#include "plants.h"
#include <bits/stdc++.h>
using namespace std;
#define forn(i,_n) for(int i=0;i<_n;++i)
#define all(x) x.begin(),x.end()
#define pb push_back
#define pi pair<int,int>
#define f first
#define s second
using ll = long long;
const int N=2e5+55;
int p[N], L[N], R[N];
int n;
int k;
struct sgt {
vector<int> t,lazy; int sz=1;
sgt(int n) {
while (sz<n) sz<<=1;
t.assign(2*sz,0);
lazy.assign(4*sz,0);
}
void push(int v) {
t[v]+=lazy[v];
lazy[2*v+1]+=lazy[v];
lazy[2*v+2]+=lazy[v];
lazy[v]=0;
}
void add(int v, int l, int r, int lx, int rx, int x) {
if (lazy[v]) push(v);
if (rx<=l || r<=lx) return;
if (lx<=l && r<=rx) {
lazy[v]+=x;
push(v);
return;
}
int m=(l+r)>>1;
add(2*v+1,l,m,lx,rx,x);
add(2*v+2,m,r,lx,rx,x);
t[v]=max(t[2*v+1],t[2*v+2]);
}
void add(int l, int r, int x) {
add(0,0,sz,l,r,x);
}
int query(int v, int l, int r, int lx, int rx) {
if (lazy[v]) push(v);
if (rx<=l || r<=lx) return -1e9-7;
if (lx<=l && r<=rx) return t[v];
int m=(l+r)>>1;
int lq=query(2*v+1,l,m,lx,rx);
int rq=query(2*v+2,m,r,lx,rx);
t[v]=max(t[2*v+1],t[2*v+2]);
return max(lq,rq);
}
int query(int l, int r) {
return query(0,0,sz,l,r);
}
};
sgt st(N);
vector<int> adj[305];
int vis[305];
bitset<305> bs[305];
void dfs(int u) {
if (vis[u]==1) assert(0);
if (vis[u]) return;
bs[u][u]=1;
vis[u]=1;
for(auto&v:adj[u]) {
dfs(v);
bs[u]|=bs[v];
}
vis[u]=2;
}
void init(int _k, vector<int> r) {
k=_k;
n=r.size();
if (n<=300) {
forn(i,n) r[i]=k-1-r[i];
forn(i,n) r.pb(r[i]);
forn(i,n) r.pb(r[i]);
forn(it,n) {
for (int i=n; i<2*n; ++i) {
if (r[i]==k-1) {
int z=i;
for (int j=i; j>z-k; --j) if (r[j]==k-1) z=j;
for (int j=z+1; j<z+k; ++j) {
if (vis[j%n]) adj[j%n].pb(z%n);
else adj[z%n].pb(j%n);
}
vis[z%n]=1;
r[z%n]=-1e9;
for (int j=z; j>z-k; --j) {
r[(j%n)]++;
r[(j%n)+n]++;
r[(j%n)+2*n]++;
}
break;
}
}
}
forn(i,n) vis[i]=0;
forn(i,n) dfs(i);
return;
}
if (k==2) {
int z=0;
forn(i,n) r[i]^=1;
forn(i,n) if (r[i]==0) z=i;
for (int i=z+n; i>z; --i) {
if (r[i%n]) R[i%n]=R[(i+1)%n];
else R[i%n]=i%n;
}
z=0;
forn(i,n) if (r[i]) z=i;
++z;
for (int i=z; i<z+n; ++i) {
if (r[(i-1+n)%n]) L[i%n]=i%n;
else L[i%n]=L[(i-1+n)%n];
}
forn(i,n) {
L[i]+=n, R[i]+=n;
}
forn(i,n) {
if (L[i]==R[i] && L[i]==i+n) continue;
if (L[i]>=R[i]) L[i]-=n;
}
return;
}
if (2*k>n) {
forn(i,n) st.add(i,i+1,r[i]);
forn(i,n) {
int l=0, r=n-1;
while (l<r) {
int mid=(l+r+1)>>1;
int x=st.query(mid,n);
if (x!=k-1) r=mid-1;
else l=mid;
}
int z=r;
l=0, r=k;
while (l<r) {
int mid=(l+r)>>1;
int f=z-k+1;
int x;
if (f>=0) {
x=st.query(f,f+mid+1);
} else {
if (f+mid+1>0) {
x=max(st.query(f+n,n),st.query(0,f+mid+1));
} else {
x=st.query(f+n,f+mid+1+n);
}
}
if (x==k-1) r=mid;
else l=mid+1;
}
z=z-k+1+r;
if (z<0) z+=n;
p[z]=i;
st.add(z,z+1,-k);
int f=z-k+1;
if (f>=0) {
st.add(f,z,1);
} else {
st.add(0,z,1);
st.add(n+f,n,1);
}
}
return;
}
//vector<int> pr(2*n+1,0);
//forn(i,2*n) pr[i+1]=pr[i]+(r[i]==0);
}
int compare_plants(int x, int y) {
if (n<=300) {
if (bs[x][y]) {
return 1;
}
if (bs[y][x]) {
return -1;
}
return 0;
}
if (k==2) {
if (L[x]<=y && y<=R[x]) return 1;
if (L[x]<=y+n && y+n<=R[x]) return 1;
swap(x,y);
if (L[x]<=y && y<=R[x]) return -1;
if (L[x]<=y+n && y+n<=R[x]) return -1;
return 0;
}
if (2*k>n) {
if (p[x]>p[y]) return 1;
else return -1;
}
}
Compilation message
plants.cpp: In function 'int compare_plants(int, int)':
plants.cpp:208:1: warning: control reaches end of non-void function [-Wreturn-type]
208 | }
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6484 KB |
Output is correct |
3 |
Correct |
3 ms |
6484 KB |
Output is correct |
4 |
Correct |
3 ms |
6484 KB |
Output is correct |
5 |
Correct |
3 ms |
6484 KB |
Output is correct |
6 |
Correct |
43 ms |
10220 KB |
Output is correct |
7 |
Correct |
49 ms |
11712 KB |
Output is correct |
8 |
Correct |
66 ms |
14668 KB |
Output is correct |
9 |
Correct |
70 ms |
14712 KB |
Output is correct |
10 |
Correct |
65 ms |
14776 KB |
Output is correct |
11 |
Correct |
73 ms |
14692 KB |
Output is correct |
12 |
Correct |
65 ms |
14696 KB |
Output is correct |
13 |
Correct |
63 ms |
14768 KB |
Output is correct |
14 |
Correct |
63 ms |
14668 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6492 KB |
Output is correct |
3 |
Correct |
3 ms |
6484 KB |
Output is correct |
4 |
Correct |
3 ms |
6484 KB |
Output is correct |
5 |
Correct |
4 ms |
6484 KB |
Output is correct |
6 |
Correct |
10 ms |
6608 KB |
Output is correct |
7 |
Correct |
88 ms |
11256 KB |
Output is correct |
8 |
Correct |
4 ms |
6612 KB |
Output is correct |
9 |
Correct |
10 ms |
6504 KB |
Output is correct |
10 |
Correct |
88 ms |
11180 KB |
Output is correct |
11 |
Correct |
78 ms |
11156 KB |
Output is correct |
12 |
Correct |
73 ms |
11284 KB |
Output is correct |
13 |
Correct |
93 ms |
11280 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6492 KB |
Output is correct |
3 |
Correct |
3 ms |
6484 KB |
Output is correct |
4 |
Correct |
3 ms |
6484 KB |
Output is correct |
5 |
Correct |
4 ms |
6484 KB |
Output is correct |
6 |
Correct |
10 ms |
6608 KB |
Output is correct |
7 |
Correct |
88 ms |
11256 KB |
Output is correct |
8 |
Correct |
4 ms |
6612 KB |
Output is correct |
9 |
Correct |
10 ms |
6504 KB |
Output is correct |
10 |
Correct |
88 ms |
11180 KB |
Output is correct |
11 |
Correct |
78 ms |
11156 KB |
Output is correct |
12 |
Correct |
73 ms |
11284 KB |
Output is correct |
13 |
Correct |
93 ms |
11280 KB |
Output is correct |
14 |
Correct |
227 ms |
11684 KB |
Output is correct |
15 |
Correct |
2669 ms |
14904 KB |
Output is correct |
16 |
Correct |
225 ms |
11724 KB |
Output is correct |
17 |
Correct |
2670 ms |
14900 KB |
Output is correct |
18 |
Correct |
2449 ms |
14432 KB |
Output is correct |
19 |
Correct |
1871 ms |
15012 KB |
Output is correct |
20 |
Correct |
3025 ms |
14968 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6500 KB |
Output is correct |
3 |
Incorrect |
43 ms |
11140 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6484 KB |
Output is correct |
3 |
Correct |
4 ms |
6484 KB |
Output is correct |
4 |
Correct |
3 ms |
6484 KB |
Output is correct |
5 |
Correct |
4 ms |
6612 KB |
Output is correct |
6 |
Correct |
4 ms |
6484 KB |
Output is correct |
7 |
Correct |
12 ms |
7380 KB |
Output is correct |
8 |
Correct |
13 ms |
7528 KB |
Output is correct |
9 |
Correct |
13 ms |
7448 KB |
Output is correct |
10 |
Correct |
13 ms |
7616 KB |
Output is correct |
11 |
Correct |
12 ms |
7472 KB |
Output is correct |
12 |
Correct |
12 ms |
7440 KB |
Output is correct |
13 |
Correct |
17 ms |
7892 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6492 KB |
Output is correct |
3 |
Correct |
4 ms |
6496 KB |
Output is correct |
4 |
Correct |
3 ms |
6484 KB |
Output is correct |
5 |
Incorrect |
3 ms |
6484 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
6484 KB |
Output is correct |
2 |
Correct |
3 ms |
6484 KB |
Output is correct |
3 |
Correct |
3 ms |
6484 KB |
Output is correct |
4 |
Correct |
3 ms |
6484 KB |
Output is correct |
5 |
Correct |
3 ms |
6484 KB |
Output is correct |
6 |
Correct |
43 ms |
10220 KB |
Output is correct |
7 |
Correct |
49 ms |
11712 KB |
Output is correct |
8 |
Correct |
66 ms |
14668 KB |
Output is correct |
9 |
Correct |
70 ms |
14712 KB |
Output is correct |
10 |
Correct |
65 ms |
14776 KB |
Output is correct |
11 |
Correct |
73 ms |
14692 KB |
Output is correct |
12 |
Correct |
65 ms |
14696 KB |
Output is correct |
13 |
Correct |
63 ms |
14768 KB |
Output is correct |
14 |
Correct |
63 ms |
14668 KB |
Output is correct |
15 |
Correct |
3 ms |
6484 KB |
Output is correct |
16 |
Correct |
3 ms |
6492 KB |
Output is correct |
17 |
Correct |
3 ms |
6484 KB |
Output is correct |
18 |
Correct |
3 ms |
6484 KB |
Output is correct |
19 |
Correct |
4 ms |
6484 KB |
Output is correct |
20 |
Correct |
10 ms |
6608 KB |
Output is correct |
21 |
Correct |
88 ms |
11256 KB |
Output is correct |
22 |
Correct |
4 ms |
6612 KB |
Output is correct |
23 |
Correct |
10 ms |
6504 KB |
Output is correct |
24 |
Correct |
88 ms |
11180 KB |
Output is correct |
25 |
Correct |
78 ms |
11156 KB |
Output is correct |
26 |
Correct |
73 ms |
11284 KB |
Output is correct |
27 |
Correct |
93 ms |
11280 KB |
Output is correct |
28 |
Correct |
227 ms |
11684 KB |
Output is correct |
29 |
Correct |
2669 ms |
14904 KB |
Output is correct |
30 |
Correct |
225 ms |
11724 KB |
Output is correct |
31 |
Correct |
2670 ms |
14900 KB |
Output is correct |
32 |
Correct |
2449 ms |
14432 KB |
Output is correct |
33 |
Correct |
1871 ms |
15012 KB |
Output is correct |
34 |
Correct |
3025 ms |
14968 KB |
Output is correct |
35 |
Correct |
3 ms |
6484 KB |
Output is correct |
36 |
Correct |
3 ms |
6500 KB |
Output is correct |
37 |
Incorrect |
43 ms |
11140 KB |
Output isn't correct |
38 |
Halted |
0 ms |
0 KB |
- |