#include "rainbow.h"
#include<bits/stdc++.h>
using namespace std;
int n;int m;int sx;int sy;
string s;
int gr[5][200005];
struct SGTR{
int l;int r;
int gp[3];
}tr[800005];
void buildtr(int nw,int l,int r){
tr[nw].l=l;tr[nw].r=r;
if(l==r){
tr[nw].gp[0]=0;
tr[nw].gp[1]=0;
tr[nw].gp[2]=0;
if(gr[1][l]||gr[2][l]){
tr[nw].gp[0]=1;
}
if(gr[1][l]){
tr[nw].gp[1]=1;
}
if(gr[2][l]){
tr[nw].gp[2]=1;
}
return;
}
int mi=(l+r)/2;
buildtr(nw*2,l,mi);
buildtr(nw*2+1,mi+1,r);
tr[nw].gp[0]=tr[nw*2].gp[0]+tr[nw*2+1].gp[0];
if((gr[1][mi]&&gr[1][mi+1])||(gr[2][mi]&&gr[2][mi+1])){
tr[nw].gp[0]--;
}
if((gr[2][mi]&&gr[2][mi+1])){
tr[nw].gp[2]--;
}
if((gr[1][mi]&&gr[1][mi+1])){
tr[nw].gp[1]--;
}
}
void init(int R, int C, int sr, int sc, int M, char *S) {
n=R;m=C;
gr[sr][sc]=1;
for(int i=0;i<M;i++){
if(S[i]=='N'){sr--;}
if(S[i]=='S'){sr++;}
if(S[i]=='W'){sc--;}
if(S[i]=='E'){sc++;}
gr[sr][sc]=1;
}
for(int i=1;i<=C;i++){
gr[1][i]^=1;
gr[2][i]^=1;
}
buildtr(1,1,C);
}
int ans;int vs;
void slv(int pl,int id){
if(id==0){
if( (gr[1][pl-1]&&gr[1][pl])||(gr[2][pl-1]&&gr[2][pl]) ){
ans--;
}
return;
}
if( (gr[id][pl-1]&&gr[id][pl]) ){
ans--;
}
}
void qry(int nw,int l,int r,int id){
if(tr[nw].l>=l&&tr[nw].r<=r){
ans+=tr[nw].gp[id];
if(vs){slv(tr[nw].l,id);}
vs=1;
return;
}
if(tr[nw].l>r||tr[nw].r<l){
return;
}
qry(nw*2,l,r,id);qry(nw*2+1,l,r,id);
}
int colour(int ar, int ac, int br, int bc) {
ans=0;vs=0;
if(ar==1&&br==2){
qry(1,ac,bc,0);
return ans;
}
qry(1,ac,bc,ar);
return ans;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Runtime error |
2 ms |
596 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Runtime error |
1 ms |
340 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |