# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
896006 |
2023-12-31T12:12:18 Z |
pcc |
Worm Worries (BOI18_worm) |
C++14 |
|
1 ms |
344 KB |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>
#define int ll
const int mxn = 1e6+10;
int N,M,K;
int dp[mxn];
int C = 0;
int ask(int x,int y = 1,int z = 1){
cout<<"? "<<x<<' '<<y<<' '<<z<<endl;
C++;
int re;
cin>>re;
if(re == -1)exit(0);
return re;
}
main(){
cin>>N>>M>>K;
int l = 1,r = N;
while(r-l>1){
int mid = (l+r)>>1;
if(ask(mid)>=ask(mid+1))r = mid;
else l = mid;
}
if(l == r)cout<<"! "<<l<<" 1 1"<<endl;
else if(ask(l)<=ask(r))cout<<"! "<<r<<" 1 1"<<endl;
else cout<<"! "<<l<<" 1 1"<<endl;
return 0;
}
Compilation message
worm.cpp:27:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
27 | main(){
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
344 KB |
not a local maximum |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
too many queries. input: ? 986003 1 1 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
344 KB |
not a local maximum |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
344 KB |
not a local maximum |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
344 KB |
not a local maximum |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Incorrect |
0 ms |
344 KB |
not a local maximum |
3 |
Halted |
0 ms |
0 KB |
- |