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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#678196 | #6303. Inversion | Tggdb# | WA | 93ms | 7488kb | C++20 | 1.8kb | 2024-10-26 14:16:25 | 2024-10-26 14:16:26 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define ull unsigned long long
using namespace std;
map<pair<int, int>, int>mp;
int ques(int l, int r)
{
int s1;
if (mp[{l, r}] != 0)
{
return mp[{l, r}] - 1;
}
else
{
cout << "? " << l << " " << r << endl;
int op;
cin >> op;
mp[{l,r}] = op + 1;
return op;
}
}
bool check(int sub,int now)
{
int s1;
if (sub + 1 == now)
{
s1 = ques(sub, now);
}
else
{
s1 = ques(sub, now) ^ ques(sub + 1, now) ^ ques(sub, now - 1) ^ ques(sub + 1, now - 1);
}
if (s1 == 1)
{
return 0;
}
else
{
return 1;
}
}
int anwall[100000];
void solve()
{
int n;
cin >> n;
vector<int>ve;
ve.push_back(1);
for (int i = 2; i <= n; i++)
{
int l = 0;
int r = ve.size();
int fl1 = 0, fl2 = 0;
int anw;
while (l < r)
{
int sub = (l + r) >> 1;
if (check(ve[sub],i))
{
l = sub+1;
fl1 = 1;
anw = sub;
}
else
{
r = sub;
fl2 = 1;
}
}
if (fl1 == 0)
{
ve.insert(ve.begin(), i);
}
else if (fl2 == 0)
{
ve.push_back(i);
}
else
{
ve.insert(ve.begin() + anw + 1, i);
}
}
for (int i = 1; i <= n; i++)
{
anwall[ve[i - 1]] = i;
}
cout << "! ";
for (int i = 1; i <= n; i++)
{
cout << anwall[i] << " ";
}
}
int main(void)
{
ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3540kb
input:
3 0 1 0 0
output:
? 1 2 ? 2 3 ? 1 3 ? 2 2 ! 2 3 1
result:
ok OK, guesses=4
Test #2:
score: -100
Wrong Answer
time: 93ms
memory: 7488kb
input:
1993 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 1 1 1 0 1 1 0 0 1 1 1 1 1 1 1 0 0 0 1 1 1 1 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 0 1 0 1 1 1 1 0 0 1 1 0 1 0 0 0 0 0 1 1 0 1 1 1 1 0 0 0 0 1 0 1 0 0 0 0 1 0 1 0 1 1 0 0 0 0 0 1 1 1 0 1 0 0 0 1 0 0 0 1 1 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 1...
output:
? 1 2 ? 2 3 ? 2 4 ? 3 4 ? 3 3 ? 3 5 ? 4 5 ? 4 4 ? 2 5 ? 1 5 ? 1 4 ? 2 6 ? 3 6 ? 1 6 ? 5 6 ? 2 7 ? 3 7 ? 6 7 ? 5 7 ? 6 6 ? 1 8 ? 2 8 ? 1 7 ? 3 8 ? 4 8 ? 4 7 ? 2 9 ? 3 9 ? 6 9 ? 7 9 ? 6 8 ? 7 8 ? 1 9 ? 9 10 ? 6 10 ? 7 10 ? 5 10 ? 5 9 ? 8 10 ? 8 9 ? 9 11 ? 10 11 ? 10 10 ? 5 11 ? 6 11 ? 1 11 ? 2 11 ? 1 ...
result:
wrong output format Unexpected end of file - int32 expected