#include "rainbow.h"
#include "bits/stdc++.h"
using namespace std;
#ifndef EVAL
#include "grader.cpp"
#endif
#define int long long
#define i32 int32_t
#define ar array
const int N = 2e5 + 5;
struct MSST{
vector<int> tree[N << 2];
void add(int i, int y, int lx = 0, int rx = N, int x = 1){
tree[x].push_back(y);
if(lx == rx) return;
int m = (lx + rx) >> 1;
if(i <= m) add(i, y, lx, m, x<<1);
else add(i, y, m+1, rx, x<<1|1);
}
void build(int lx = 0, int rx = N, int x = 1){
sort(tree[x].begin(), tree[x].end());
if(lx == rx) return;
int m = (lx + rx) >> 1;
build(lx, m, x<<1), build(m+1, rx, x<<1|1);
}
int get(int l, int r, int l_, int r_, int lx = 0, int rx = N, int x = 1){
if(lx > r || rx < l) return 0;
if(lx >= l && rx <= r){
auto R = upper_bound(tree[x].begin(), tree[x].end(), r_);
auto L = lower_bound(tree[x].begin(), tree[x].end(), l_);
return R - L;
} int m = (lx + rx) >> 1;
return get(l, r, l_, r_, lx, m, x<<1) + get(l, r, l_, r_, m+1, rx, x<<1|1);
}
}ed[2], ver, sq; //, ver, sq;
set<ar<int, 2>> ss, tot, is[2];
void init(i32 n, i32 m, i32 x, i32 y, i32 k, char *s) {
ss.insert({x, y});
for(int i=0;i<k;i++){
if(s[i] == 'N') x--;
if(s[i] == 'S') x++;
if(s[i] == 'W') y--;
if(s[i] == 'E') y++;
ss.insert({x, y});
}
for(auto x : ss){
//~ cout<<x[0]<<" "<<x[1]<<"\n";
is[0].insert(x);
is[0].insert({x[0] + 1, x[1]});
is[1].insert(x);
is[1].insert({x[0], x[1] + 1});
tot.insert(x);
tot.insert({x[0] + 1, x[1]});
tot.insert({x[0], x[1] + 1});
tot.insert({x[0] + 1, x[1] + 1});
sq.add(x[0], x[1]);
}
for(auto x : tot){
if(is[0].count(x)) ed[0].add(x[0], x[1]);
if(is[1].count(x)) ed[1].add(x[0], x[1]);
ver.add(x[0], x[1]);
}
ed[0].build();
ed[1].build();
ver.build();
sq.build();
}
/*
6 4 9 4
3 3
NWESSWEWS
2 3 2 3
3 2 4 4
5 3 6 4
1 2 5 3
*/
i32 colour(i32 lx, i32 ly, i32 rx, i32 ry) {
if(lx > rx) swap(lx, rx);
if(ly > ry) swap(ly, ry);
int ee = ed[0].get(lx, rx + 1, ly, ry);
ee += ed[1].get(lx, rx, ly, ry + 1);
int V = ver.get(lx, rx + 1, ly, ry + 1);
int tmp = 0, tt = 0;
tmp += ver.get(lx, lx, ly, ry + 1);
tt += ed[0].get(lx, lx, ly, ry);
tmp += ver.get(rx + 1, rx + 1, ly, ry + 1);
tt += ed[0].get(rx + 1, rx + 1, ly, ry);
if(lx < rx) tmp += ver.get(lx + 1, rx, ly, ly);
tt += ed[1].get(lx, rx, ly, ly);
if(lx < rx) tmp += ver.get(lx + 1, rx, ry + 1, ry + 1);
tt += ed[1].get(lx, rx, ry + 1, ry + 1);
int v = (rx - lx + ry - ly + 2) * 2;
V += (v - tmp);
ee += (v - tt);
//~ cout<<tmp<<" "<<tt<<"\n";
int F = sq.get(lx, rx, ly, ry);
//~ assert(1 - V + ee - F >= 0);
return (1 - V + ee - F);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
43 ms |
75716 KB |
Output is correct |
2 |
Correct |
47 ms |
76596 KB |
Output is correct |
3 |
Incorrect |
44 ms |
75760 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
75412 KB |
Output is correct |
2 |
Correct |
38 ms |
75416 KB |
Output is correct |
3 |
Correct |
852 ms |
155272 KB |
Output is correct |
4 |
Correct |
1247 ms |
215388 KB |
Output is correct |
5 |
Correct |
1245 ms |
212564 KB |
Output is correct |
6 |
Correct |
992 ms |
188612 KB |
Output is correct |
7 |
Correct |
1008 ms |
179704 KB |
Output is correct |
8 |
Correct |
216 ms |
76196 KB |
Output is correct |
9 |
Correct |
1165 ms |
214988 KB |
Output is correct |
10 |
Correct |
1222 ms |
212740 KB |
Output is correct |
11 |
Correct |
986 ms |
186648 KB |
Output is correct |
12 |
Correct |
1171 ms |
206636 KB |
Output is correct |
13 |
Correct |
1035 ms |
213696 KB |
Output is correct |
14 |
Correct |
1031 ms |
211956 KB |
Output is correct |
15 |
Correct |
894 ms |
188168 KB |
Output is correct |
16 |
Correct |
961 ms |
182312 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
75348 KB |
Output is correct |
2 |
Correct |
1105 ms |
213800 KB |
Output is correct |
3 |
Correct |
658 ms |
232456 KB |
Output is correct |
4 |
Correct |
658 ms |
232080 KB |
Output is correct |
5 |
Correct |
587 ms |
187900 KB |
Output is correct |
6 |
Correct |
172 ms |
102200 KB |
Output is correct |
7 |
Incorrect |
309 ms |
127644 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
43 ms |
75716 KB |
Output is correct |
2 |
Correct |
47 ms |
76596 KB |
Output is correct |
3 |
Incorrect |
44 ms |
75760 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
43 ms |
75716 KB |
Output is correct |
2 |
Correct |
47 ms |
76596 KB |
Output is correct |
3 |
Incorrect |
44 ms |
75760 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |