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Submission #990563

# Submission time Handle Problem Language Result Execution time Memory
990563 2024-05-30T16:13:27 Z alexdd Mađioničar (COI22_madionicar) C++17
100 / 100
 1264 ms 596 KB 
#include<bits/stdc++.h>
using namespace std;
int n,cntq;

bool query(int le, int ri)
{
    if(le<1 || ri>n || le>ri)
        return 0;
    if(le==ri)
        return 1;
    int aux;
    cout<<"? "<<le<<" "<<ri<<endl;
    cin>>aux;
    return aux;
}
signed main()
{
    cin>>n;
    int mxm=1,p;
    for(int i=1;i<n;i++)
    {
        p = mxm/2;
        while(query(i-p,i+1+p))
            p++;
        mxm = max(mxm, 2*p);
    }
    for(int i=1;i<=n;i++)
    {
        p = (mxm+1)/2;
        while(query(i-p,i+p))
            p++;
        mxm = max(mxm, 2*p-1);
    }
    cout<<"! "<<mxm<<endl;
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 344 KB Output is correct
2 Correct 67 ms 340 KB Output is correct
3 Correct 90 ms 344 KB Output is correct
4 Correct 99 ms 344 KB Output is correct
5 Correct 88 ms 344 KB Output is correct
6 Correct 74 ms 344 KB Output is correct
7 Correct 36 ms 344 KB Output is correct
8 Correct 89 ms 344 KB Output is correct
9 Correct 80 ms 344 KB Output is correct
10 Correct 107 ms 344 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 344 KB Output is correct
2 Correct 67 ms 340 KB Output is correct
3 Correct 90 ms 344 KB Output is correct
4 Correct 99 ms 344 KB Output is correct
5 Correct 88 ms 344 KB Output is correct
6 Correct 74 ms 344 KB Output is correct
7 Correct 36 ms 344 KB Output is correct
8 Correct 89 ms 344 KB Output is correct
9 Correct 80 ms 344 KB Output is correct
10 Correct 107 ms 344 KB Output is correct
11 Correct 786 ms 344 KB Output is correct
12 Correct 804 ms 344 KB Output is correct
13 Correct 799 ms 344 KB Output is correct
14 Correct 698 ms 344 KB Output is correct
15 Correct 819 ms 344 KB Output is correct
16 Correct 338 ms 344 KB Output is correct
17 Correct 385 ms 344 KB Output is correct
18 Correct 783 ms 344 KB Output is correct
19 Correct 369 ms 344 KB Output is correct
20 Correct 788 ms 344 KB Output is correct
21 Correct 701 ms 344 KB Output is correct
22 Correct 779 ms 344 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1232 ms 344 KB Output is correct
2 Correct 937 ms 344 KB Output is correct
3 Correct 1121 ms 344 KB Output is correct
4 Correct 694 ms 344 KB Output is correct
5 Correct 551 ms 344 KB Output is correct
6 Correct 1198 ms 344 KB Output is correct
7 Correct 600 ms 596 KB Output is correct
8 Correct 1115 ms 344 KB Output is correct
9 Correct 1121 ms 344 KB Output is correct
10 Correct 1142 ms 344 KB Output is correct
11 Correct 569 ms 344 KB Output is correct
12 Correct 567 ms 344 KB Output is correct
13 Correct 1187 ms 344 KB Output is correct
14 Correct 1191 ms 344 KB Output is correct

Subtask #4
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 344 KB Output is correct
2 Correct 67 ms 340 KB Output is correct
3 Correct 90 ms 344 KB Output is correct
4 Correct 99 ms 344 KB Output is correct
5 Correct 88 ms 344 KB Output is correct
6 Correct 74 ms 344 KB Output is correct
7 Correct 36 ms 344 KB Output is correct
8 Correct 89 ms 344 KB Output is correct
9 Correct 80 ms 344 KB Output is correct
10 Correct 107 ms 344 KB Output is correct
11 Correct 786 ms 344 KB Output is correct
12 Correct 804 ms 344 KB Output is correct
13 Correct 799 ms 344 KB Output is correct
14 Correct 698 ms 344 KB Output is correct
15 Correct 819 ms 344 KB Output is correct
16 Correct 338 ms 344 KB Output is correct
17 Correct 385 ms 344 KB Output is correct
18 Correct 783 ms 344 KB Output is correct
19 Correct 369 ms 344 KB Output is correct
20 Correct 788 ms 344 KB Output is correct
21 Correct 701 ms 344 KB Output is correct
22 Correct 779 ms 344 KB Output is correct
23 Correct 1232 ms 344 KB Output is correct
24 Correct 937 ms 344 KB Output is correct
25 Correct 1121 ms 344 KB Output is correct
26 Correct 694 ms 344 KB Output is correct
27 Correct 551 ms 344 KB Output is correct
28 Correct 1198 ms 344 KB Output is correct
29 Correct 600 ms 596 KB Output is correct
30 Correct 1115 ms 344 KB Output is correct
31 Correct 1121 ms 344 KB Output is correct
32 Correct 1142 ms 344 KB Output is correct
33 Correct 569 ms 344 KB Output is correct
34 Correct 567 ms 344 KB Output is correct
35 Correct 1187 ms 344 KB Output is correct
36 Correct 1191 ms 344 KB Output is correct
37 Correct 1245 ms 344 KB Output is correct
38 Correct 1168 ms 344 KB Output is correct
39 Correct 1194 ms 344 KB Output is correct
40 Correct 1127 ms 340 KB Output is correct
41 Correct 1160 ms 344 KB Output is correct
42 Correct 730 ms 344 KB Output is correct
43 Correct 604 ms 344 KB Output is correct
44 Correct 1173 ms 344 KB Output is correct
45 Correct 616 ms 344 KB Output is correct
46 Correct 1264 ms 344 KB Output is correct
47 Correct 1162 ms 344 KB Output is correct
48 Correct 1211 ms 344 KB Output is correct
49 Correct 615 ms 344 KB Output is correct
50 Correct 1157 ms 344 KB Output is correct
51 Correct 1187 ms 344 KB Output is correct
52 Correct 1166 ms 344 KB Output is correct