#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define ll long long
#define pb push_back
#define ii pair<int,int>
const int nax=2e5+5;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int main() {
int n;
cin>>n;
int dp[n][n];
int tab[n][n];
int a[n],b[n],h[n];
for (int i = 0; i < n; ++i)
{
cin>>h[i]>>a[i]>>b[i];
}
for (int i = 0; i < n; ++i)
{
for (int j = 0; j < n; ++j)
{
dp[i][j]=-1e9;
tab[i][j]=-1e9;
if((i+a[i]<=j&&j<=i+b[i])||(i-a[i]>=j&&i-b[i]<=j)){
if((j+a[j]<=i&&i<=j+b[j])||(j-a[j]>=i&&j-b[j]<=i)){
tab[i][j]=abs(h[i]-h[j]);
}
}
}
}
for (int i = n-1; i >=0 ; --i)
{
for (int j = i+1; j < n; ++j)
{
dp[i][j]=max(tab[i][j],max(dp[i+1][j],dp[i][j-1]));
}
}
int q;
cin>>q;
for (int i = 0; i < q; ++i)
{
int x,y;
cin>>x>>y;
x--;y--;
cout <<max(-1,dp[x][y])<<endl;
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
1116 KB |
Output is correct |
3 |
Correct |
1 ms |
860 KB |
Output is correct |
4 |
Correct |
1 ms |
1116 KB |
Output is correct |
5 |
Correct |
1 ms |
952 KB |
Output is correct |
6 |
Correct |
1 ms |
956 KB |
Output is correct |
7 |
Correct |
1 ms |
860 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
1112 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
860 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
856 KB |
Output is correct |
17 |
Correct |
1 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
888 KB |
Output is correct |
19 |
Correct |
1 ms |
856 KB |
Output is correct |
20 |
Correct |
1 ms |
836 KB |
Output is correct |
21 |
Correct |
1 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
1 ms |
860 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
1116 KB |
Output is correct |
3 |
Correct |
1 ms |
860 KB |
Output is correct |
4 |
Correct |
1 ms |
1116 KB |
Output is correct |
5 |
Correct |
1 ms |
952 KB |
Output is correct |
6 |
Correct |
1 ms |
956 KB |
Output is correct |
7 |
Correct |
1 ms |
860 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
1112 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
860 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
856 KB |
Output is correct |
17 |
Correct |
1 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
888 KB |
Output is correct |
19 |
Correct |
1 ms |
856 KB |
Output is correct |
20 |
Correct |
1 ms |
836 KB |
Output is correct |
21 |
Correct |
1 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
1 ms |
860 KB |
Output is correct |
25 |
Correct |
260 ms |
8852 KB |
Output is correct |
26 |
Correct |
59 ms |
31832 KB |
Output is correct |
27 |
Correct |
299 ms |
24912 KB |
Output is correct |
28 |
Correct |
300 ms |
35156 KB |
Output is correct |
29 |
Correct |
203 ms |
9984 KB |
Output is correct |
30 |
Correct |
223 ms |
34128 KB |
Output is correct |
31 |
Correct |
274 ms |
3876 KB |
Output is correct |
32 |
Correct |
300 ms |
35088 KB |
Output is correct |
33 |
Correct |
268 ms |
15064 KB |
Output is correct |
34 |
Correct |
156 ms |
33360 KB |
Output is correct |
35 |
Correct |
295 ms |
20764 KB |
Output is correct |
36 |
Correct |
347 ms |
35152 KB |
Output is correct |
37 |
Correct |
177 ms |
31572 KB |
Output is correct |
38 |
Correct |
303 ms |
32848 KB |
Output is correct |
39 |
Correct |
59 ms |
30544 KB |
Output is correct |
40 |
Correct |
319 ms |
32780 KB |
Output is correct |
41 |
Correct |
234 ms |
32004 KB |
Output is correct |
42 |
Correct |
302 ms |
32696 KB |
Output is correct |
43 |
Correct |
110 ms |
31060 KB |
Output is correct |
44 |
Correct |
308 ms |
32892 KB |
Output is correct |
45 |
Correct |
74 ms |
30968 KB |
Output is correct |
46 |
Correct |
300 ms |
32852 KB |
Output is correct |
47 |
Correct |
90 ms |
30888 KB |
Output is correct |
48 |
Correct |
305 ms |
32852 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
239 ms |
524288 KB |
Execution killed with signal 9 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
2 ms |
1116 KB |
Output is correct |
3 |
Correct |
1 ms |
860 KB |
Output is correct |
4 |
Correct |
1 ms |
1116 KB |
Output is correct |
5 |
Correct |
1 ms |
952 KB |
Output is correct |
6 |
Correct |
1 ms |
956 KB |
Output is correct |
7 |
Correct |
1 ms |
860 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
1112 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
860 KB |
Output is correct |
14 |
Correct |
1 ms |
860 KB |
Output is correct |
15 |
Correct |
1 ms |
860 KB |
Output is correct |
16 |
Correct |
1 ms |
856 KB |
Output is correct |
17 |
Correct |
1 ms |
860 KB |
Output is correct |
18 |
Correct |
1 ms |
888 KB |
Output is correct |
19 |
Correct |
1 ms |
856 KB |
Output is correct |
20 |
Correct |
1 ms |
836 KB |
Output is correct |
21 |
Correct |
1 ms |
860 KB |
Output is correct |
22 |
Correct |
1 ms |
860 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
1 ms |
860 KB |
Output is correct |
25 |
Correct |
260 ms |
8852 KB |
Output is correct |
26 |
Correct |
59 ms |
31832 KB |
Output is correct |
27 |
Correct |
299 ms |
24912 KB |
Output is correct |
28 |
Correct |
300 ms |
35156 KB |
Output is correct |
29 |
Correct |
203 ms |
9984 KB |
Output is correct |
30 |
Correct |
223 ms |
34128 KB |
Output is correct |
31 |
Correct |
274 ms |
3876 KB |
Output is correct |
32 |
Correct |
300 ms |
35088 KB |
Output is correct |
33 |
Correct |
268 ms |
15064 KB |
Output is correct |
34 |
Correct |
156 ms |
33360 KB |
Output is correct |
35 |
Correct |
295 ms |
20764 KB |
Output is correct |
36 |
Correct |
347 ms |
35152 KB |
Output is correct |
37 |
Correct |
177 ms |
31572 KB |
Output is correct |
38 |
Correct |
303 ms |
32848 KB |
Output is correct |
39 |
Correct |
59 ms |
30544 KB |
Output is correct |
40 |
Correct |
319 ms |
32780 KB |
Output is correct |
41 |
Correct |
234 ms |
32004 KB |
Output is correct |
42 |
Correct |
302 ms |
32696 KB |
Output is correct |
43 |
Correct |
110 ms |
31060 KB |
Output is correct |
44 |
Correct |
308 ms |
32892 KB |
Output is correct |
45 |
Correct |
74 ms |
30968 KB |
Output is correct |
46 |
Correct |
300 ms |
32852 KB |
Output is correct |
47 |
Correct |
90 ms |
30888 KB |
Output is correct |
48 |
Correct |
305 ms |
32852 KB |
Output is correct |
49 |
Runtime error |
239 ms |
524288 KB |
Execution killed with signal 9 |
50 |
Halted |
0 ms |
0 KB |
- |