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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#556072 | #5981. Costly Binary Search | xcyyyyy | 27 ✓ | 16216ms | 94584kb | C++20 | 1.2kb | 2024-09-10 14:50:27 | 2024-09-10 14:50:28 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define N 1000005
#define id(x) (x+10)%10
char s[N];int c[N];
int n,L[10][N],R[10][N],ll[N],rr[N];
void work(int cs){
scanf("%s",s+1);n=strlen(s+1);
for(int i=1;i<=n;i++)c[i]=s[i]-'0';
memset(L,0x3f,sizeof L);
memset(R,-0x3f,sizeof R);
for(int w=1;w<=180;w++){
for(int i=1;i<=n;i++){
L[id(w)][i]=L[id(w-1)][i],R[id(w)][i]=R[id(w-1)][i];
if(w==c[i])L[id(w)][i]=R[id(w)][i]=i;
ll[i]=-0x3f3f3f3f,rr[i]=0x3f3f3f3f;
}
for(int i=1;i<=n;i++)if(c[i]<=w){
int l=i==1?1:L[id(w-c[i])][i-1],r=i==n?n:R[id(w-c[i])][i+1];
if(l<=r)ll[l]=max(ll[l],r),rr[r]=min(rr[r],l);
}
int mx=-0x3f3f3f3f,mn=0x3f3f3f3f;
for(int i=1;i<=n;i++){
mx=max(mx,ll[i]);
R[id(w)][i]=max(R[id(w)][i],mx);
}
for(int i=n;i;i--){
mn=min(mn,rr[i]);
L[id(w)][i]=min(L[id(w)][i],mn);
}
if(R[id(w)][1]==n)return printf("Case #%d: %d\n",cs,w),void();
}
puts("No Answer!");
}
int main(){
int t;scanf("%d",&t);
for(int i=1;i<=t;i++)work(i);
}
Details
Tip: Click on the bar to expand more detailed information
Subtask #1:
score: 8
Accepted
Test #1:
score: 8
Accepted
time: 363ms
memory: 85884kb
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: 16216ms
memory: 94584kb
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