oj.uz

Submission #114978

# Submission time Handle Problem Language Result Execution time Memory
114978 2019-06-04T08:34:08 Z IVIosab Xylophone (JOI18_xylophone) C++17
47 / 100
 76 ms 760 KB 
#include "xylophone.h"
#include <bits/stdc++.h>
using namespace std;

int a[5005];

void solve(int N) {
    int n=N;
    int value = query(1, N);
    map<pair<int,int>,int> mp;
    for(int i=1;i<n;i++){
        int t=query(i,i+1);
        mp[{i,i+1}]=t;
    }
    for(int i=1;i<n-1;i++){
        int t=query(i,i+2);
        if(mp[{i,i+1}]+mp[{i+1,i+2}]==t){
            mp[{i,i+2}]=1;
        }
    }
    int p1=1,p2=N;
    while(p2>=p1){
        int v=query(p1,p2);
        if(v!=value){
            p2++;
            break;
        }
        p2--;
    }
    while(p1<=p2){
        int v=query(p1,p2);
        if(v!=value){
            p1--;
            break;
        }
        p1++;
    }
    a[p1]=1;
    a[p2]=n;
    for(int i=p1-1;i>=1;i--){
        int t=mp[{i,i+1}];
        if(i==p1-1){
            a[i]=1+t;
        }
        else{
            if(mp[{i,i+2}]){
                if(a[i+1]>a[i+2]){
                    a[i]=a[i+1]+t;
                }
                else{
                    a[i]=a[i+1]-t;
                }
            }
            else{
                if(a[i+1]>a[i+2]){
                    a[i]=a[i+1]-t;
                }
                else{
                    a[i]=a[i+1]+t;
                }
            }
        }
    }
    if(p1!=p2-1){
        for(int i=p1+1;i<p2;i++){
            int t=mp[{i-1,i}];
            if(i==p1+1){
                a[i]=1+t;
            }
            else{
                if(mp[{i-2,i}]){
                    if(a[i-2]>a[i-1]){
                        a[i]=a[i-1]-t;
                    }
                    else{
                        a[i]=a[i-1]+t;
                    }
                }
                else{
                    if(a[i-2]>a[i-1]){
                        a[i]=a[i-1]+t;
                    }
                    else{
                        a[i]=a[i-1]-t;
                    }
                }
            }
        }
    }
    for(int i=p2+1;i<=n;i++){
        int t=mp[{i-1,i}];
        if(i==p2+1){
            a[i]=n-t;
        }
        else{
            if(mp[{i-2,i}]){
                if(a[i-2]>a[i-1]){
                    a[i]=a[i-1]-t;
                }
                else{
                    a[i]=a[i-1]+t;
                }
            }
            else{
                if(a[i-2]>a[i-1]){
                    a[i]=a[i-1]+t;
                }
                else{
                    a[i]=a[i-1]-t;
                }
            }
        }
    }
    for(int i=1;i<=n;i++){
        answer(i,a[i]);
    }
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 256 KB Output is correct
7 Correct 4 ms 256 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 3 ms 408 KB Output is correct

Subtask #2
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 256 KB Output is correct
7 Correct 4 ms 256 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 3 ms 408 KB Output is correct
16 Correct 4 ms 416 KB Output is correct
17 Correct 15 ms 356 KB Output is correct
18 Correct 10 ms 324 KB Output is correct
19 Correct 27 ms 508 KB Output is correct
20 Correct 12 ms 560 KB Output is correct
21 Correct 30 ms 376 KB Output is correct
22 Correct 14 ms 412 KB Output is correct
23 Correct 18 ms 432 KB Output is correct
24 Correct 30 ms 424 KB Output is correct
25 Correct 33 ms 504 KB Output is correct
26 Correct 30 ms 428 KB Output is correct
27 Correct 19 ms 424 KB Output is correct
28 Correct 20 ms 376 KB Output is correct
29 Correct 17 ms 504 KB Output is correct
30 Correct 26 ms 504 KB Output is correct

Subtask #3
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 332 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Correct 4 ms 384 KB Output is correct
6 Correct 4 ms 256 KB Output is correct
7 Correct 4 ms 256 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 4 ms 256 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 3 ms 408 KB Output is correct
16 Correct 4 ms 416 KB Output is correct
17 Correct 15 ms 356 KB Output is correct
18 Correct 10 ms 324 KB Output is correct
19 Correct 27 ms 508 KB Output is correct
20 Correct 12 ms 560 KB Output is correct
21 Correct 30 ms 376 KB Output is correct
22 Correct 14 ms 412 KB Output is correct
23 Correct 18 ms 432 KB Output is correct
24 Correct 30 ms 424 KB Output is correct
25 Correct 33 ms 504 KB Output is correct
26 Correct 30 ms 428 KB Output is correct
27 Correct 19 ms 424 KB Output is correct
28 Correct 20 ms 376 KB Output is correct
29 Correct 17 ms 504 KB Output is correct
30 Correct 26 ms 504 KB Output is correct
31 Correct 69 ms 552 KB Output is correct
32 Correct 56 ms 632 KB Output is correct
33 Incorrect 76 ms 760 KB Wrong Answer [2]
34 Halted 0 ms 0 KB -