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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#260084 | #6305. Chinese Checker | ucup-team2235 | WA | 87ms | 3684kb | C++17 | 1.3kb | 2023-11-21 19:48:10 | 2023-11-21 19:48:11 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
const int l[18]={0,13,12,11,10,5,5,5,5,4,3,2,1,5,5,5,5},
r[18]={0,13,13,13,13,17,16,15,14,13,13,13,13,8,7,6,5},
dx[6]={-1,1,0,0,-1,1},dy[6]={0,0,-1,1,1,-1};
set<pii> m;
pair<pii,int> jump(pii a,int d,int s,int c=0){
while(s--){
a.first+=dx[d],a.second+=dy[d];
if(m.find(a)!=m.end())c++;
}
return make_pair(a,c);
}
bool check(pii a){
auto [x,y]=a;
return x>0&&x<=17&&y>=l[x]&&y<=r[x];
}
int main(){
ios::sync_with_stdio(false);
int t; cin>>t;
while(t--){
int n,c=0; cin>>n;
vector<pii> a(n);
vector<set<pii> > s(n);
for(auto &[x,y]:a)cin>>x>>y,y+=l[x]-1;
m.clear(); for(pii i:a)m.emplace(i);
function<void(int)> dfs=[&](int i){
s[i].emplace(a[i]);
for(int j=0;j<6;j++)
for(int k=1;k<=6;k++)
if(auto [p,c1]=jump(a[i],j,k);c1==1&&check(p)&&m.find(p)!=m.end()){
auto [e,c2]=jump(p,j,k);
if(!c2&&check(e)&&m.find(e)==m.end()){
pii t=a[i];
m.erase(a[i]),m.emplace(a[i]=e);
if(s[i].find(a[i])==s[i].end())dfs(i);
m.erase(e),m.emplace(a[i]=t);
}
}
};
for(int i=0;i<n;i++)
dfs(i),c+=s[i].size()-1;
cout<<c<<endl;
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3556kb
input:
5 1 1 1 2 1 1 2 1 2 9 4 9 6 10 1 1 2 1 2 2 3 1 3 2 3 3 4 1 4 2 4 3 4 4 10 1 1 2 1 2 2 5 7 3 2 3 3 4 1 4 2 4 3 4 4
output:
0 1 2 6 13
result:
ok 5 number(s): "0 1 2 6 13"
Test #2:
score: -100
Wrong Answer
time: 87ms
memory: 3684kb
input:
100 81 1 1 16 1 11 4 13 8 12 3 12 12 11 1 4 2 9 5 8 10 5 5 9 7 3 2 14 1 7 11 13 7 10 2 8 3 9 8 10 6 12 10 6 7 11 2 7 3 13 12 8 6 17 1 10 5 5 12 13 9 13 1 9 4 5 10 11 8 13 4 5 4 9 1 7 8 5 6 13 13 5 1 9 3 8 8 8 5 13 2 13 5 11 3 9 2 6 4 3 3 8 2 13 11 8 7 5 7 6 10 11 9 10 3 11 10 6 3 7 1 4 4 15 2 7 2 3 ...
output:
228 350 112 444 345 165 203 39 209 100 1 185 141 44 20 150 283 247 19 189 88 185 297 25 95 206 229 289 113 98 159 232 38 9 101 169 267 377 53 137 222 50 20 96 64 174 45 187 265 118 152 238 0 107 58 25 30 14 65 165 147 33 477 184 246 13 59 0 278 103 100 328 9 267 77 106 30 337 52 34 356 362 9 158 94 ...
result:
wrong answer 1st numbers differ - expected: '190', found: '228'