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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 |
---|---|---|---|---|---|---|---|---|---|
#28353 | #2353. Maharajas are Going Home | Wu_Ren | WA | 357ms | 23584kb | C++17 | 1.3kb | 2022-04-13 18:57:24 | 2022-04-29 09:39:52 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int n;
bitset<4001>r[2010],c[2010],h[4010],*d,tp;
int sg[2010][2010],x[20],y[20];
void sol(){
scanf("%d",&n);
int ans=0;
for(int i=1;i<=n;i++) scanf("%d%d",&x[i],&y[i]),x[i]--,y[i]--,ans^=sg[x[i]][y[i]];
if(ans){
for(int i=1;i<=n;i++) if(sg[x[i]][y[i]]>(ans^sg[x[i]][y[i]])){
int w=ans^sg[x[i]][y[i]];
printf("%d ",i);
pair<int,int>tp={4000,4000};
for(int j=0;j<y[i];j++) if(sg[x[i]][j]==w) tp=min(tp,{x[i]+1,j+1});
for(int j=0;j<x[i];j++) if(sg[j][y[i]]==w) tp=min(tp,{j+1,y[i]+1});
for(int j=1;j<=x[i]&&j<=y[i];j++) if(sg[x[i]-j][y[i]-j]==w) tp=min(tp,{x[i]-j+1,y[i]-j+1});
if(x[i]>1&&y[i]>0&&sg[x[i]-2][y[i]-1]==w) tp=min(tp,{x[i]-1,y[i]});
if(x[i]>0&&y[i]>1&&sg[x[i]-1][y[i]-2]==w) tp=min(tp,{x[i],y[i]-1});
printf("%d %d\n",tp.first,tp.second);
break;
}
}
else puts("-1 -1 -1");
}
void init(int n){
d=h+n;
for(int i=0;i<n;i++){
r[i].set(),c[i].set();
}
for(int i=-n+1;i<n;i++) d[i].set();
for(int i=0;i<n;i++) for(int j=0;j<n;j++){
tp=r[i]&c[j]&d[i-j];
if(i>1&&j>0) tp.set(sg[i-2][j-1],0);
if(i>0&&j>1) tp.set(sg[i-1][j-2],0);
sg[i][j]=tp._Find_first();
r[i].set(sg[i][j],0),c[j].set(sg[i][j],0),d[i-j].set(sg[i][j],0);
}
}
int main(){
init(2000);
int T;
scanf("%d",&T);
while(T--) sol();
}
詳細信息
Test #1:
score: 100
Accepted
time: 357ms
memory: 23584kb
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: 345ms
memory: 23364kb
input:
1 1 1 1
output:
-1 -1 -1
result:
ok single line: '-1 -1 -1'
Test #3:
score: 0
Accepted
time: 341ms
memory: 23496kb
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: 329ms
memory: 23424kb
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: 342ms
memory: 23532kb
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'