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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#429794 | #5981. Costly Binary Search | Bronya | 27 ✓ | 11358ms | 82936kb | C++14 | 1.1kb | 2024-06-02 20:57:12 | 2024-06-02 20:57:14 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int T;
char s[1000005];
int L[10][1000005],R[10][1000005];
int now,n;
void chkmax(int &x,int y){
x=(x>y?x:y);
}
void chkmin(int &x,int y){
x=(x<y?x:y);
}
int main(){
scanf("%d",&T);
int tid=0;
while(T--){
scanf("%s",s+1);n=strlen(s+1);
for(int i=0;i<=9;i++)
for(int j=0;j<=n+1;j++)
L[i][j]=j+1,R[i][j]=j-1;
for(int i=1;i<=n;i++)L[s[i]-'0'][i]=R[s[i]-'0'][i]=i;
for(int i=0;i<=180;i++){
int x=i%10;
if(R[x][1]==n){
printf("Case #%d: %d\n",++tid,i);
break;
}
int y=(x+9)%10,l=0,r=0;
if(i)for(int j=1;j<=n;j++)chkmin(L[x][j],L[y][j]),chkmax(R[x][j],R[y][j]);
for(int i=1;i<=n;i++)chkmax(R[x][i],R[x][i-1]);
for(int i=n-1;i>=1;i--)chkmin(L[x][i],L[x][i+1]);
for(int i=1;i<=n;i++){
y=(x+s[i]-'0')%10;
l=L[x][i-1];r=R[x][i+1];
chkmax(R[y][l],r);chkmin(L[y][r],l);
}
}
}
return 0;
}
Details
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Subtask #1:
score: 8
Accepted
Test #1:
score: 8
Accepted
time: 77ms
memory: 42876kb
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: 11358ms
memory: 82936kb
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