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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#21571 | #2851. 生生不息 | ha114514ha# | AC ✓ | 1ms | 5716kb | C++20 | 4.2kb | 2022-03-07 15:10:02 | 2022-05-08 03:38:54 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<string.h>
#include<queue>
#include<vector>
#include<map>
#include<bitset>
#include<set>
#include<cmath>
#include<ctime>
#include<random>
#define vi vector<int>
#define pb push_back
#define fi first
#define se second
#define mp make_pair
#define bc(x) __builtin_popcount(x)
#define re register
#define il inline
#define pii pair<int,int>
#define pil pair<int,long long>
#define pll pair<long long,long long>
#define mem0(x) memset(x,0,sizeof(x))
#define mem0x3f(x) memset(x,0x3f,sizeof(x))
#define dbg(x) cerr<<"In Line "<< __LINE__<<" the "<<#x<<" = "<<x<<'\n';
// #pragma GCC optimize(3)
#define int long long
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
namespace IO_BUFF{
mt19937 rnd(time(0)^(ll)(new char));
int rend(int x){
return rnd()%x+1;
}
void rendom_shuffle(int *a,int len){
shuffle(a+1,a+len+1,rnd);
}
const int BS=(1<<24)+5;char Buffer[BS],*HD,*TL;
inline int gc(){
if(HD==TL) TL=(HD=Buffer)+fread(Buffer,1,BS,stdin);
return (HD==TL)?EOF:*HD++;
}
inline int inn(){
int x,ch,s=1;while((ch=gc())<'0'||ch>'9')if(ch=='-')s=-1;x=ch^'0';
while((ch=gc())>='0'&&ch<='9') x=(x<<1)+(x<<3)+(ch^'0');return x*s;
}
char ssss[19999999],tttt[20];int ssl,ttl;
inline int print(int x)
{
if(x<0)ssss[++ssl]='-',x=(-x);
if(!x) ssss[++ssl]='0';for(ttl=0;x;x/=10) tttt[++ttl]=char(x%10+'0');
for(;ttl;ttl--) ssss[++ssl]=tttt[ttl];return ssss[++ssl]='\n';
}
inline int Flush(){return fwrite(ssss+1,sizeof(char),ssl,stdout),ssl=0,0;}
int read(){
char c=getchar();int x=1;int s=0;
while(c<'0' || c>'9'){if(c=='-')x=-1;c=getchar();}
while(c>='0' && c<='9'){
s=s*10+c-'0';c=getchar();
}
return s*x;
}
}using namespace IO_BUFF;
namespace CFConTest{
const int mod=2148473648;
inline int add(const int &x,const int &y){
return (x+y>=mod?x+y-mod:x+y);
}
inline int del(const int &x,const int &y){
return (x-y<0?x-y+mod:x-y);
}
int ksm(int x,int k){
int base=1;
while(k){
if(k&1)base=1ll*base*x%mod;
k>>=1;
x=1ll*x*x%mod;
}
return base;
}
};
using namespace CFConTest;
int T,n,m;
int f[1<<25],vis[1<<25];
int dx[]={-1,-1,-1,0,0,1,1,1};
int dy[]={-1,0,1,-1,1,-1,0,1};
#define id(x,y) ((x-1)*m+y)
bool check(int x,int y){
if(x<1 || x>n || y<1 || y>m)return 0;
return 1;
}
int bj[1<<25];
int check(int x){
if(vis[x]){
if(f[x]==-1){
f[x]=1;return 1;
}
else return f[x];
}
vis[x]=1;
int ne=0;
for(int i=1;i<=n;i++){
for(int k=1;k<=m;k++){
int tmp=0;
for(int j=0;j<8;j++){
if(check(i+dx[j],k+dy[j])){
if(x&(1<<(id(i+dx[j],k+dy[j])-1)))tmp++;
}
}
if(tmp==3 && !(x&(1<<(id(i,k)-1))))ne|=(1<<((id(i,k)-1)));
if((tmp==2 || tmp==3) && (x&(1<<(id(i,k)-1))))ne|=(1<<(id(i,k)-1));
}
}
if(!ne)f[x]=0;
else f[x]=check(ne);
return f[x];
}
signed main(){
#ifdef newbiewzs
freopen("data.in","r",stdin);
#else
#endif
//T=read();
/*for(int i=1;i<=5;i++){
for(int k=1;k<=5;k++){
n=i;m=k;
// n=3;m=3;
memset(f,-1,sizeof(f));
memset(vis,0,sizeof(vis));
int ans=0;
for(int i=0;i<(1<<(n*m));i++){
if(check(i)==1){
ans++;
}
}
cout<<n<<" "<<m<<" "<<ans<<'\n';
}
}*/
T=read();
while(T--){
n=read();m=read();
if(n==1 && m==1)cout<<0<<'\n';
if(n==1 && m==2)cout<<0<<'\n';
if(n==1 && m==3)cout<<0<<'\n';
if(n==1 && m==4)cout<<0<<'\n';
if(n==1 && m==5)cout<<0<<'\n';
if(n==2 && m==1)cout<<0<<'\n';
if(n==2 && m==2)cout<<5<<'\n';
if(n==2 && m==3)cout<<18<<'\n';
if(n==2 && m==4)cout<<73<<'\n';
if(n==2 && m==5)cout<<267<<'\n';
if(n==3 && m==1)cout<<0<<'\n';
if(n==3 && m==2)cout<<18<<'\n';
if(n==3 && m==3)cout<<150<<'\n';
if(n==3 && m==4)cout<<1533<<'\n';
if(n==3 && m==5)cout<<11398<<'\n';
if(n==4 && m==1)cout<<0<<'\n';
if(n==4 && m==2)cout<<73<<'\n';
if(n==4 && m==3)cout<<1533<<'\n';
if(n==4 && m==4)cout<<31828<<'\n';
if(n==4 && m==5)cout<<469972<<'\n';
if(n==5 && m==1)cout<<0<<'\n';
if(n==5 && m==2)cout<<267<<'\n';
if(n==5 && m==3)cout<<11398<<'\n';
if(n==5 && m==4)cout<<469972<<'\n';
if(n==5 && m==5)cout<<12785753<<'\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5716kb
input:
25 2 4 2 3 2 1 1 5 4 2 5 4 5 3 2 5 1 4 4 4 5 2 5 1 4 5 3 3 3 2 4 3 5 5 3 1 4 1 3 5 3 4 1 3 1 2 2 2 1 1
output:
73 18 0 0 73 469972 11398 267 0 31828 267 0 469972 150 18 1533 12785753 0 0 11398 1533 0 0 5 0
result:
ok 25 lines