Submission #2528499
Source Code Expand
#include<iostream>
#include<cstdio>
#include<cmath>
#include<cstring>
#include<string>
#include<stack>
#include<queue>
#include<vector>
#include<algorithm>
#include<iomanip>
#include<utility>
#include<set>
#include<unordered_set>
typedef long long int ll;
#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) for(int i=0;i<signed(n);i++)
#define EREP(i,n) for(int i=1;i<=signed(n);i++)
#define ALL(a) (a).begin(),(a).end()
using std::cout;
using std::vector;
using std::endl;
using std::cin;
using std::string;
using std::min;
using std::max;
//#define EVEL 1
#ifdef EVEL
#define DEB(X) cout << /*#X <<":" <<*/X<<" " ;
#define TF(f) f ? cout<<"true " : cout<<"false ";
#define END cout<<"\n";
#else
#define DEB(X) {}
#define TF(f) {}
#define END {}
#endif
const ll MOD = 1000000007;
const ll INF = 9e9;
// typedef std::pair<int,int> P;
struct edge {int to,cost;};
#define VMAX 100000
ll N,K,ans=0;
ll X[100010],Y[100010];
ll W[3001][3001],B[3001][3001];
char C[100010];
//yxyx
ll imos(int a,int b,int c,int d,int mode){
int res=0;
if(a>c||b>d)return 0;
if(mode==0){
if((0<=c&&c<2*K)||(0<=d&&d<2*K))res+=W[c][d];
if((0<=c&&c<2*K)||(0<=b-1&&b-1<2*K))res-=W[c][b-1];
if((0<=a-1&&a-1<2*K)||(0<=d&&d<2*K))res-=W[a-1][d];
if((0<=a-1&&a-1<2*K)||(0<=b-1&&b-1<2*K))res+=W[a-1][b-1];
}else{
if((0<=c&&c<2*K)||(0<=d&&d<2*K))res+=B[c][d];
if((0<=c&&c<2*K)||(0<=b-1&&b-1<2*K))res-=B[c][b-1];
if((0<=a-1&&a-1<2*K)||(0<=d&&d<2*K))res-=B[a-1][d];
if((0<=a-1&&a-1<2*K)||(0<=b-1&&b-1<2*K))res+=B[a-1][b-1];
}
return res;
}
int main(){
std::ios_base::sync_with_stdio(false);
cin>>N>>K;
REP(i,N){
cin>>X[i]>>Y[i]>>C[i];
X[i]%=2*K,Y[i]%=2*K;
if(C[i]=='W')W[Y[i]][X[i]]++;
else B[Y[i]][X[i]]++;
}
REP(i,2*K)REP(j,2*K){
W[i][j+1]+=W[i][j];
B[i][j+1]+=B[i][j];
}
REP(i,2*K)REP(j,2*K){
W[i+1][j]+=W[i][j];
B[i+1][j]+=B[i][j];
}
REP(i,2*K){REP(j,2*K){
DEB(B[K-1-i][j])
}END}
REP(i,K)REP(j,K)REP(k,2){
ll tans=0;
tans+=imos(0,0,i-1,j-1,(k==0?0:1));
tans+=imos(0,j,i-1,j+K-1,(k!=0?0:1));
tans+=imos(0,j+K,i-1,2*K-1,(k==0?0:1));
tans+=imos(i,0,i+K-1,j-1,(k!=0?0:1));
tans+=imos(i,j,i+K-1,j+K-1,(k==0?0:1));
tans+=imos(i,j+K,i+K-1,2*K-1,(k!=0?0:1));
tans+=imos(K+i,0,2*K-1,j-1,(k==0?0:1));
tans+=imos(K+i,j,2*K-1,j+K-1,(k!=0?0:1));
tans+=imos(K+i,j+K,2*K-1,2*K-1,(k==0?0:1));
ans=max(tans,ans);
}
cout<<ans<<endl;
return 0;
}
Submission Info
Submission Time |
|
Task |
D - Checker |
User |
Nafmo2 |
Language |
C++14 (GCC 5.4.1) |
Score |
0 |
Code Size |
2762 Byte |
Status |
WA |
Exec Time |
200 ms |
Memory |
99328 KB |
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
0 / 500 |
Status |
|
|
Set Name |
Test Cases |
Sample |
0_000.txt, 0_001.txt, 0_002.txt |
All |
0_000.txt, 0_001.txt, 0_002.txt, 1_003.txt, 1_004.txt, 1_005.txt, 1_006.txt, 1_007.txt, 1_008.txt, 1_009.txt, 1_010.txt, 1_011.txt, 1_012.txt, 1_013.txt, 1_014.txt, 1_015.txt, 1_016.txt, 1_017.txt, 1_018.txt, 1_019.txt, 1_020.txt, 1_021.txt, 1_022.txt, 1_023.txt, 1_024.txt, 1_025.txt, 1_026.txt, 1_027.txt, 1_028.txt, 1_029.txt, 1_030.txt |
Case Name |
Status |
Exec Time |
Memory |
0_000.txt |
AC |
2 ms |
4352 KB |
0_001.txt |
AC |
167 ms |
98176 KB |
0_002.txt |
AC |
2 ms |
4352 KB |
1_003.txt |
AC |
167 ms |
98176 KB |
1_004.txt |
AC |
2 ms |
4352 KB |
1_005.txt |
AC |
2 ms |
4352 KB |
1_006.txt |
AC |
2 ms |
4352 KB |
1_007.txt |
AC |
5 ms |
13056 KB |
1_008.txt |
AC |
168 ms |
98176 KB |
1_009.txt |
AC |
2 ms |
4352 KB |
1_010.txt |
AC |
2 ms |
4352 KB |
1_011.txt |
AC |
2 ms |
4480 KB |
1_012.txt |
AC |
5 ms |
13056 KB |
1_013.txt |
AC |
170 ms |
98176 KB |
1_014.txt |
WA |
26 ms |
5504 KB |
1_015.txt |
WA |
26 ms |
5504 KB |
1_016.txt |
WA |
26 ms |
5632 KB |
1_017.txt |
WA |
29 ms |
14208 KB |
1_018.txt |
WA |
200 ms |
99328 KB |
1_019.txt |
AC |
7 ms |
13056 KB |
1_020.txt |
AC |
7 ms |
13056 KB |
1_021.txt |
AC |
7 ms |
13056 KB |
1_022.txt |
AC |
7 ms |
13056 KB |
1_023.txt |
AC |
7 ms |
13056 KB |
1_024.txt |
AC |
7 ms |
13056 KB |
1_025.txt |
WA |
22 ms |
5632 KB |
1_026.txt |
WA |
189 ms |
99328 KB |
1_027.txt |
WA |
22 ms |
5632 KB |
1_028.txt |
WA |
199 ms |
99328 KB |
1_029.txt |
WA |
22 ms |
5632 KB |
1_030.txt |
WA |
188 ms |
99328 KB |