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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#22474 | #2353. Maharajas are Going Home | DaBenZhongXiaSongKuaiDi# | WA | 831ms | 28240kb | C++20 | 2.7kb | 2022-03-09 19:00:12 | 2022-04-30 01:10:20 |
Judging History
answer
#include<iostream>
#include<cstdio>
#include<bitset>
using namespace std;
inline int read()
{
int n=0,f=1,ch=getchar();
while(ch<'0'||ch>'9')
{
if(ch=='-')f=-1;
ch=getchar();
}
while(ch>='0'&&ch<='9')
{
n=n*10+ch-'0';
ch=getchar();
}
return n*f;
}
bitset<6005>h[4005],l[4005],dj[4005],tmp;
int sg[2005][2005];
int tx[4005],ty[4005];
int main()
{
int ans=0;
for(int i=1;i<=4000;i++)
{
h[i].set();
l[i].set();
dj[i].set();
}
for(int i=1;i<=2000;i++)
{
for(int j=1;j<=2000;j++)
{
tmp.set();
tmp=tmp&h[i];
tmp=tmp&l[j];
tmp=tmp&dj[i-j+2000];
if(i>=3&&j>=2)tmp[sg[i-2][j-1]]=0;
if(i>=2&&j>=3)tmp[sg[i-1][j-2]]=0;
sg[i][j]=tmp._Find_first();
h[i][sg[i][j]]=0;
l[j][sg[i][j]]=0;
dj[i-j+2000][sg[i][j]]=0;
}
}
/*for(int i=1;i<=25;i++)
{
for(int j=1;j<=25;j++)
{
printf("%d ",sg[i][j]);
}
printf("\n");
}*/
int t,k,yh,sth;
int ansx,ansy;
t=read();
bool flag;
for(int greg=1;greg<=t;greg++)
{
yh=0;
k=read();
for(int i=1;i<=k;i++)
{
tx[i]=read();
ty[i]=read();
yh^=sg[tx[i]][ty[i]];
}
if(yh==0)
{
printf("-1 -1 -1\n");
continue;
}
sth=0;
for(int i=1;i<=k;i++)
{
if((sg[tx[i]][ty[i]]^yh)<sg[tx[i]][ty[i]])
{
sth=i;
break;
}
}
ansx=tx[sth];
ansy=ty[sth];
//printf("%d\n",sth);
flag=false;
for(int i=1;i<=tx[sth]-1;i++)
{
if(sg[i][ty[sth]]==(yh^sg[tx[sth]][ty[sth]]))
{
if(i<ansx)
{
ansx=i;
ansy=ty[sth];
}
}
}
if(flag==true)continue;
for(int i=1;i<=ty[sth]-1;i++)
{
if(sg[tx[sth]][i]==(yh^sg[tx[sth]][ty[sth]]))
{
if(tx[sth]<ansx||(tx[sth]==ansx&&i<ansy))
{
ansx=tx[sth];
ansy=i;
}
}
}
if(flag==true)continue;
for(int i=1;i<=min(tx[sth],ty[sth])-1;i++)
{
if(sg[tx[sth]-i][ty[sth]-i]==(yh^sg[tx[sth]][ty[sth]]))
{
if(tx[sth]-i<ansx||(tx[sth]-i==ansx&&ty[sth]-i<ansy))
{
ansx=tx[sth]-i;
ansy=ty[sth]-i;
}
}
}
if(flag==true)continue;
if(tx[sth]>=3&&ty[sth]>=2)
{
//printf("orz%d %d %d\n",sg[tx[sth]-2][ty[sth]-1],yh,sg[tx[sth]][ty[sth]]);
if(sg[tx[sth]-2][ty[sth]-1]==(yh^sg[tx[sth]][ty[sth]]))
{
if(tx[sth]-2<ansx||(tx[sth]-2==ansx&&ty[sth]-1<ansy))
{
ansx=tx[sth]-2;
ansy=ty[sth]-1;
}
}
}
if(flag==true)continue;
if(tx[sth]>=2&&ty[sth]>=3)
{
if(sg[tx[sth]-1][ty[sth]-2]==(yh^sg[tx[sth]][ty[sth]]))
{
if(tx[sth]-1<ansx||(tx[sth]-1==ansx&&ty[sth]-2<ansy))
{
ansx=tx[sth]-1;
ansy=ty[sth]-2;
}
}
}
printf("%d %d %d\n",sth,ansx,ansy);
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 803ms
memory: 28156kb
input:
3 5 2 3 3 2 3 3 3 3 3 3 1 2 4 2 1 1 3 2
output:
3 1 1 -1 -1 -1 2 1 1
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 789ms
memory: 28196kb
input:
1 1 1 1
output:
-1 -1 -1
result:
ok single line: '-1 -1 -1'
Test #3:
score: 0
Accepted
time: 831ms
memory: 28124kb
input:
100 1 5 5 1 1 5 1 5 4 1 4 4 1 2 2 1 5 3 1 4 5 1 2 4 1 4 1 1 3 2 1 3 2 1 1 4 1 2 5 1 4 2 1 5 3 1 5 5 1 4 2 1 3 4 1 3 4 1 4 2 1 3 1 1 1 5 1 1 4 1 4 1 1 4 5 1 2 5 1 5 1 1 4 1 1 2 4 1 2 5 1 3 4 1 2 5 1 5 4 1 4 4 1 2 3 1 3 4 1 5 4 1 1 3 1 3 4 1 1 5 1 5 1 1 2 3 1 3 1 1 1 1 1 5 2 1 2 5 1 1 4 1 3 3 1 4 3 1 ...
output:
1 1 1 1 1 1 1 2 4 1 1 1 1 1 1 1 4 2 1 2 4 -1 -1 -1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 -1 -1 -1 1 4 2 1 1 1 -1 -1 -1 1 2 4 1 2 4 -1 -1 -1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 1 2 4 1 1 1 1 1 1 -1 -1 -1 1 2 4 1 2 4 1 2 4 1 2 4 1 1 1 1 1 1 1 2 4 1 2 4 1 1 1 1 2 4 1 1 1 1 1 1 1 1 1 1 1 1 -1 -1 -1 1 4 2 1 2 4 1 1 1 ...
result:
ok 100 lines
Test #4:
score: 0
Accepted
time: 770ms
memory: 28240kb
input:
100 1 10 10 1 9 8 1 2 5 1 9 10 1 3 6 1 1 2 1 1 2 1 10 6 1 6 4 1 10 8 1 7 1 1 1 3 1 4 2 1 2 1 1 1 5 1 10 4 1 6 7 1 7 2 1 7 1 1 10 2 1 4 1 1 9 3 1 9 8 1 2 2 1 2 3 1 1 9 1 3 3 1 3 9 1 9 4 1 2 2 1 6 8 1 1 3 1 3 10 1 7 6 1 10 10 1 7 8 1 2 7 1 5 3 1 8 6 1 4 4 1 9 5 1 5 1 1 2 1 1 4 1 1 3 1 1 1 9 1 5 7 1 9 ...
output:
1 1 1 1 6 5 1 2 4 1 5 6 1 2 4 1 1 1 1 1 1 1 5 6 1 2 4 1 4 2 1 1 1 1 1 1 -1 -1 -1 1 1 1 1 1 1 1 2 4 1 3 7 1 4 2 1 1 1 1 4 2 1 1 1 1 7 3 1 6 5 1 1 1 1 1 1 1 1 1 1 1 1 1 3 7 1 2 4 1 1 1 1 2 4 1 1 1 1 3 7 1 5 6 1 1 1 1 5 6 1 2 4 1 4 2 1 4 2 1 1 1 1 6 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 4 1 7 3 1 4 2 1 3...
result:
ok 100 lines
Test #5:
score: -100
Wrong Answer
time: 828ms
memory: 28160kb
input:
100 2 100 100 87 49 2 38 68 61 81 2 41 26 82 40 2 15 92 26 90 2 87 50 76 15 2 41 85 57 30 2 52 7 73 19 2 78 15 95 71 2 51 72 5 34 2 20 83 74 1 2 63 42 74 75 2 97 96 35 72 2 17 84 98 52 2 84 37 50 5 2 55 26 62 4 2 67 13 45 64 2 11 93 45 58 2 39 9 64 26 2 49 17 40 18 2 38 51 34 2 2 30 6 50 60 2 19 24 ...
output:
1 91 91 2 30 50 2 27 40 2 10 74 2 2 15 2 53 26 2 51 19 2 23 71 2 5 22 1 7 70 2 25 26 1 86 85 2 64 52 1 28 37 1 49 20 2 18 64 1 2 84 2 45 7 2 40 6 1 38 20 1 30 5 1 19 22 1 10 42 1 9 11 2 12 51 2 42 43 1 19 14 1 24 35 1 5 4 2 57 55 2 41 28 2 75 25 2 2 54 1 14 30 1 32 29 2 1 45 1 18 65 2 12 46 1 49 35 ...
result:
wrong answer 5th lines differ - expected: '1 56 50', found: '2 2 15'