#include "towers.h"
#include <bits/stdc++.h>
using namespace std;
struct Seg {
int siz = 1;
vector<int> sums;
void init(int n){
while(siz < n)siz*=2;
sums.assign(siz * 2, 0LL);
}
void build(vector<int>& arr , int x , int lx , int rx){
if(rx-lx==1){
if(lx < (int)arr.size()){
sums[x] = arr[lx];
}
return;
}
int m = (lx + rx) / 2;
build(arr , 2 * x + 1 , lx , m);
build(arr, 2 * x + 2 , m , rx);
sums[x] = sums[2 * x + 1] + sums[2 * x + 2];
}
void build(vector<int>& arr){
build(arr , 0 , 0 , siz);
}
void set(int i , int v , int x , int lx , int rx){
if(rx - lx ==1){
sums[x] = v;
return;
}
int m = (lx + rx) / 2;
if(i < m){
set(i , v , 2 * x + 1 , lx , m);
}
else {
set(i , v , 2 * x + 2 , m , rx);
}
sums[x]=sums[2 * x + 1] + sums[2 * x + 2];
}
void set(int x , int y){
set(x ,y , 0 , 0 , siz);
}
int sum(int l , int r , int x , int lx , int rx){
if(lx >= l && rx <= r){
return sums[x];
}
if(lx >= r || rx <= l)return 0;
int m = (lx + rx) / 2;
return sum(l , r , 2 * x + 1 , lx , m) + sum(l , r , 2 * x + 2 , m , rx);
}
int sum(int l , int r){
return sum(l , r , 0 , 0 , siz);
}
};
vector<int> arr;
Seg st;
void init(int n, std::vector<int> h) {
arr = h;
st.init(n+1);
vector<int> a(n,0);
for(int i = 0; i < n; i++){
int cnt = 0;
if(i - 1 < 0 || arr[i] > arr[i-1])cnt++;
if(i + 1 == n || arr[i + 1] < arr[i])cnt++;
if(cnt == 2)a[i] = 1;
}
st.build(a);
}
int max_towers(int l , int r , int d) {
int ans = st.sum(l , r + 1) + 1;
ans -= st.sum(l , l + 1);
if(l != r)ans -= st.sum(r , r + 1);
return ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
436 ms |
1744 KB |
2nd lines differ - on the 1st token, expected: '1', found: '2' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
208 KB |
1st lines differ - on the 1st token, expected: '13', found: '16' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
208 KB |
1st lines differ - on the 1st token, expected: '13', found: '16' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
689 ms |
2844 KB |
Output is correct |
2 |
Correct |
896 ms |
2844 KB |
Output is correct |
3 |
Correct |
1000 ms |
2896 KB |
Output is correct |
4 |
Correct |
1056 ms |
2836 KB |
Output is correct |
5 |
Correct |
1006 ms |
2844 KB |
Output is correct |
6 |
Correct |
894 ms |
2860 KB |
Output is correct |
7 |
Correct |
923 ms |
2872 KB |
Output is correct |
8 |
Correct |
908 ms |
2840 KB |
Output is correct |
9 |
Correct |
853 ms |
2840 KB |
Output is correct |
10 |
Correct |
739 ms |
2868 KB |
Output is correct |
11 |
Correct |
825 ms |
2848 KB |
Output is correct |
12 |
Correct |
691 ms |
2760 KB |
Output is correct |
13 |
Correct |
990 ms |
2824 KB |
Output is correct |
14 |
Correct |
1 ms |
208 KB |
Output is correct |
15 |
Correct |
0 ms |
336 KB |
Output is correct |
16 |
Correct |
1 ms |
336 KB |
Output is correct |
17 |
Correct |
14 ms |
2836 KB |
Output is correct |
18 |
Correct |
21 ms |
2844 KB |
Output is correct |
19 |
Correct |
13 ms |
2760 KB |
Output is correct |
20 |
Correct |
13 ms |
2856 KB |
Output is correct |
21 |
Correct |
21 ms |
2856 KB |
Output is correct |
22 |
Correct |
13 ms |
2888 KB |
Output is correct |
23 |
Correct |
16 ms |
2844 KB |
Output is correct |
24 |
Correct |
17 ms |
2844 KB |
Output is correct |
25 |
Correct |
17 ms |
2852 KB |
Output is correct |
26 |
Correct |
12 ms |
2884 KB |
Output is correct |
27 |
Correct |
1 ms |
336 KB |
Output is correct |
28 |
Correct |
1 ms |
336 KB |
Output is correct |
29 |
Correct |
1 ms |
336 KB |
Output is correct |
30 |
Correct |
1 ms |
336 KB |
Output is correct |
31 |
Correct |
1 ms |
336 KB |
Output is correct |
32 |
Correct |
1 ms |
336 KB |
Output is correct |
33 |
Correct |
0 ms |
336 KB |
Output is correct |
34 |
Correct |
1 ms |
336 KB |
Output is correct |
35 |
Correct |
1 ms |
336 KB |
Output is correct |
36 |
Correct |
1 ms |
336 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
164 ms |
932 KB |
1st lines differ - on the 1st token, expected: '7197', found: '8004' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
208 KB |
1st lines differ - on the 1st token, expected: '13', found: '16' |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
436 ms |
1744 KB |
2nd lines differ - on the 1st token, expected: '1', found: '2' |
2 |
Halted |
0 ms |
0 KB |
- |