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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#392591 | #6303. Inversion | Core_65536 | WA | 78ms | 7400kb | C++23 | 1.4kb | 2024-04-17 17:41:23 | 2024-04-17 17:41:23 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
#define endl "\n"
using namespace std;
map<pair<int,int>,int> mp;
int query(int l,int r){
if(mp.count({l,r})) return mp[{l,r}];
if(l==r) return 0;
cout<<"? "<<l<<" "<<r<<endl;
int x; cin>>x;
mp[{l,r}]=x;
return x;
}
bool cmp(int l,int r){
int flag=0;
if(l>r) swap(l,r),flag=1;
//cout<<"cmp "<<l<<" "<<r<<endl;
if(r==l+1)
if(!flag) return !query(l,r);
else return query(l,r);
int ans=query(l,r)-query(l+1,r)-query(l,r-1)+query(l+1,r-1);
if(flag) return ans;
return !ans;
}
void solve(){
int n; cin>>n;
//sort
vector<int> ans; ans.push_back(1);
if(cmp(1,2))
ans.insert(ans.begin(),2);
else
ans.push_back(2);
for(int i=3;i<=n;++i){
//binary_search
int l=0,r=ans.size()-1;
while(l<r){
int mid=(l+r)/2;
//cout<<i<<" "<<ans[mid]<<endl;
if(cmp(i,ans[mid])){
r=mid;
}else{
l=mid+1;
}
}
ans.insert(ans.begin()+l+1,i);
}
cout<<"! ";
for(int i=0;i<n;i++){
cout<<ans[i]<<" ";
}
}
signed main(){
ios::sync_with_stdio(0);
int T=1; //cin>>T;
while(T--) solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3528kb
input:
3 0 1
output:
? 1 2 ? 2 3 ! 2 3 1
result:
ok OK, guesses=2
Test #2:
score: -100
Wrong Answer
time: 78ms
memory: 7400kb
input:
1993 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 1 1 0 0 1 1 0 0 1 1 1 1 1 1 1 1 1 0 0 1 0 1 1 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 1 0 0 0 0 1 0 0 0 1 1 1 1 1 0 0 0 1 1 1 1 1 0 1 0 1 1 0 0 0 1 0 0 0 0 0 0 1 1 0 0 1 0 1 1 0 0 0 0 0 1 1 0 1 1 1 1 0 0 1 1 0 0 0 0 1 0 1 1 0 1 0 0 0 0 0 1 0...
output:
? 1 2 ? 2 3 ? 1 4 ? 2 4 ? 1 3 ? 1 5 ? 2 5 ? 3 5 ? 3 4 ? 1 6 ? 2 6 ? 5 6 ? 1 7 ? 2 7 ? 5 7 ? 6 7 ? 3 7 ? 3 6 ? 1 8 ? 2 8 ? 3 8 ? 4 8 ? 4 7 ? 6 8 ? 7 8 ? 1 9 ? 2 9 ? 3 9 ? 4 9 ? 6 9 ? 7 9 ? 6 10 ? 7 10 ? 5 10 ? 5 9 ? 8 10 ? 8 9 ? 1 11 ? 2 11 ? 1 10 ? 2 10 ? 3 11 ? 4 11 ? 3 10 ? 4 10 ? 9 11 ? 10 11 ? 9...
result:
wrong output format Unexpected end of file - int32 expected