Submission #1865979
Source Code Expand
#include <bits/stdc++.h> #define ll long long using namespace std; inline int gi(){ char ch=getchar();int x=0,q=0; while(ch<'0' || ch>'9') ch=='-'?q=1:0,ch=getchar(); while(ch>='0' && ch<='9') x=x*10+ch-'0',ch=getchar(); return q?(-x):x; } int z[20]; int gc(){ char ch=getchar(); while(ch!='Y'&&ch!='N') ch=getchar(); return ch=='Y'; } int main(){ int d=0; for (ll i=1; i<=1e10; i*=10){ cout<<"? "<<i<<endl; z[++d]=gc(); } if (z[d]==1){ for (ll s=10; ; s*=10){ cout<<"? "<<s-1<<endl; if (gc()){ cout<<"! "<<s/10; return 0; } } } for (int i=1; i<=d; ++i) if (z[i]==0){ --i; ll l=1,r=1,mid,ans; for (int j=1; j<=i; ++j) l*=10; r=l,l/=10; while(l<=r){ mid=(l+r)>>1; cout<<"? "<<mid*10<<endl; if (gc()) ans=mid,r=mid-1; else l=mid+1; } cout<<"! "<<ans; return 0; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | E - Awkward Response |
User | Thefinal |
Language | C++14 (GCC 5.4.1) |
Score | 800 |
Code Size | 946 Byte |
Status | AC |
Exec Time | 4 ms |
Memory | 596 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 800 / 800 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 00_example_01.txt |
All | 00_example_01.txt, 01.txt, 02.txt, 03.txt, 04.txt, 05.txt, 06.txt, 07.txt, 08.txt, 09.txt, 10.txt, 11.txt, 12.txt, 13.txt, 14.txt, 15.txt, 16.txt, 17.txt, 18.txt, 19.txt, 20.txt, 21.txt, 22.txt, 23.txt, 24.txt, 25.txt, 26.txt, 27.txt, 28.txt, 29.txt, 30.txt, 31.txt, 32.txt, 33.txt, 34.txt, 35.txt, 36.txt, 37.txt, 38.txt, 39.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_example_01.txt | AC | 4 ms | 592 KB |
01.txt | AC | 4 ms | 596 KB |
02.txt | AC | 3 ms | 596 KB |
03.txt | AC | 4 ms | 596 KB |
04.txt | AC | 4 ms | 592 KB |
05.txt | AC | 4 ms | 592 KB |
06.txt | AC | 4 ms | 592 KB |
07.txt | AC | 4 ms | 596 KB |
08.txt | AC | 4 ms | 592 KB |
09.txt | AC | 3 ms | 592 KB |
10.txt | AC | 4 ms | 588 KB |
11.txt | AC | 4 ms | 592 KB |
12.txt | AC | 4 ms | 592 KB |
13.txt | AC | 4 ms | 592 KB |
14.txt | AC | 4 ms | 596 KB |
15.txt | AC | 4 ms | 596 KB |
16.txt | AC | 4 ms | 588 KB |
17.txt | AC | 4 ms | 596 KB |
18.txt | AC | 3 ms | 592 KB |
19.txt | AC | 3 ms | 592 KB |
20.txt | AC | 4 ms | 596 KB |
21.txt | AC | 3 ms | 596 KB |
22.txt | AC | 3 ms | 592 KB |
23.txt | AC | 3 ms | 592 KB |
24.txt | AC | 3 ms | 592 KB |
25.txt | AC | 3 ms | 588 KB |
26.txt | AC | 4 ms | 592 KB |
27.txt | AC | 3 ms | 592 KB |
28.txt | AC | 3 ms | 592 KB |
29.txt | AC | 4 ms | 592 KB |
30.txt | AC | 4 ms | 592 KB |
31.txt | AC | 3 ms | 592 KB |
32.txt | AC | 4 ms | 592 KB |
33.txt | AC | 4 ms | 584 KB |
34.txt | AC | 4 ms | 588 KB |
35.txt | AC | 4 ms | 592 KB |
36.txt | AC | 4 ms | 592 KB |
37.txt | AC | 4 ms | 592 KB |
38.txt | AC | 4 ms | 592 KB |
39.txt | AC | 4 ms | 596 KB |