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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#429324 | #5981. Costly Binary Search | maojun | 27 ✓ | 19187ms | 82932kb | C++20 | 812b | 2024-06-02 11:46:54 | 2024-06-02 11:46:55 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N=1e6+5;
int n;char s[N];
inline void ckmn(int&x,int y){x>y&&(x=y);}
inline void ckmx(int&x,int y){x<y&&(x=y);}
int L[10][N],R[10][N];
inline void init(int o){for(int i=0;i<=n+1;i++){L[o][i]=i+1;R[o][i]=i-1;}}
inline int solve(){
scanf("%s",s+1);n=strlen(s+1);
for(int i=1;i<=n;i++)s[i]-='0';
init(0);
for(int t=1;;t++){
int o=t%10;init(o);
for(int i=1;i<=n;i++)if(t>=s[i]){
int p=(t-s[i])%10;
int l=L[p][i-1],r=R[p][i+1];
ckmn(L[o][r],l);ckmx(R[o][l],r);
}
for(int i=n;i>=1;i--)ckmn(L[o][i],L[o][i+1]);
for(int i=1;i<=n;i++)ckmx(R[o][i],R[o][i-1]);
if(R[o][1]>=n&&L[o][n]<=1)return t;
}
}
int main(){
int T;scanf("%d",&T);
for(int i=1;i<=T;i++)
printf("Case #%d: %d\n",i,solve());
return 0;
}
Details
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Subtask #1:
score: 8
Accepted
Test #1:
score: 8
Accepted
time: 159ms
memory: 44840kb
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: 19187ms
memory: 82932kb
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