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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#538072 | #2615. Surround the Cat | Lavine# | WA | 0ms | 3788kb | C++14 | 2.1kb | 2024-08-30 22:51:24 | 2024-08-30 22:51:25 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=105,k1[6][2]={1,1,1,0,0,-1,-1,-1,-1,0,0,1},k2[6][2]={1,2,2,1,1,-1,-1,-2,-2,-1,-1,1},P=50;
int v[N][N],cx,cy,g[N][N];
void Pt(int x,int y){
printf("%d %d\n",x,y);
g[x+P][y+P]=1;
fflush(stdout);
}
void init(){
for(int i=0;i<=9;++i)v[9+P][i+P]=v[i+P][9+P]=1;
for(int i=0;i<=9;++i)v[P-i][P+9-i]=v[P-9][P-i]=1;
for(int i=0;i<=9;++i)v[P-i][P-9]=v[P+i][P-9+i]=1;
// for(int i=-9;i<=9;++i){
// for(int j=-9;j<=9;++j){
// printf("%d ",v[i+P][j+P]);
// }
// puts("");
// }
scanf("%d %d",&cx,&cy);
Pt(9,1);
scanf("%d %d",&cx,&cy);
Pt(8,9);
scanf("%d %d",&cx,&cy);
Pt(-1,8);
scanf("%d %d",&cx,&cy);
Pt(-9,-1);
scanf("%d %d",&cx,&cy);
Pt(-8,-9);
scanf("%d %d",&cx,&cy);
Pt(1,-8);
scanf("%d %d",&cx,&cy);
}
bool ck(int x,int y){
return v[x+P][y+P]&&!g[x+P][y+P];
}
void Rd(){
bool fl=1;
for(int i=0;i<6;++i){
int x=cx+k1[i][0],y=cy+k1[i][1];
if(!g[x][y]){
fl=0;
break;
}
}
if(fl){
// puts("win");
exit(0);
}
scanf("%d %d",&cx,&cy);
while(g[cx+P][cy+P]){
// puts("cat can't walk here.");
scanf("%d %d",&cx,&cy);
}
if(v[cx][cy]){
// puts("lose");
exit(0);
}
}
vector<pair<int,int> >nb1,nb2;
int main(){
init();
while(1){
nb1.clear(),nb2.clear();
for(int i=0;i<6;++i){
if(ck(cx+k1[i][0],cy+k1[i][1]))nb1.push_back(make_pair(cx+k1[i][0],cy+k1[i][1]));
if(ck(cx+k2[i][0],cy+k2[i][1]))nb2.push_back(make_pair(cx+k2[i][0],cy+k2[i][1]));
}
if(!nb1.empty()){
for(auto t:nb1)Pt(t.first,t.second);
}else if(!nb2.empty()){
for(auto t:nb2)Pt(t.first,t.second);
}else {
for(int i=0;i<6;++i){
int x=cx+k1[i][0],y=cy+k1[i][1];
if(!g[x][y]){
Pt(x,y);
break;
}
}
}
Rd();
}
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3788kb
input:
0 0 1 0 2 1 3 2 4 3 5 4 6 5 7 5 7 4 7 3 7 4 7 3 7 2 7 1 7 2 7 1 7 2 7 3 7 2 7 1 7 2 7 3 7 4 7 5 7 4 7 5 7 4 7 5 7 4 7 3 7 2 7 3 7 2 7 1 7 0 7 1 7 0 6 -1 5 -2 4 -3 5 -2 4 -3 3 -4 4 -3 3 -4 2 -5 3 -4 2 -5 1 -6 0 -7
output:
9 1 8 9 -1 8 -9 -1 -8 -9 1 -8 7 6 9 6 9 5 9 4 8 5 8 4 9 3 9 2 8 3 8 2 8 3 8 4 8 3 8 2 8 3 8 4 8 5 8 6 8 5 8 6 8 5 8 6 8 5 8 4 8 3 8 4 8 3 8 2 8 -1 8 2 8 1 7 -2 6 -3 5 -4 6 -1 5 -2 4 -5 5 -2 4 -3 3 -6 4 -3 3 -4 2 -7
result:
wrong answer format Unexpected end of file - int32 expected