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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#816844 | #1127. Virus Experiment | nullptr_qwq | 0 | 49ms | 25784kb | C++14 | 2.7kb | 2024-12-16 18:34:57 | 2024-12-16 18:34:58 |
Judging History
answer
// Problem: #3155. 「JOI Open 2019」病毒实验
// Contest: LibreOJ
// URL: https://loj.ac/p/3155
// Memory Limit: 256 MB
// Time Limit: 1000 ms
//
// Powered by CP Editor (https://cpeditor.org)
// 私は猫です
#include<bits/stdc++.h>
#define ull unsigned long long
#define ll long long
#define pb push_back
#define mkp make_pair
#define fi first
#define se second
#define inf 1000000000
#define infll 1000000000000000000ll
#define pii pair<int,int>
#define rep(i,a,b,c) for(int i=(a);i<=(b);i+=(c))
#define per(i,a,b,c) for(int i=(a);i>=(b);i-=(c))
#define F(i,a,b) for(int i=a,i##end=b;i<=i##end;i++)
#define dF(i,a,b) for(int i=a,i##end=b;i>=i##end;i--)
#define cmh(sjy) while(sjy--)
#define lowbit(x) (x&(-x))
#define HH printf("\n")
#define eb emplace_back
#define poly vector<int>
#define SZ(x) ((int)x.size())
using namespace std;
template<typename T>inline void chkmax(T &x,const T &y){ x=std::max(x,y); }
template<typename T>inline void chkmin(T &x,const T &y){ x=std::min(x,y); }
const int mod=998244353,maxn=1000005,NR=805;
int k,n,m,a[NR][NR],fa[maxn];
inline int id(int x,int y){ return (x-1)*n+y; }
inline pii decode(int u){ return mkp((u-1)/m+1,((u-1)%m)+1); }
inline bool in_matrix(int x,int y){ return (x>0&&x<=n&&y>0&&y<=m); }
inline int find(int x){ return fa[x]==x?x:fa[x]=find(fa[x]); }
string virus_wind;
int q[maxn],st[NR][NR],nxt[maxn],to[NR][NR];
const int dx[4]={1,-1,0,0},dy[4]={0,0,1,-1};
void solve(){
cin>>k>>n>>m>>virus_wind,virus_wind+=virus_wind;
vector<int>cur(16,0),T(16,0);
for(char &c:virus_wind){
int d=0;
for(;c!="NSWE"[d];++d);
F(s,1,15)if((s>>d)&1)++cur[s]; else chkmax(T[s],cur[s]),cur[s]=0;
}
F(s,1,15)chkmax(T[s],cur[s]);
F(i,1,n)F(j,1,m)cin>>a[i][j],chkmin(a[i][j],k);
F(i,1,n*m)fa[i]=i;
F(i,1,n)F(j,1,m)if(!a[i][j])a[i][j]=inf,fa[id(i,j)]=0;
int ans=inf,cnt=0;
for(;;){
vector<int>vec;
F(u,1,n*m)if(find(u)==u)vec.push_back(u);
if(vec.empty())break;
for(int u:vec){
int qL=1,qR=0; auto [x,y]=decode(u);
q[++qR]=u,st[x][y]=-1,nxt[u]=u;
while(qL<=qR){
auto [x,y]=decode(q[qL++]);
F(d,0,3){
const int nx=x+dx[d],ny=y+dy[d],v=id(nx,ny);
if(!in_matrix(nx,ny))continue;
if(st[nx][ny]==-1||T[st[nx][ny]|=(1<<d)]<a[nx][ny])continue;
st[nx][ny]=-1;
if(find(v)==u)q[++qR]=v;
else{ nxt[u]=v; break; }
}
if(nxt[u]^u)break;
}
if(nxt[u]==u){
if(qR<ans)ans=qR,cnt=1;
else if(qR==ans)++cnt;
fa[u]=0;
}
F(i,1,qR){
auto [x,y]=decode(q[i]);
st[x][y]=0;
F(d,0,3)st[x+dx[d]][y+dy[d]]=0;
}
}
for(int u:vec)fa[find(u)]=find(nxt[u]);
}
cout<<ans<<'\n'<<(ans*cnt);
}
signed main(){
ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
int zsy=1;
F(____,1,zsy)solve();
}
詳細信息
Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 14
Accepted
time: 0ms
memory: 13992kb
input:
53768 10 50 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE...
output:
1 10
result:
ok 2 lines
Test #2:
score: 14
Accepted
time: 44ms
memory: 25784kb
input:
10 800 800 WWWWEWWEWW 7 3 7 5 10 6 9 6 5 8 1 10 1 6 6 1 8 9 3 7 1 3 1 4 9 3 4 2 5 4 5 7 8 10 4 6 2 8 7 2 1 5 3 10 9 10 1 7 6 2 1 8 3 4 10 5 3 3 3 9 2 2 6 1 6 5 6 3 7 9 7 5 8 5 4 3 7 6 9 3 4 9 1 2 7 1 3 4 6 10 8 4 4 9 1 2 6 1 4 4 10 6 10 4 1 5 1 8 5 2 1 9 4 10 9 2 7 9 4 1 6 5 1 6 6 10 10 1 3 10 6 4 8...
output:
1 230450
result:
ok 2 lines
Test #3:
score: 14
Accepted
time: 43ms
memory: 22336kb
input:
10 800 800 WWWWWWWWWW 15314 11896 14475 25269 31478 32227 37443 24837 1353 32232 8163 3206 34713 17755 6870 20331 29572 19341 12557 36054 14768 990 30502 32464 15439 17070 15514 32216 37546 25514 27706 3028 26652 17247 13171 40866 36133 9550 22005 24048 33764 25331 12936 27462 27217 33096 19096 3919...
output:
1 800
result:
ok 2 lines
Test #4:
score: 14
Accepted
time: 33ms
memory: 21972kb
input:
31 800 800 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
output:
1 800
result:
ok 2 lines
Test #5:
score: 14
Accepted
time: 49ms
memory: 23056kb
input:
9999 800 800 WWWEEWEEWEWEEEWEEEWWWEWWEEEEEWEEEWWEWWWEWEWEWEEEWWWWWEWEEEEEEWEEWWEWWEEEEWEWWEWWWEEEWWEEWEWWWEWWEWWEEEWWWEWEEWWEWEWWWEWWWEEEWWEEEWWEEEWWWWEWWEWEWWWWEEWEEEWEWWEWEEWEWEEEWEWEEEWWWWEEEEWWWWWWEWWWEWEWWWEWEWWWEWWEEEEWWEEEEEWEWEWWWEWEEEEWEEEEWEEWEEEEEWEWWEEEWWEEEWEEEEWWEWWEEWEEWEWWEWWWEWEEEWE...
output:
1 639810
result:
ok 2 lines
Test #6:
score: 0
Wrong Answer
time: 2ms
memory: 16952kb
input:
10 800 1 EWEWWWWWWW 1 1 1 0 1 0 0 0 1 0 0 0 1 1 1 0 0 0 0 1 0 0 0 0 0 0 1 1 0 1 1 0 0 1 1 0 1 0 1 0 0 0 0 1 1 1 1 1 0 0 1 1 0 1 0 0 0 1 0 0 0 1 0 1 1 0 1 1 0 1 1 1 0 0 0 0 1 1 0 1 0 1 0 0 1 0 0 0 1 1 1 1 0 0 1 1 1 1 0 0 1 0 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 0 0 1 1 0 0 1 1 1 0 0 1 1 0 0 1 1 1 1 1 1 1 0 ...
output:
1 800
result:
wrong answer 2nd lines differ - expected: '392', found: '800'
Subtask #2:
score: 0
Wrong Answer
Test #9:
score: 6
Accepted
time: 0ms
memory: 14120kb
input:
10 10 10 NNNNSENESS 3 2 0 0 1 3 2 3 1 2 3 3 2 0 5 2 4 0 5 1 5 1 2 3 0 4 4 0 1 0 5 0 1 0 2 4 2 2 0 3 0 1 0 1 4 0 1 4 1 0 3 5 5 0 2 5 3 0 3 4 5 3 1 0 5 4 4 0 4 4 1 0 2 0 5 4 0 2 3 0 4 2 0 2 3 0 2 5 5 4 3 0 2 0 5 4 5 4 0 5
output:
1 33
result:
ok 2 lines
Test #10:
score: 6
Accepted
time: 4ms
memory: 14036kb
input:
100000 10 10 NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN...
output:
1 10
result:
ok 2 lines
Test #11:
score: 6
Accepted
time: 2ms
memory: 13928kb
input:
100000 11 11 SWNESSSWNSEWNSNESSNWEWEWNSNNSWSSWSEEWNENWSWNNEWWSWNSESSEWENNESSENEEEESEESEWENEWSNSNNSSNNSWSNNSNESWEWSENNSESEEWWNESSNNWWSNWNNWNWNWWSEENNNWESSWNWNSEWWNWNNWSWSEWSENSNWNWNNEESSSENWWESSWEESWWENSSENWNNEESWENWSSSWEEWNWEWNNENNWSWEWSNNEESESNWNSEEENWWESSWEEWWSWESSNNEEWWNSSWSNEWSENSNNSENNSSNSSEEEE...
output:
27 27
result:
ok 2 lines
Test #12:
score: 6
Accepted
time: 0ms
memory: 14188kb
input:
100000 10 10 EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE...
output:
1 16
result:
ok 2 lines
Test #13:
score: 6
Accepted
time: 2ms
memory: 13968kb
input:
100000 1 1 WWSSSWEEEEESSNSSSSENWSESSNSWWSWESWSEEWSNSSEESSWESNNNENENWEENSSSSSNENESEESEWWSNNWSEWSWNWESSWNWSEESNSWSWENWEWNWESEWSSNSWENEWNNSWEEWWSSSWNSNWWWNSSWSSNSENESENNNENWESSENNEWENWEENWNWSSSWWWSNWESWEESNNNESNNEESNEWSSNNSSWSSESNSNNWENENEWWWSEESNWEWWNWNNSSNEEWSWNSWEESNSNSNEWNNWWWWSSWSWWESWWENSENWNWNWN...
output:
1 1
result:
ok 2 lines
Test #14:
score: 6
Accepted
time: 0ms
memory: 13932kb
input:
100000 50 50 ENWNNWEESNSNSSESSWNEWWESNWEENNEEWWEWNNESSSEWSWNWEWSSNEEWNSEWSSWNESWSWESEWWSENEWESEWSWSNNWWESSSWSSSESESNSSNESSSWSNWSSSENSWWNWNWNNNSNSNSEENWESENEENNESENSENNWEEESENWSESWSNWNNNSNSNWWENWEEEWSNWWEWSWNSEEEWEWWNSWNNNWWENSNSWWSNNWESNSSSWWNSEWSNWNEEESSEWEESENEESWSNNWSNESEESWEESNWSEEWWSSWESENESSSE...
output:
2500 2500
result:
ok 2 lines
Test #15:
score: 6
Accepted
time: 1ms
memory: 14104kb
input:
100 10 10 NENNWNSNNEWNENENNWWNEWNSNWWSSSNSNESSESWESSNNNNEWSWESNSNWSENWNSESNENWSWEWWWNSNWNWESNSESENNWNNWSSWSNSE 2 1 4 1 4 2 1 3 2 4 1 4 4 4 3 3 4 2 2 1 1 3 1 4 2 2 1 4 2 2 2 3 4 3 3 3 1 2 4 1 2 2 3 4 3 4 4 1 3 4 1 4 4 3 4 4 1 4 4 2 1 4 3 4 1 1 3 3 4 3 4 4 1 2 3 3 2 3 4 4 2 4 2 1 1 3 4 2 4 4 2 1 2 3 4...
output:
1 1
result:
ok 2 lines
Test #16:
score: 0
Wrong Answer
time: 5ms
memory: 13996kb
input:
100000 50 2 ESNNNSWNNESEWSWWWSENWENSWSNSENSWSENWWNEENNWWNESWNWSEWSWWNSSWSSNENSWWWEEEEENSNWWNNESEWSSNSEEENWWNWWNEENSENWSWEWWNNWWNESSSNWNWWSEWEESESNEEEWNNWWEEEESWSEWWNNSNENWWSEEWNWSNWWEEWNSNWWWWWNWWNNSENNEWSEWENSSSSNWSSSNWSNSNEWESEESWWSEEWWWNWWNESNSNSSNEEWSSENNNEEENSNEEEESNSWNNESEENNEESNSSWENSWSWSNSEE...
output:
1000000000 0
result:
wrong answer 1st lines differ - expected: '46', found: '1000000000'
Subtask #3:
score: 0
Skipped
Dependency #1:
0%