QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#385102 | #2160. Cardiology | Kevin5307# | AC ✓ | 26ms | 40832kb | C++23 | 1.8kb | 2024-04-10 15:31:51 | 2024-04-10 15:31:52 |
Judging History
answer
//Author: Kevin
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
#define ll long long
#define ull unsigned ll
#define pb emplace_back
#define mp make_pair
#define ALL(x) (x).begin(),(x).end()
#define rALL(x) (x).rbegin(),(x).rend()
#define srt(x) sort(ALL(x))
#define rev(x) reverse(ALL(x))
#define rsrt(x) sort(rALL(x))
#define sz(x) (int)(x.size())
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define lb(v,x) (int)(lower_bound(ALL(v),x)-v.begin())
#define ub(v,x) (int)(upper_bound(ALL(v),x)-v.begin())
#define uni(v) v.resize(unique(ALL(v))-v.begin())
#define longer __int128_t
void die(string S){puts(S.c_str());exit(0);}
int nxt[1001000];
vector<int> G[1001000];
int dist[1001000];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int r,c;
cin>>r>>c;
int p=-1,ax=-1,ay=-1,s=-1;
int d=0x3f3f3f3f;
for(int i=1;i<=c;i++)
{
// (x-1)*m+y=x+(i-1)*r
// (m-1)x=(i-1)*r+m-y
int rem=(1ll*(i-1)*r+c)%(c-1);
if(rem==1&&(1ll*(i-1)*r+c-rem)/(c-1)>1) continue;
int y=rem;
if(!y) y+=c-1;
int x=(1ll*(i-1)*r+c-y)/(c-1);
if(x<1||x>r||y<1||y>c) continue;
int dist=0x3f3f3f3f;
for(int j=(r+1)/2;j<=r/2+1;j++)
for(int k=(c+1)/2;k<=c/2+1;k++)
dist=min(dist,abs(j-x)+abs(k-y));
if(dist<d)
{
d=dist;
p=i;
ax=x;
ay=y;
}
}
for(int i=1;i<=r;i++)
{
ll val=1ll*(p-1)*r+i;
nxt[i]=(val+c-1)/c;
if(i!=nxt[i])
G[nxt[i]].pb(i);
}
memset(dist,-1,sizeof(dist));
queue<int> q;
for(int i=1;i<=r;i++)
if(i==nxt[i])
{
dist[i]=0;
q.push(i);
}
while(!q.empty())
{
int x=q.front();
q.pop();
for(auto y:G[x])
{
dist[y]=dist[x]+1;
q.push(y);
}
}
cout<<p<<" "<<ax<<" "<<ay<<" "<<*max_element(dist+1,dist+r+1)+1<<endl;
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 9ms
memory: 9644kb
input:
6666 966364
output:
473832 3269 483163 2
result:
ok single line: '473832 3269 483163 2'
Test #2:
score: 0
Accepted
time: 9ms
memory: 9584kb
input:
36 906986
output:
12598 1 453493 2
result:
ok single line: '12598 1 453493 2'
Test #3:
score: 0
Accepted
time: 14ms
memory: 16528kb
input:
704877 297616
output:
148803 352426 140980 3
result:
ok single line: '148803 352426 140980 3'
Test #4:
score: 0
Accepted
time: 18ms
memory: 21924kb
input:
1000000 1000000
output:
500000 500000 500000 2
result:
ok single line: '500000 500000 500000 2'
Test #5:
score: 0
Accepted
time: 0ms
memory: 9616kb
input:
2 2
output:
1 1 1 2
result:
ok single line: '1 1 1 2'
Test #6:
score: 0
Accepted
time: 26ms
memory: 40832kb
input:
1000000 2
output:
1 1 1 21
result:
ok single line: '1 1 1 21'
Test #7:
score: 0
Accepted
time: 14ms
memory: 9520kb
input:
2 1000000
output:
250001 1 500001 2
result:
ok single line: '250001 1 500001 2'
Test #8:
score: 0
Accepted
time: 16ms
memory: 20696kb
input:
985391 511611
output:
255806 492696 255806 3
result:
ok single line: '255806 492696 255806 3'
Test #9:
score: 0
Accepted
time: 13ms
memory: 14848kb
input:
435766 614914
output:
304739 215957 307481 2
result:
ok single line: '304739 215957 307481 2'
Test #10:
score: 0
Accepted
time: 10ms
memory: 18392kb
input:
818196 58
output:
29 401921 49 5
result:
ok single line: '29 401921 49 5'
Test #11:
score: 0
Accepted
time: 10ms
memory: 14668kb
input:
401765 19
output:
10 200883 10 6
result:
ok single line: '10 200883 10 6'
Test #12:
score: 0
Accepted
time: 9ms
memory: 9748kb
input:
95 912669
output:
456335 48 456335 2
result:
ok single line: '456335 48 456335 2'
Test #13:
score: 0
Accepted
time: 6ms
memory: 9552kb
input:
81 429950
output:
2655 1 214975 2
result:
ok single line: '2655 1 214975 2'
Test #14:
score: 0
Accepted
time: 19ms
memory: 18984kb
input:
999956 999959
output:
249991 249990 499979 3
result:
ok single line: '249991 249990 499979 3'
Test #15:
score: 0
Accepted
time: 20ms
memory: 19816kb
input:
999935 999946
output:
449976 449971 499976 3
result:
ok single line: '449976 449971 499976 3'
Test #16:
score: 0
Accepted
time: 17ms
memory: 20688kb
input:
999951 999952
output:
1 1 1 2
result:
ok single line: '1 1 1 2'
Test #17:
score: 0
Accepted
time: 3ms
memory: 10112kb
input:
106352 224337
output:
112111 53149 112993 2
result:
ok single line: '112111 53149 112993 2'
Test #18:
score: 0
Accepted
time: 13ms
memory: 17960kb
input:
651870 786333
output:
392936 325744 393775 2
result:
ok single line: '392936 325744 393775 2'
Test #19:
score: 0
Accepted
time: 26ms
memory: 20676kb
input:
838522 972888
output:
486249 419093 486853 2
result:
ok single line: '486249 419093 486853 2'