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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#712519 | #5981. Costly Binary Search | Lu_xZ | 27 ✓ | 10826ms | 83000kb | C++20 | 969b | 2024-11-05 15:59:30 | 2024-11-05 15:59:31 |
Judging History
answer
#include<bits/stdc++.h>
#define eb emplace_back
#define ep emplace
using namespace std;
using ll = long long;
constexpr int N = 1e6 + 5;
int n, L[10][N], R[10][N];
char w[N];
void solve(int Case) {
scanf("%s", w + 1);
n = strlen(w + 1);
for(int i = 1; i <= n; ++ i) w[i] -= '0';
int ans = 0, k = 0;
while(1) {
for(int i = 0; i <= n + 1; ++ i) L[k][i] = i - 1, R[k][i] = i + 1;
for(int i = 1, j, l, r; i <= n; ++ i) {
if(ans >= w[i]) {
j = (ans - w[i]) % 10, l = L[j][i], r = R[j][i];
L[k][r] = min(L[k][r], l);
R[k][l] = max(R[k][l], r);
}
}
for(int i = n; i >= 0; -- i) L[k][i] = min(L[k][i], L[k][i + 1]);
for(int i = 1; i <= n + 1; ++ i) R[k][i] = max(R[k][i], R[k][i - 1]);
if(R[k][0] > n && L[k][n + 1] < 1) break;
++ ans;
if(++ k == 10) k = 0;
}
printf("Case #%d: %d\n", Case, ans);
}
int main() {
int T; scanf("%d", &T);
for(int i = 1; i <= T; ++ i) solve(i);
return 0;
}
Details
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Subtask #1:
score: 8
Accepted
Test #1:
score: 8
Accepted
time: 75ms
memory: 42872kb
input:
50 8 5128831164925953487661279378526736416489768154389124821528467927357884749642747626797857463132866343496157991453139582295398452863172464853698678624523849653538713928372648295734165346972222781179687541337591976277864785653638476127839556323849395641196246971351933655287441377531627938395427487...
output:
Case #1: 8 Case #2: 37 Case #3: 34 Case #4: 37 Case #5: 34 Case #6: 114 Case #7: 126 Case #8: 24 Case #9: 37 Case #10: 103 Case #11: 36 Case #12: 64 Case #13: 37 Case #14: 117 Case #15: 37 Case #16: 35 Case #17: 14 Case #18: 34 Case #19: 36 Case #20: 37 Case #21: 38 Case #22: 39 Case #23: 14 Case #2...
result:
ok 50 lines
Subtask #2:
score: 19
Accepted
Test #2:
score: 19
Accepted
time: 10826ms
memory: 83000kb
input:
50 647322722753778843259213887674615134214258235986992692879314555957455541351526284343217116351733247781713552149464672262787737941588358671583528664757823365936975517145283412965139791726299864122725212222496898855627124979178341548651669956711341742838725446489235961853391195148929571712449139335...
output:
Case #1: 42 Case #2: 43 Case #3: 120 Case #4: 42 Case #5: 43 Case #6: 43 Case #7: 31 Case #8: 43 Case #9: 171 Case #10: 42 Case #11: 39 Case #12: 42 Case #13: 42 Case #14: 44 Case #15: 39 Case #16: 20 Case #17: 180 Case #18: 30 Case #19: 45 Case #20: 43 Case #21: 44 Case #22: 31 Case #23: 83 Case #2...
result:
ok 50 lines
Extra Test:
score: 0
Extra Test Passed