# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
53785 |
2018-07-01T07:28:13 Z |
aome |
Shortcut (IOI16_shortcut) |
C++17 |
|
3 ms |
760 KB |
#include "shortcut.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 505;
const long long INF = 1e18;
int n, c, a[N];
long long f1[N][N];
long long f2[N][N];
long long res;
long long dis[N];
void solve(int l, int r) {
long long maxDis = 0;
// two points outside [l, r]
for (int i = r + 1; i < n; ++i) {
if (l - 1 >= 0) {
maxDis = max(maxDis, dis[i] + a[i] + f2[0][l - 1] + max(0LL, c - dis[r] + dis[l]));
}
if (r + 1 <= i - 1) {
maxDis = max(maxDis, dis[i] + a[i] + f2[r + 1][i - 1]);
}
}
for (int i = 1; i < l; ++i) {
maxDis = max(maxDis, dis[i] + a[i] + f2[0][i - 1]);
}
// one point inside [l, r] and one point outside [l, r]
for (int i = l; i <= r; ++i) {
// from i to one point inside [0, l - 1]
if (l - 1 >= 0) {
maxDis = max(maxDis, min(dis[i], dis[r] - dis[i] + c + dis[l]) + a[i] + f2[0][l - 1]);
}
// from i to to one point inside [r + 1, n - 1]
if (r + 1 < n) {
maxDis = max(maxDis, f1[r + 1][n - 1] + a[i] + min(-dis[i], dis[i] - dis[l] + c - dis[r]));
}
}
// // two points inside [l, r]
int ptr = l;
for (int i = l; i <= r; ++i) {
while (ptr < i && dis[r] - dis[l] - dis[i] + dis[ptr] + c < dis[i] - dis[ptr]) ptr++;
if (ptr != l) maxDis = max(maxDis, a[i] + dis[r] - dis[l] - dis[i] + f1[l][ptr - 1] + c);
if (ptr != i) maxDis = max(maxDis, a[i] + dis[i] + f2[ptr][i - 1]);
}
// cout << maxDis << ' ' << l << ' ' << r << '\n';
res = min(res, maxDis);
}
long long find_shortcut(int _n, vector<int> l, vector<int> d, int _c) {
n = _n, c = _c;
for (int i = 0; i < n; ++i) a[i] = d[i];
for (int i = 1; i < n; ++i) dis[i] = dis[i - 1] + l[i - 1];
for (int i = 0; i < n; ++i) {
f1[i][i] = dis[i] + a[i];
f2[i][i] = -dis[i] + a[i];
for (int j = i + 1; j < n; ++j) {
f1[i][j] = max(f1[i][j - 1], dis[j] + a[j]);
f2[i][j] = max(f2[i][j - 1], -dis[j] + a[j]);
}
}
res = INF;
for (int i = 0; i < n; ++i) {
for (int j = 0; j < i; ++j) {
solve(j, i);
}
}
return res;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
n = 4, 80 is a correct answer |
2 |
Correct |
2 ms |
500 KB |
n = 9, 110 is a correct answer |
3 |
Correct |
2 ms |
500 KB |
n = 4, 21 is a correct answer |
4 |
Correct |
2 ms |
500 KB |
n = 3, 4 is a correct answer |
5 |
Correct |
2 ms |
528 KB |
n = 2, 62 is a correct answer |
6 |
Correct |
2 ms |
532 KB |
n = 2, 3 is a correct answer |
7 |
Correct |
2 ms |
548 KB |
n = 3, 29 is a correct answer |
8 |
Correct |
2 ms |
548 KB |
n = 2, 3 is a correct answer |
9 |
Correct |
3 ms |
548 KB |
n = 2, 3 is a correct answer |
10 |
Correct |
3 ms |
600 KB |
n = 2, 2000000001 is a correct answer |
11 |
Correct |
3 ms |
600 KB |
n = 2, 3000000000 is a correct answer |
12 |
Correct |
2 ms |
600 KB |
n = 3, 3000000000 is a correct answer |
13 |
Correct |
3 ms |
632 KB |
n = 3, 3000000000 is a correct answer |
14 |
Correct |
3 ms |
632 KB |
n = 4, 3000000001 is a correct answer |
15 |
Correct |
3 ms |
632 KB |
n = 4, 4000000000 is a correct answer |
16 |
Correct |
3 ms |
632 KB |
n = 5, 4000000000 is a correct answer |
17 |
Correct |
3 ms |
632 KB |
n = 10, 1000000343 is a correct answer |
18 |
Correct |
2 ms |
632 KB |
n = 10, 3189 is a correct answer |
19 |
Correct |
2 ms |
760 KB |
n = 10, 7000000000 is a correct answer |
20 |
Correct |
2 ms |
760 KB |
n = 5, 12 is a correct answer |
21 |
Correct |
2 ms |
760 KB |
n = 5, 25 is a correct answer |
22 |
Correct |
2 ms |
760 KB |
n = 2, 122 is a correct answer |
23 |
Correct |
2 ms |
760 KB |
n = 10, 117 is a correct answer |
24 |
Incorrect |
3 ms |
760 KB |
n = 10, incorrect answer: jury 336 vs contestant 367 |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
n = 4, 80 is a correct answer |
2 |
Correct |
2 ms |
500 KB |
n = 9, 110 is a correct answer |
3 |
Correct |
2 ms |
500 KB |
n = 4, 21 is a correct answer |
4 |
Correct |
2 ms |
500 KB |
n = 3, 4 is a correct answer |
5 |
Correct |
2 ms |
528 KB |
n = 2, 62 is a correct answer |
6 |
Correct |
2 ms |
532 KB |
n = 2, 3 is a correct answer |
7 |
Correct |
2 ms |
548 KB |
n = 3, 29 is a correct answer |
8 |
Correct |
2 ms |
548 KB |
n = 2, 3 is a correct answer |
9 |
Correct |
3 ms |
548 KB |
n = 2, 3 is a correct answer |
10 |
Correct |
3 ms |
600 KB |
n = 2, 2000000001 is a correct answer |
11 |
Correct |
3 ms |
600 KB |
n = 2, 3000000000 is a correct answer |
12 |
Correct |
2 ms |
600 KB |
n = 3, 3000000000 is a correct answer |
13 |
Correct |
3 ms |
632 KB |
n = 3, 3000000000 is a correct answer |
14 |
Correct |
3 ms |
632 KB |
n = 4, 3000000001 is a correct answer |
15 |
Correct |
3 ms |
632 KB |
n = 4, 4000000000 is a correct answer |
16 |
Correct |
3 ms |
632 KB |
n = 5, 4000000000 is a correct answer |
17 |
Correct |
3 ms |
632 KB |
n = 10, 1000000343 is a correct answer |
18 |
Correct |
2 ms |
632 KB |
n = 10, 3189 is a correct answer |
19 |
Correct |
2 ms |
760 KB |
n = 10, 7000000000 is a correct answer |
20 |
Correct |
2 ms |
760 KB |
n = 5, 12 is a correct answer |
21 |
Correct |
2 ms |
760 KB |
n = 5, 25 is a correct answer |
22 |
Correct |
2 ms |
760 KB |
n = 2, 122 is a correct answer |
23 |
Correct |
2 ms |
760 KB |
n = 10, 117 is a correct answer |
24 |
Incorrect |
3 ms |
760 KB |
n = 10, incorrect answer: jury 336 vs contestant 367 |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
n = 4, 80 is a correct answer |
2 |
Correct |
2 ms |
500 KB |
n = 9, 110 is a correct answer |
3 |
Correct |
2 ms |
500 KB |
n = 4, 21 is a correct answer |
4 |
Correct |
2 ms |
500 KB |
n = 3, 4 is a correct answer |
5 |
Correct |
2 ms |
528 KB |
n = 2, 62 is a correct answer |
6 |
Correct |
2 ms |
532 KB |
n = 2, 3 is a correct answer |
7 |
Correct |
2 ms |
548 KB |
n = 3, 29 is a correct answer |
8 |
Correct |
2 ms |
548 KB |
n = 2, 3 is a correct answer |
9 |
Correct |
3 ms |
548 KB |
n = 2, 3 is a correct answer |
10 |
Correct |
3 ms |
600 KB |
n = 2, 2000000001 is a correct answer |
11 |
Correct |
3 ms |
600 KB |
n = 2, 3000000000 is a correct answer |
12 |
Correct |
2 ms |
600 KB |
n = 3, 3000000000 is a correct answer |
13 |
Correct |
3 ms |
632 KB |
n = 3, 3000000000 is a correct answer |
14 |
Correct |
3 ms |
632 KB |
n = 4, 3000000001 is a correct answer |
15 |
Correct |
3 ms |
632 KB |
n = 4, 4000000000 is a correct answer |
16 |
Correct |
3 ms |
632 KB |
n = 5, 4000000000 is a correct answer |
17 |
Correct |
3 ms |
632 KB |
n = 10, 1000000343 is a correct answer |
18 |
Correct |
2 ms |
632 KB |
n = 10, 3189 is a correct answer |
19 |
Correct |
2 ms |
760 KB |
n = 10, 7000000000 is a correct answer |
20 |
Correct |
2 ms |
760 KB |
n = 5, 12 is a correct answer |
21 |
Correct |
2 ms |
760 KB |
n = 5, 25 is a correct answer |
22 |
Correct |
2 ms |
760 KB |
n = 2, 122 is a correct answer |
23 |
Correct |
2 ms |
760 KB |
n = 10, 117 is a correct answer |
24 |
Incorrect |
3 ms |
760 KB |
n = 10, incorrect answer: jury 336 vs contestant 367 |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
n = 4, 80 is a correct answer |
2 |
Correct |
2 ms |
500 KB |
n = 9, 110 is a correct answer |
3 |
Correct |
2 ms |
500 KB |
n = 4, 21 is a correct answer |
4 |
Correct |
2 ms |
500 KB |
n = 3, 4 is a correct answer |
5 |
Correct |
2 ms |
528 KB |
n = 2, 62 is a correct answer |
6 |
Correct |
2 ms |
532 KB |
n = 2, 3 is a correct answer |
7 |
Correct |
2 ms |
548 KB |
n = 3, 29 is a correct answer |
8 |
Correct |
2 ms |
548 KB |
n = 2, 3 is a correct answer |
9 |
Correct |
3 ms |
548 KB |
n = 2, 3 is a correct answer |
10 |
Correct |
3 ms |
600 KB |
n = 2, 2000000001 is a correct answer |
11 |
Correct |
3 ms |
600 KB |
n = 2, 3000000000 is a correct answer |
12 |
Correct |
2 ms |
600 KB |
n = 3, 3000000000 is a correct answer |
13 |
Correct |
3 ms |
632 KB |
n = 3, 3000000000 is a correct answer |
14 |
Correct |
3 ms |
632 KB |
n = 4, 3000000001 is a correct answer |
15 |
Correct |
3 ms |
632 KB |
n = 4, 4000000000 is a correct answer |
16 |
Correct |
3 ms |
632 KB |
n = 5, 4000000000 is a correct answer |
17 |
Correct |
3 ms |
632 KB |
n = 10, 1000000343 is a correct answer |
18 |
Correct |
2 ms |
632 KB |
n = 10, 3189 is a correct answer |
19 |
Correct |
2 ms |
760 KB |
n = 10, 7000000000 is a correct answer |
20 |
Correct |
2 ms |
760 KB |
n = 5, 12 is a correct answer |
21 |
Correct |
2 ms |
760 KB |
n = 5, 25 is a correct answer |
22 |
Correct |
2 ms |
760 KB |
n = 2, 122 is a correct answer |
23 |
Correct |
2 ms |
760 KB |
n = 10, 117 is a correct answer |
24 |
Incorrect |
3 ms |
760 KB |
n = 10, incorrect answer: jury 336 vs contestant 367 |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
n = 4, 80 is a correct answer |
2 |
Correct |
2 ms |
500 KB |
n = 9, 110 is a correct answer |
3 |
Correct |
2 ms |
500 KB |
n = 4, 21 is a correct answer |
4 |
Correct |
2 ms |
500 KB |
n = 3, 4 is a correct answer |
5 |
Correct |
2 ms |
528 KB |
n = 2, 62 is a correct answer |
6 |
Correct |
2 ms |
532 KB |
n = 2, 3 is a correct answer |
7 |
Correct |
2 ms |
548 KB |
n = 3, 29 is a correct answer |
8 |
Correct |
2 ms |
548 KB |
n = 2, 3 is a correct answer |
9 |
Correct |
3 ms |
548 KB |
n = 2, 3 is a correct answer |
10 |
Correct |
3 ms |
600 KB |
n = 2, 2000000001 is a correct answer |
11 |
Correct |
3 ms |
600 KB |
n = 2, 3000000000 is a correct answer |
12 |
Correct |
2 ms |
600 KB |
n = 3, 3000000000 is a correct answer |
13 |
Correct |
3 ms |
632 KB |
n = 3, 3000000000 is a correct answer |
14 |
Correct |
3 ms |
632 KB |
n = 4, 3000000001 is a correct answer |
15 |
Correct |
3 ms |
632 KB |
n = 4, 4000000000 is a correct answer |
16 |
Correct |
3 ms |
632 KB |
n = 5, 4000000000 is a correct answer |
17 |
Correct |
3 ms |
632 KB |
n = 10, 1000000343 is a correct answer |
18 |
Correct |
2 ms |
632 KB |
n = 10, 3189 is a correct answer |
19 |
Correct |
2 ms |
760 KB |
n = 10, 7000000000 is a correct answer |
20 |
Correct |
2 ms |
760 KB |
n = 5, 12 is a correct answer |
21 |
Correct |
2 ms |
760 KB |
n = 5, 25 is a correct answer |
22 |
Correct |
2 ms |
760 KB |
n = 2, 122 is a correct answer |
23 |
Correct |
2 ms |
760 KB |
n = 10, 117 is a correct answer |
24 |
Incorrect |
3 ms |
760 KB |
n = 10, incorrect answer: jury 336 vs contestant 367 |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
n = 4, 80 is a correct answer |
2 |
Correct |
2 ms |
500 KB |
n = 9, 110 is a correct answer |
3 |
Correct |
2 ms |
500 KB |
n = 4, 21 is a correct answer |
4 |
Correct |
2 ms |
500 KB |
n = 3, 4 is a correct answer |
5 |
Correct |
2 ms |
528 KB |
n = 2, 62 is a correct answer |
6 |
Correct |
2 ms |
532 KB |
n = 2, 3 is a correct answer |
7 |
Correct |
2 ms |
548 KB |
n = 3, 29 is a correct answer |
8 |
Correct |
2 ms |
548 KB |
n = 2, 3 is a correct answer |
9 |
Correct |
3 ms |
548 KB |
n = 2, 3 is a correct answer |
10 |
Correct |
3 ms |
600 KB |
n = 2, 2000000001 is a correct answer |
11 |
Correct |
3 ms |
600 KB |
n = 2, 3000000000 is a correct answer |
12 |
Correct |
2 ms |
600 KB |
n = 3, 3000000000 is a correct answer |
13 |
Correct |
3 ms |
632 KB |
n = 3, 3000000000 is a correct answer |
14 |
Correct |
3 ms |
632 KB |
n = 4, 3000000001 is a correct answer |
15 |
Correct |
3 ms |
632 KB |
n = 4, 4000000000 is a correct answer |
16 |
Correct |
3 ms |
632 KB |
n = 5, 4000000000 is a correct answer |
17 |
Correct |
3 ms |
632 KB |
n = 10, 1000000343 is a correct answer |
18 |
Correct |
2 ms |
632 KB |
n = 10, 3189 is a correct answer |
19 |
Correct |
2 ms |
760 KB |
n = 10, 7000000000 is a correct answer |
20 |
Correct |
2 ms |
760 KB |
n = 5, 12 is a correct answer |
21 |
Correct |
2 ms |
760 KB |
n = 5, 25 is a correct answer |
22 |
Correct |
2 ms |
760 KB |
n = 2, 122 is a correct answer |
23 |
Correct |
2 ms |
760 KB |
n = 10, 117 is a correct answer |
24 |
Incorrect |
3 ms |
760 KB |
n = 10, incorrect answer: jury 336 vs contestant 367 |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
n = 4, 80 is a correct answer |
2 |
Correct |
2 ms |
500 KB |
n = 9, 110 is a correct answer |
3 |
Correct |
2 ms |
500 KB |
n = 4, 21 is a correct answer |
4 |
Correct |
2 ms |
500 KB |
n = 3, 4 is a correct answer |
5 |
Correct |
2 ms |
528 KB |
n = 2, 62 is a correct answer |
6 |
Correct |
2 ms |
532 KB |
n = 2, 3 is a correct answer |
7 |
Correct |
2 ms |
548 KB |
n = 3, 29 is a correct answer |
8 |
Correct |
2 ms |
548 KB |
n = 2, 3 is a correct answer |
9 |
Correct |
3 ms |
548 KB |
n = 2, 3 is a correct answer |
10 |
Correct |
3 ms |
600 KB |
n = 2, 2000000001 is a correct answer |
11 |
Correct |
3 ms |
600 KB |
n = 2, 3000000000 is a correct answer |
12 |
Correct |
2 ms |
600 KB |
n = 3, 3000000000 is a correct answer |
13 |
Correct |
3 ms |
632 KB |
n = 3, 3000000000 is a correct answer |
14 |
Correct |
3 ms |
632 KB |
n = 4, 3000000001 is a correct answer |
15 |
Correct |
3 ms |
632 KB |
n = 4, 4000000000 is a correct answer |
16 |
Correct |
3 ms |
632 KB |
n = 5, 4000000000 is a correct answer |
17 |
Correct |
3 ms |
632 KB |
n = 10, 1000000343 is a correct answer |
18 |
Correct |
2 ms |
632 KB |
n = 10, 3189 is a correct answer |
19 |
Correct |
2 ms |
760 KB |
n = 10, 7000000000 is a correct answer |
20 |
Correct |
2 ms |
760 KB |
n = 5, 12 is a correct answer |
21 |
Correct |
2 ms |
760 KB |
n = 5, 25 is a correct answer |
22 |
Correct |
2 ms |
760 KB |
n = 2, 122 is a correct answer |
23 |
Correct |
2 ms |
760 KB |
n = 10, 117 is a correct answer |
24 |
Incorrect |
3 ms |
760 KB |
n = 10, incorrect answer: jury 336 vs contestant 367 |
25 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
n = 4, 80 is a correct answer |
2 |
Correct |
2 ms |
500 KB |
n = 9, 110 is a correct answer |
3 |
Correct |
2 ms |
500 KB |
n = 4, 21 is a correct answer |
4 |
Correct |
2 ms |
500 KB |
n = 3, 4 is a correct answer |
5 |
Correct |
2 ms |
528 KB |
n = 2, 62 is a correct answer |
6 |
Correct |
2 ms |
532 KB |
n = 2, 3 is a correct answer |
7 |
Correct |
2 ms |
548 KB |
n = 3, 29 is a correct answer |
8 |
Correct |
2 ms |
548 KB |
n = 2, 3 is a correct answer |
9 |
Correct |
3 ms |
548 KB |
n = 2, 3 is a correct answer |
10 |
Correct |
3 ms |
600 KB |
n = 2, 2000000001 is a correct answer |
11 |
Correct |
3 ms |
600 KB |
n = 2, 3000000000 is a correct answer |
12 |
Correct |
2 ms |
600 KB |
n = 3, 3000000000 is a correct answer |
13 |
Correct |
3 ms |
632 KB |
n = 3, 3000000000 is a correct answer |
14 |
Correct |
3 ms |
632 KB |
n = 4, 3000000001 is a correct answer |
15 |
Correct |
3 ms |
632 KB |
n = 4, 4000000000 is a correct answer |
16 |
Correct |
3 ms |
632 KB |
n = 5, 4000000000 is a correct answer |
17 |
Correct |
3 ms |
632 KB |
n = 10, 1000000343 is a correct answer |
18 |
Correct |
2 ms |
632 KB |
n = 10, 3189 is a correct answer |
19 |
Correct |
2 ms |
760 KB |
n = 10, 7000000000 is a correct answer |
20 |
Correct |
2 ms |
760 KB |
n = 5, 12 is a correct answer |
21 |
Correct |
2 ms |
760 KB |
n = 5, 25 is a correct answer |
22 |
Correct |
2 ms |
760 KB |
n = 2, 122 is a correct answer |
23 |
Correct |
2 ms |
760 KB |
n = 10, 117 is a correct answer |
24 |
Incorrect |
3 ms |
760 KB |
n = 10, incorrect answer: jury 336 vs contestant 367 |
25 |
Halted |
0 ms |
0 KB |
- |