QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#625738 | #6812. Draw a triangle | Sound_Medium | WA | 34ms | 3804kb | C++23 | 2.1kb | 2024-10-09 20:47:08 | 2024-10-09 20:47:09 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
#define PII pair<int,int>
#define x first
#define y second
int n, m;
void solve () {
vector<pair<int,int>>p(2);
for(int i=0;i<2;i++){
cin>>p[i].first>>p[i].second;
}
sort(p.begin(),p.end(),[](PII a,PII b){
return a.x<b.x||a.x==b.x&&a.y<b.y;
});
PII a=p[0],b=p[1];
if(a.x==b.x){
cout<<a.x+1<<" "<<a.y<<endl;
return ;
}
else if(a.y==b.y){
cout<<a.x<<" "<<a.y+1<<endl;
return ;
}
auto fy=[&](int x)->int{
{}
return (a.y*(b.x-a.x)-a.x*(b.y-a.y)+x*(b.y-a.y))/(b.x-a.x);
};
if(a.y>b.y){
int gc=gcd((b.x-a.x),(a.y-b.y));
if(gc==(b.x-a.x)){
cout<<a.x<<" "<<a.y-1<<endl;return ;
}
int l = a.x, r = a.x+(b.x-a.x)/(gc)-1;
int ans1, ans2;
auto f=[&](int x)->int{
{}
int yy=fy(x)-b.y;
return x+yy-a.x;
};
while (l < r)
{
int mid1 = l + (r - l) / 3;
int mid2 = r - (r - l) / 3;
ans1 = f(mid1), ans2 = f(mid2);
if (ans1 >= ans2)r = mid2 - 1; // 极大值
else l = mid1 + 1;
}
cout<<l<<" "<<fy(l)<<endl;
}
else{
int gc=gcd(abs(b.x-a.x),abs(a.y-b.y));
if(gc==abs(b.x-a.x)){
cout<<a.x+1<<" "<<a.y<<endl;return ;
}
int l = a.x+1, r = a.x+(b.x-a.x)/(gc);
int ans1, ans2;
auto f=[&](int x)->int{
{}
int yy=fy(x)-a.y;
return b.x-x+yy;
};
while (l < r)
{
int mid1 = l + (r - l) / 3;
int mid2 = r - (r - l) / 3;
ans1 = f(mid1), ans2 = f(mid2);
if (ans1 >= ans2)r = mid2 - 1; // 极大值
else l = mid1 + 1;
}
cout<<l<<" "<<fy(l)<<endl;
}
}
signed main () {
int T = 1;
std::ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
cin>>T;
while (T --) solve ();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3804kb
input:
3 1 0 1 4 0 1 0 9 0 0 2 2
output:
2 0 1 1 1 0
result:
ok T=3 (3 test cases)
Test #2:
score: -100
Wrong Answer
time: 34ms
memory: 3616kb
input:
50000 66620473 -33485015 66620223 -33485265 43307886 98029243 43307636 98028994 -88895230 -3180782 -88895480 -3181030 -90319745 20018595 -90319995 20018348 -56783257 84789686 -56783507 84789440 -81798038 90629147 -81798288 90628902 98942945 -939146 98942695 -939390 -42532151 -57203475 -42532401 -572...
output:
66620224 -33485265 43307637 98028994 -88895479 -3181029 -90319994 20018348 -56783506 84789440 -81798287 90628902 98942696 -939389 -42532400 -57203717 53499958 -30665846 27114805 46988893 -2657661 26865223 40613933 17923181 -47650153 96037473 92954046 -64535154 86508616 -51415401 -82017949 17392339 7...
result:
wrong answer wa on query #2 (test case 2)