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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#785393 | #9802. Light Up the Grid | xbzxzn# | WA | 18ms | 7292kb | C++20 | 2.0kb | 2024-11-26 17:47:20 | 2024-11-26 17:47:21 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define Pa pair<int,int>
using namespace std;
const int N=2e6+10,inf=1e18;
signed main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
int T;cin>>T;
vector<int>a(5);
for(int i=0;i<4;i++)cin>>a[i];
vector<array<int,2>>e;
e.push_back({a[0],1});
e.push_back({a[0],2});
e.push_back({a[0],4});
e.push_back({a[0],8});
e.push_back({a[1],3});
e.push_back({a[1],12});
e.push_back({a[2],10});
e.push_back({a[2],5});
e.push_back({a[3],15});
int mx=16;
vector<int>dis(mx+1,inf),vis(1<<(mx+1),0);
dis[15]=0;
priority_queue<array<int,2>,vector<array<int,2>>,greater<array<int,2>>>q;
q.push({dis[15],15});
while(!q.empty()){
auto [_,u]=q.top();q.pop();
if(vis[u])continue;
vis[u]=1;
for(auto[val,nxt]:e){
int v=u^nxt;
if(dis[v]>dis[u]+val){
dis[v]=dis[u]+val;
q.push({dis[v],v});
}
}
}
dis[15]=inf;
for(int i=0;i<=15;i++){
dis[15]=min(dis[15],dis[i]*2ll);
}
for(int i=0;i<(1ll<<(mx+1));i++)vis[i]=0;
vector<int>dp(1<<(mx+1),inf),pre(1<<(mx+1),0);
dp[0]=0;
q.push({0,0});
while(!q.empty()){
auto [_,u]=q.top();q.pop();
if(vis[u])continue;
vis[u]=1;
for(int i=0;i<mx;i++){
if((u>>i)&1)continue;
int v=u|(1ll<<i);
int cur=pre[u]^i;
if(dp[v]>dp[u]+dis[cur]){
dp[v]=dp[u]+dis[cur];
pre[v]=pre[u]^(15^cur);
q.push({dp[v],v});
}
}
}
while(T--){
int n;cin>>n;
vector<int>b(n);
int res=0;
for(int i=0;i<n;i++){
string s;cin>>s;
b[i]=(s[0]-'0')*8;
b[i]+=(s[1]-'0')*4;
cin>>s;
b[i]+=(s[0]-'0')*2;
b[i]+=(s[1]-'0');
res|=(1ll<<b[i]);
}
cout<<dp[res]<<'\n';
}
}
Details
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Test #1:
score: 100
Accepted
time: 14ms
memory: 7292kb
input:
2 1000 100 10 1 4 10 00 01 00 00 10 00 01 1 11 11
output:
1121 2
result:
ok 2 number(s): "1121 2"
Test #2:
score: 0
Accepted
time: 13ms
memory: 6952kb
input:
2 1 1 1 1 4 10 00 01 00 00 10 00 01 1 11 11
output:
5 2
result:
ok 2 number(s): "5 2"
Test #3:
score: 0
Accepted
time: 13ms
memory: 6876kb
input:
1 1000000 1000000 1000000 1000000 1 11 11
output:
2000000
result:
ok 1 number(s): "2000000"
Test #4:
score: -100
Wrong Answer
time: 18ms
memory: 7220kb
input:
10000 8 2 7 8 8 00 01 00 11 00 10 11 11 10 10 01 10 01 00 10 11 8 11 01 11 00 01 10 11 11 00 01 01 01 01 00 11 10 9 00 00 01 01 10 11 00 01 11 10 11 00 11 11 00 11 01 10 9 11 11 10 00 11 00 11 01 00 10 01 11 00 01 01 01 10 01 11 00 01 01 01 10 10 00 11 11 11 11 10 ...
output:
34 32 36 37 42 36 42 38 40 42 36 44 34 39 39 32 29 39 40 40 38 41 46 38 31 38 37 38 34 35 32 41 34 36 41 40 45 34 39 34 29 36 40 40 43 35 39 38 38 38 42 29 41 41 36 42 44 40 41 35 42 40 38 33 34 39 38 37 42 40 34 36 29 34 35 38 36 39 38 37 36 38 35 34 36 34 42 40 38 40 40 40 38 42 38 29 36 40 36 36 ...
result:
wrong answer 4th numbers differ - expected: '36', found: '37'