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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#562287 | #5981. Costly Binary Search | Z_drj | 0 | 25205ms | 86404kb | C++14 | 1.8kb | 2024-09-13 16:29:42 | 2024-09-13 16:29:44 |
Judging History
answer
#include <bits/stdc++.h>
using i64 = long long;
const int N = 1E6 + 5;
int n;
std::string s;
int a[N];
int L[10][N], R[10][N];
// int f[300][300];
void solve() {
std::cin >> s;
n = s.length();
for (int i = 1; i <= n; i++) {
a[i] = s[i - 1] - '0';
// f[i][i] = a[i];
}
// for (int i = 1; i < n; i++) {
// f[i][i + 1] = a[i] + a[i + 1];
// }
// for (int len = 3; len <= n; len++) {
// for (int l = 1, r = len; r <= n; ++l, ++r) {
// f[l][r] = 1E9;
// for (int k = l + 1; k < r; k++) {
// f[l][r] = std::min(f[l][r], a[k] + std::max(f[l][k - 1], f[k + 1][r]));
// }
// }
// }
// for (int i = 1; i <= n; i++) {
// for (int j = i + 1; j <= n; j++) {
// std::cerr << f[i][j] << " ";
// }
// std::cerr << "\n";
// }
// std::cerr << f[1][n] << "\n";
int ans = 1E9;
for (int c = 0; c <= 180; c++) {
int now = c % 10;
for (int i = 0; i <= n + 1; i++) {
L[now][i] = i + 1;
R[now][i] = i - 1;
}
for (int i = 1; i <= n; i++) {
if (a[i] <= now) {
int x = L[(now - a[i]) % 10][i - 1], y = R[(now - a[i]) % 10][i + 1];
L[now][y] = std::min(L[now][y], x);
R[now][x] = std::max(R[now][x], y);
}
}
for (int i = n; i >= 1; i--) {
L[now][i] = std::min(L[now][i], L[now][i + 1]);
}
for (int i = 1; i <= n; i++) {
R[now][i] = std::max(R[now][i], R[now][i - 1]);
}
for (int i = 1; i <= n; i++) {
if (L[now][i - 1] <= 1 && R[now][i + 1] >= n) {
ans = std::min(ans, c + a[i]);
}
}
}
std::cout << ans << "\n";
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int T;
std::cin >> T;
for (int i = 1; i <= T; i++) {
std::cout << "Case #" << i << ": ";
solve();
}
return 0;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 246ms
memory: 46676kb
input:
50 8 5128831164925953487661279378526736416489768154389124821528467927357884749642747626797857463132866343496157991453139582295398452863172464853698678624523849653538713928372648295734165346972222781179687541337591976277864785653638476127839556323849395641196246971351933655287441377531627938395427487...
output:
Case #1: 8 Case #2: 1000000000 Case #3: 1000000000 Case #4: 1000000000 Case #5: 1000000000 Case #6: 1000000000 Case #7: 1000000000 Case #8: 1000000000 Case #9: 1000000000 Case #10: 1000000000 Case #11: 1000000000 Case #12: 1000000000 Case #13: 1000000000 Case #14: 1000000000 Case #15: 1000000000 Cas...
result:
wrong answer 2nd lines differ - expected: 'Case #2: 37', found: 'Case #2: 1000000000'
Subtask #2:
score: 0
Wrong Answer
Test #2:
score: 0
Wrong Answer
time: 25205ms
memory: 86404kb
input:
50 647322722753778843259213887674615134214258235986992692879314555957455541351526284343217116351733247781713552149464672262787737941588358671583528664757823365936975517145283412965139791726299864122725212222496898855627124979178341548651669956711341742838725446489235961853391195148929571712449139335...
output:
Case #1: 1000000000 Case #2: 1000000000 Case #3: 1000000000 Case #4: 1000000000 Case #5: 1000000000 Case #6: 1000000000 Case #7: 1000000000 Case #8: 1000000000 Case #9: 1000000000 Case #10: 1000000000 Case #11: 1000000000 Case #12: 1000000000 Case #13: 1000000000 Case #14: 1000000000 Case #15: 10000...
result:
wrong answer 1st lines differ - expected: 'Case #1: 42', found: 'Case #1: 1000000000'