T1 >> T2;
LL A1, A2, B1, B2;
cin >> A1 >> A2 >> B1 >> B2;
if (A1 - B1 < 0) {
swap(A1, B1);
... |
#include "bits/stdc++.h"
using namespace std;
int main() {
long long T1, T2, A1, A2, B1, B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
if (T1 * A1 + T2 * A2 == T1 * B1 + T2 * B2) {
cout << "infinity" << endl;
return 0;
}
if (A1 < B1) swap(A1, B1), swap(A2, B2);
if (T1 * A1 + T2 * A2 > T1 * B1 + T2 * B2) {
c... |
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
int main() {
// cin.tie(0);
// ios::sync_with_stdio(false);
cout << fixed << setprecision(12);
LL T1,T2,A1,A2,B1,B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
LL D1 = A1-B1, D2 = A2-B2;
if(D1 > 0){
D1 = -D1;
D2 = -D2;
}
LL ... |
#include <bits/stdc++.h>
using namespace std;
int main(){
int T1, T2;
long long A1, A2, B1, B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
long long a=T1*A1-T1*B1, b=T2*A2-T2*B2;
if(a==-b){
cout << "infinity"<< endl;
return 0;
}
long long ans=0;
if((a<0 && a+b>0) || (a>0 && a+b<0)){
ans=abs... |
#include <bits/stdc++.h>
using namespace std;
int T1, T2;
long long A1, A2, B1, B2, P, Q;
int main()
{
cin >> T1 >> T2;
cin >> A1 >> A2;
cin >> B1 >> B2;
P = (A1 - B1) * T1;
Q = (A2 - B2) * T2;
if(P > 0){
P *= -1;
Q *= -1;
}
if( P + Q < 0){
cout << 0 << endl;
... |
#include <algorithm>
#include <iostream>
using namespace std;
int main() {
long long t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
if (a1 > b1) {
swap(a1, b1);
swap(a2, b2);
}
if (a1 == b1 || t1 * a1 + t2 * a2 == t1 * b1 + t2 * b2) {
cout << "infinity" ... |
#include <bits/stdc++.h>
using namespace std;
int main() {
long long s, t; cin >> s >> t;
long long a, b, c, d; cin >> a >> b >> c >> d;
a *= s; c *= s; b *= t; d *= t;
b += a; d += c;
if (b == d) {
cout << "infinity" << endl;
return 0;
}
if ((b > d) == (a > c)) {
co... |
#include <bits/stdc++.h>
using namespace std;
long long t[2], a[2], b[2];
void solve();
int main() {
cin >> t[0] >> t[1] >> a[0] >> a[1] >> b[0] >> b[1];
solve();
return 0;
}
void solve() {
long long x = (a[0] - b[0]) * t[0],
y = (b[1] - a[1]) * t[1];
if(x == y) {
cout << "infinity" << end... |
#include <iostream>
#include <vector>
using namespace std;
int main()
{
long long A1, A2, B1, B2, T1, T2, D1, D2, D3, p, q;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
D1 = (A1 - B1) * T1;
D2 = (A2 - B2) * T2;
if (D1 < 0) {
D1 *= -1; D2 *= -1;
}
if (D1 + D2 > 0) {
cout << 0;
}
else if (D1 + D2 == 0) {
cou... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
ll t1,t2,a1,a2,b1,b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
a1 *= t1;
a2 *= t2;
b1 *= t1;
b2 *= t2;
if((a1 + a2) < (b1 + b2)){
swap(a1,b1);
swap(a2,b2);
}
ll c1,c2;
c1 = a1 - b1;
c2 = a2 - b2;
if(c1 + c2 == 0){
cout <<... |
#include <bits/stdc++.h>
using namespace std;
using int64 = long long;
int main() {
int64 T1, T2, A1, A2, B1, B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
int64 S = T1 * A1 + T2 * A2;
int64 T = T1 * B1 + T2 * B2;
if(S == T) {
cout << "infinity" << endl;
} else {
int64 U = B2 * T2 - A2 * T2;
c... |
#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (n); ++i)
using namespace std;
typedef long long ll;
int main(){
int t1,t2;
cin >> t1 >> t2;
ll a1,a2;
cin >> a1 >> a2;
ll b1,b2;
cin >> b1 >> b2;
ll dist1 = a1*t1 - b1*t1;
ll dist2 = a2*t2 - b2*t2;
if(dist1 > 0){
dist1 *= -1;
dist2 *= -1... |
#include <bits/stdc++.h>
using namespace std;
int main() {
int64_t t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
if (t1 * a1 + t2 * a2 == t1 * b1 + t2 * b2) {
cout << "infinity" << endl;
} else if ((t1 * a1 > t1 * b1) == (t1 * a1 + t2 * a2 > t1 * b1 + t2 * b2)) {
cout << 0 << endl;
... |
#include<bits/stdc++.h>
#define INF 9223372036854775807LL
#define inf 1000000007
#define lol long long
#define abs(x,y) (max(x,y)-min(x,y))
#define mp make_pair
#define fi first
#define se second
using namespace std;
lol a,b,c;
lol x,y;
signed main(){
cin.tie(0);
ios::sync_with_stdio(false);
lol d=0,e=0,f=0;
lo... |
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
signed main() {
ios::sync_with_stdio(false); cin.tie(0);
long long t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
long long x = t1 * (a1 - b1);
long long y = t2 * (a2 - b2);
if (x + y == 0) {
cout << "infinity\n";
... |
#include"bits/stdc++.h"
using namespace std;
#define REP(k,m,n) for(ll (k)=(m);(k)<(n);(k)++)
#define rep(i,n) REP((i),0,(n))
using ll=long long;
ll T1,T2,A1,A2,B1,B2;
int main()
{
cin>>T1>>T2>>A1>>A2>>B1>>B2;
ll diff = abs((A1-B1)*T1+(A2-B2)*T2);
ll gain = abs(A1-B1)*T1;
if(diff==0){
cout<<"infinity"<<endl;
... |
#include<bits/stdc++.h>
using namespace std;
int main(){
long long T1,T2,a,b,c,d,e,f;
cin>>T1>>T2>>a>>c>>b>>d;
if(a*T1+c*T2==b*T1+d*T2){
cout<<"infinity";
return 0;
}
if(a<b)swap(a,b),swap(c,d);
e=a-b;f=c-d;
if(e*T1+f*T2>0&&e*T1>0){
cout<<0;
return 0;
}
if(e*T1+f*T2<0&&e*T1<0){
cout<<0;
return 0;
... |
#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
typedef long long ll;
int main(){
ll t1,t2,a1,a2,b1,b2;
cin>>t1>>t2>>a1>>a2>>b1>>b2;
ll X01=(a1-b1)*t1,X02=X01+(a2-b2)*t2;
if(X02==0){cout<<"infinity";return 0;}
if(X01<0&&X02<0){cout<<0;return 0;}
if(X01>0&&X02>0... |
#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < n; i++)
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
int main()
{
ll t1,t2,a1,a2,b1,b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
if (a1*t1 + a2*t2 == b1*t1 + b2*t2)
{
cout << "infinity" << endl;
return 0;
}
if (a1 < b1)
{
... |
#include <bits/stdc++.h>
using namespace std;
int main(){
long long T1, T2, A1, A2, B1, B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
if(T1 * A1 + T2 * A2 == T1 * B1 + T2 * B2) puts("infinity");
else {
if(T1 * A1 + T2 * A2 > T1 * B1 + T2 * B2) {
swap(A1, B1);
swap(A2, B2);... |
#include <bits/stdc++.h>
using namespace std;
int t[2];
long long a[2], b[2], x, y;
int main() {
cin >> t[0] >> t[1] >> a[0] >> a[1] >> b[0] >> b[1];
x = (a[0] - b[0]) * t[0];
y = (a[1] - b[1]) * t[1];
if (x + y == 0)
cout << "infinity" << endl;
else if ((x > 0) ^ (x + y > 0))
cout << -x / (x + y) + (abs(y)... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ll t1,t2,a1,a2,b1,b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
a1 *= t1;
a2 *= t2;
b1 *= t1;
b2 *= t2;
a2 += a1;
b2 += b1;
if(a2 == b2) {
cout << "infinity" << '\n';
return 0;
}
... |
#include<bits/stdc++.h>
using namespace std;
long long t1,t2,a1,a2,b1,b2,a,b,s,ret;
int main(){
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin>>t1>>t2;
cin>>a1>>a2;
cin>>b1>>b2;
a=a1-b1;
b=a2-b2;
if(a<0){
a=-a;
b=-b;
}
s=a*t1+b*t2;
if(s==0){
cout<<"infinity"<<endl;
return 0;
}
if(... |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll t1,t2,a1,a2,b1,b2;
int main()
{
scanf("%lld%lld%lld%lld%lld%lld",&t1,&t2,&a1,&a2,&b1,&b2);
ll a=a1-b1,b=a2-b2;
if(a<0) a*=-1,b*=-1;
ll k=t1*a+t2*b;
if(k==0) {printf("infinity\n");return 0;}
if(k>0){printf("0\n");return 0;}
... |
#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; i++)
using namespace std;
typedef long long int ll;
int main() {
ll t1, t2, a1, a2, b1, b2;
cin >> t1 >> t2 >> a1 >> a2 >> b1 >> b2;
ll a = t1 * a1 - t1 * b1;
ll b = t2 * a2 - t2 * b2;
if (a > 0) {
a *= -1;
b *= -1;
}
if (a + b < 0... |
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll,ll>;
const ll mod = 1e9+7;
int main(void){
ll t1,t2;
ll a1,a2;
ll b1,b2;
cin >> t1 >> t2;
cin >> a1 >> a2;
cin >> b1 >> b2;
if(b1 > a1){
swap(a1,b1);
swap(a2,b2);
}
ll A = (a1 - b1) * t1;
ll B = (b2 - a2) *... |
#include <bits/stdc++.h>
using namespace std;
int main(){
long long int n,t1,t2,a1,a2,b1,b2,sa1,sa2,kotae;
cin>>t1>>t2>>a1>>a2>>b1>>b2;
sa1=a1*t1-b1*t1;
sa2=a2*t2-b2*t2+sa1;
if(sa1>0&&sa2>0){
cout<<0;
return 0;
}
if(sa1<0&&sa2<0){
cout<<0;
return 0;
}
if(sa2==0){
cout<<"infinity";... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ll T1, T2, A1, A2, B1, B2;
cin >> T1 >> T2 >> A1 >> A2 >> B1 >> B2;
ll step = T1*A1+T2*A2 - (T1*B1+T2*B2);
ll hop = T1 * (A1 - B1); // != 0
if(step == 0) {
cout << "infinity" << "\n";
return 0;
}
... |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i,a) for(int i=0;i<(a);i++)
const ll MOD=1000000007;
//const ll MOD=998244353;
int main(){
ll T[2],A[2],B[2];
cin>>T[0]>>T[1];
cin>>A[0]>>A[1];
cin>>B[0]>>B[1];
ll X=T[0]*A[0]+T[1]*A[1];
ll Y=T[0]*B[0]+T[1]*B[1];
if(X==Y){... |
#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main(){
int A,B,C,D,E,F;
cin>>A>>B>>C>>D>>E>>F;
C-=E,D-=F;
E=A*C,F=B*D;
if(E<0)E*=-1,F*=-1;
if(E+F>0)puts("0");
else if(E+F==0)puts("infinity");
else if(E%(-E-F))cout<<E/(-E-F)*2+1<<endl;
else cout<<E/(-E-F)*2<<endl;
} |
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