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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#712393 | #5981. Costly Binary Search | XuYueming | 8 | 185ms | 21880kb | C++23 | 1.3kb | 2024-11-05 15:32:26 | 2024-11-05 15:32:26 |
Judging History
answer
#pragma GCC optimize("Ofast", "inline", "fast-math")
#include <cstdio>
#include <iostream>
#include <cstring>
using namespace std;
const int N = 1000010, M = 181;
char cost[N];
int n;
int f[N][M], g[N][M];
signed main() {
#ifndef XuYueming
// freopen("cost.in", "r", stdin);
// freopen("cost.out", "w", stdout);
#endif
int t; scanf("%d", &t);
for (int _ = 1; _ <= t; ++_) {
scanf("%s", cost + 1);
n = strlen(cost + 1);
for (int i = 1; i <= n + 1; ++i)
for (int v = 0; v < M; ++v)
f[i][v] = g[i][v] = i;
for (int j = 1; j < M; ++j) {
for (int i = 1; i <= n; ++i) {
int v = cost[i] ^ 48;
if (j < v) continue;
f[g[i][j - v]][j] = max(f[g[i][j - v]][j], f[i + 1][j - v]);
g[f[i + 1][j - v]][j] = min(g[f[i + 1][j - v]][j], g[i][j - v]);
}
if (f[1][j] > n) {
printf("Case #%d: %d\n", _, j);
break;
}
for (int i = 2; i <= n + 1; ++i)
f[i][j] = max(f[i][j], f[i - 1][j]);
for (int i = n; i >= 1; --i)
g[i][j] = min(g[i][j], g[i + 1][j]);
}
}
return 0;
}
Details
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Subtask #1:
score: 8
Accepted
Test #1:
score: 8
Accepted
time: 185ms
memory: 21880kb
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: 0
Time Limit Exceeded
Test #2:
score: 0
Time Limit Exceeded
input:
50 647322722753778843259213887674615134214258235986992692879314555957455541351526284343217116351733247781713552149464672262787737941588358671583528664757823365936975517145283412965139791726299864122725212222496898855627124979178341548651669956711341742838725446489235961853391195148929571712449139335...