#include "jumps.h"
#include<bits/stdc++.h>
using namespace std;
const long long inf = (long long) 1e18 + 10;
const int inf1 = (int) 1e9 + 10;
#define dbl long double
#define endl '\n'
#define sc second
#define fr first
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
const int maxn = 2e5+10;
int n, h[maxn], nx[maxn][25], nxl[maxn][25], nxr[maxn][25];
pair<int,int> tr[22*maxn];
int f1[22*maxn], f2[22*maxn], bg[maxn], cnt = 0;
int att(int no, int l, int r, int no1, int pos, int val) {
if(no == 0) no = ++cnt;
if(l > pos || r < pos) return no;
if(l == r) {
tr[no] = mp(val,l);
return no;
}
int mid = (l+r)/2;
if(pos <= mid) {
//vai para esquerda
f1[no] = att(f1[no],l,mid,f1[no1],pos,val);
f2[no] = f2[no1];
}
else {
f2[no] = att(f2[no],mid+1,r,f2[no1],pos,val);
f1[no] = f1[no1];
}
tr[no] = max(tr[f1[no]],tr[f2[no]]);
return no;
}
pair<int,int> qrrmx(int no, int l, int r, int L, int R) {
if(l > R || r < L) return mp(0,0);
if(l >= L && r <= R) return tr[no];
int mid = (l+r)/2;
return max(qrrmx(f1[no],l,mid,L,R),qrrmx(f2[no],mid+1,r,L,R));
}
void init(int N, vector<int> H) {
n = N;
vector<pair<int,int>> vec;
for(int i = 1; i <= n; i++) {
h[i] = H[i-1];
vec.pb(mp(h[i],i));
}
// cout << cnt << endl;
//os proximos da esquerda e direita de cada um e 0 se não tiver
stack<pair<int,int>> stl;
for(int i = 1; i <= n; i++) {
while(stl.size() && stl.top().fr < h[i]) {
stl.pop();
}
if(stl.size()) nxl[i][0] = stl.top().sc;
else nxl[i][0] = 0;
stl.push(mp(h[i],i));
}
stack<pair<int,int>> str;
for(int i = n; i >= 1; i--) {
while(str.size() && str.top().fr < h[i]) {
str.pop();
}
if(str.size()) nxr[i][0] = str.top().sc;
else nxr[i][0] = 0;
str.push(mp(h[i],i));
}
}
int minimum_jumps(int A, int B, int C, int D) {
A++;
B++;
C++;
D++;
int d[n+10];
queue<int> q;
for(int i = 1; i <= n; i++) d[i] = -1;
for(int i = A; i <= B; i++) {
d[i] = 0;
q.push(i);
}
while(q.size()) {
int u = q.front();
q.pop();
int v;
v = nxl[u][0];
if(v != 0 && d[v] == -1) {
d[v] = d[u]+1;
q.push(v);
}
v = nxr[u][0];
if(v != 0 && d[v] == -1) {
d[v] = d[u]+1;
q.push(v);
}
}
int ans = n+10;
for(int i = C; i <= D; i++) {
ans = min(ans, d[i]);
}
if(ans == n+10) return -1;
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Execution timed out |
4066 ms |
35852 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
208 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
208 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
208 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
504 ms |
20028 KB |
Output is correct |
5 |
Correct |
3364 ms |
43372 KB |
Output is correct |
6 |
Correct |
956 ms |
7460 KB |
Output is correct |
7 |
Correct |
3518 ms |
43540 KB |
Output is correct |
8 |
Correct |
1113 ms |
15172 KB |
Output is correct |
9 |
Correct |
3208 ms |
43428 KB |
Output is correct |
10 |
Execution timed out |
4070 ms |
44900 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Correct |
0 ms |
208 KB |
Output is correct |
4 |
Correct |
504 ms |
20028 KB |
Output is correct |
5 |
Correct |
3364 ms |
43372 KB |
Output is correct |
6 |
Correct |
956 ms |
7460 KB |
Output is correct |
7 |
Correct |
3518 ms |
43540 KB |
Output is correct |
8 |
Correct |
1113 ms |
15172 KB |
Output is correct |
9 |
Correct |
3208 ms |
43428 KB |
Output is correct |
10 |
Execution timed out |
4070 ms |
44900 KB |
Time limit exceeded |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
208 KB |
Output is correct |
2 |
Correct |
0 ms |
208 KB |
Output is correct |
3 |
Execution timed out |
4066 ms |
35852 KB |
Time limit exceeded |
4 |
Halted |
0 ms |
0 KB |
- |