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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#102729 | #6305. Chinese Checker | kingsnow | WA | 27ms | 3648kb | C++14 | 4.4kb | 2023-05-03 16:40:54 | 2023-05-03 16:40:57 |
Judging History
answer
//#pragma GCC optimize(3,"Ofast","inline")
//#pragma GCC optimize("-Ofast","-funroll-all-loops")
#include<bits/stdc++.h>
//#define getchar nc
#define sight(c) ('0'<=c&&c<='9')
#define swap(a,b) a^=b,b^=a,a^=b
#define LL long long
#define debug(a) cout<<#a<<" is "<<a<<"\n"
#define dput(a) puts("a")
#define eho(x) for(int i=head[x];i;i=net[i])
#define fi first
#define se second
inline char nc(){
static char buf[1000000],*p1=buf,*p2=buf;
return p1==p2&&(p2=(p1=buf)+fread(buf,1,1000000,stdin),p1==p2)?EOF:*p1++;
}
template <class T>
inline void read(T &x){// unsigned
static char c;
for (c=getchar();!sight(c);c=getchar());
for (x=0;sight(c);c=getchar())x=x*10+c-48;
}
template <class T> void write(T x){if (x<10) {putchar('0'+x); return;} write(x/10); putchar('0'+x%10);}
template <class T> inline void writeln(T x){ if (x<0) putchar('-'),x*=-1; write(x); putchar('\n'); }
template <class T> inline void writel(T x){ if (x<0) putchar('-'),x*=-1; write(x); putchar(' '); }
using namespace std;
#define pii pair<int,int>
map<pii,int> ma,usd;
int L[19]={0,1,1,1,1,-3,-2,-1,0,1,1,1,1,1,6,7,8,9};
int R[19]={0,1,2,3,4,9,9,9,9,9,10,11,12,13,9,9,9,9};
bool ok(pii Z){
if (ma.count(Z)) return 0;
if (Z.fi<1||Z.fi>17) return 0;
if (L[Z.fi]>Z.se||R[Z.fi]<Z.se) return 0;
return 1;
}
#define N 182
int T,n,a[N],b[N];
queue<pii> Q;
signed main() {
#ifdef LOCAL
// freopen("test.in", "r", stdin);
// freopen("test.out", "w", stdout);
#endif
scanf("%d",&T);
while (T--) {
scanf("%d",&n);
for (int i=1;i<=n;i++) {
scanf("%d%d",&a[i],&b[i]);
if (5<=a[i]&&a[i]<=8) b[i]-=9-a[i];
if (a[i]>=14) b[i]+=a[i]-9;
ma[pii(a[i],b[i])]=1;
}
int ans=0;
for (int i=1;i<=n;i++) {
Q.push(pii(a[i],b[i]));
usd.clear();
usd[pii(a[i],b[i])]=1;
ma.erase(pii(a[i],b[i]));
while (Q.size()) {
pii X=Q.front(); Q.pop();
pii net;
for (int j=X.fi+1;j<=17;j++)
if (ma.count(pii(j,X.se))&&pii(j,X.se)!=pii(a[i],b[i])) {
net=pii(2*j-X.fi,X.se);
int flag=1;
for (int k=j+1;k<=2*j-X.fi;k++)
if (!ok(pii(k,X.se))){flag=0; break;}
if (flag==0) break;
if (ok(net)&&!usd.count(net)) {
usd[net]=1;
ans++;
Q.push(net);
}
break;
}
for (int j=X.fi-1;j;j--)
if (ma.count(pii(j,X.se))&&pii(j,X.se)!=pii(a[i],b[i])) {
net=pii(2*j-X.fi,X.se);
int flag=1;
for (int k=j-1;k>=2*j-X.fi;k--)
if (!ok(pii(k,X.se))){flag=0; break;}
if (flag==0) break;
if (ok(net)&&!usd.count(net)) {
usd[net]=1;
ans++;
Q.push(net);
}
break;
}
for (int j=X.se+1;j<=17;j++)
if (ma.count(pii(X.fi,j))&&pii(X.fi,j)!=pii(a[i],b[i])) {
net=pii(X.fi,2*j-X.se);
int flag=1;
for (int k=j+1;k<=2*j-X.se;k++)
if (!ok(pii(X.fi,k))){flag=0; break;}
if (flag==0) break;
if (ok(net)&&!usd.count(net)) {
ans++;
Q.push(net);
}
break;
}
for (int j=X.se-1;j>-6;j--)
if (ma.count(pii(X.fi,j))&&pii(X.fi,j)!=pii(a[i],b[i])) {
net=pii(X.fi,2*j-X.se);
int flag=1;
for (int k=j-1;k>=2*j-X.se;k--)
if (!ok(pii(X.fi,k))){flag=0; break;}
if (flag==0) break;
if (ok(net)&&!usd.count(net)) {
usd[net]=1;
ans++;
Q.push(net);
}
break;
}
for (int dla=1;dla<=8;dla++)
if (ma.count(pii(X.fi+dla,X.se+dla))&&pii(X.fi+dla,X.se+dla)!=pii(a[i],b[i])) {
net=pii(X.fi+2*dla,X.se+2*dla);
int flag=1;
for (int k=1;k<=dla;k++)
if (!ok(pii(X.fi+dla+k,X.se+dla+k))){flag=0; break;}
if (flag==0) break;
if (ok(net)&&!usd.count(net)) {
usd[net]=1;
ans++;
Q.push(net);
}
break;
}
for (int dla=1;dla<=8;dla++)
if (ma.count(pii(X.fi-dla,X.se-dla))&&pii(X.fi-dla,X.se-dla)!=pii(a[i],b[i])) {
net=pii(X.fi-2*dla,X.se-2*dla);
int flag=1;
for (int k=1;k<=dla;k++)
if (!ok(pii(X.fi-dla-k,X.se-dla-k))){flag=0; break;}
if (flag==0) break;
if (ok(net)&&!usd.count(net)) {
usd[net]=1;
ans++;
Q.push(net);
}
break;
}
}
ma[pii(a[i],b[i])]=1;
}
ma.clear();
printf("%d\n",ans);
ans=0;
}
return 0;
}
/*
1
10
1 1
2 1
2 2
5 7
3 2
3 3
4 1
4 2
4 3
4 4
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3636kb
input:
5 1 1 1 2 1 1 2 1 2 9 4 9 6 10 1 1 2 1 2 2 3 1 3 2 3 3 4 1 4 2 4 3 4 4 10 1 1 2 1 2 2 5 7 3 2 3 3 4 1 4 2 4 3 4 4
output:
0 1 2 6 13
result:
ok 5 number(s): "0 1 2 6 13"
Test #2:
score: -100
Wrong Answer
time: 27ms
memory: 3648kb
input:
100 81 1 1 16 1 11 4 13 8 12 3 12 12 11 1 4 2 9 5 8 10 5 5 9 7 3 2 14 1 7 11 13 7 10 2 8 3 9 8 10 6 12 10 6 7 11 2 7 3 13 12 8 6 17 1 10 5 5 12 13 9 13 1 9 4 5 10 11 8 13 4 5 4 9 1 7 8 5 6 13 13 5 1 9 3 8 8 8 5 13 2 13 5 11 3 9 2 6 4 3 3 8 2 13 11 8 7 5 7 6 10 11 9 10 3 11 10 6 3 7 1 4 4 15 2 7 2 3 ...
output:
211 434 249 571 406 266 165 41 362 91 1 149 114 70 26 150 428 331 10 232 101 210 290 18 111 263 363 541 188 89 250 313 25 8 113 198 458 317 53 179 319 49 10 191 89 205 30 156 380 131 219 335 0 116 123 61 22 5 75 179 185 27 511 183 228 4 55 0 265 110 110 461 0 405 82 121 79 394 73 31 527 394 6 215 94...
result:
wrong answer 1st numbers differ - expected: '190', found: '211'