oj.uz

답안 #282964

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
282964 2020-08-25T07:56:02 Z wildturtle 건물 4 (JOI20_building4) C++17
100 / 100
 1757 ms 115820 KB 
#include<bits/stdc++.h>
using namespace std;
long long a,b,c,d,i,e,f,g,n,m,k,l,wina,darch;
long long A[5][1000006],minn[1000006][5],maxx[1000006][5];
string s;
int main() {
    cin>>n;
    n*=2;
    for(long long i=1;i<=2;i++) {
        for(long long j=1;j<=n;j++) {
            cin>>A[i][j];
            minn[j][i]=1000000009;
        }
    }
    //cout<<"*";
    minn[1][1]=1; maxx[1][1]=1;
    minn[1][2]=0; maxx[1][2]=0;
    for(long long i=1;i<=n;i++) {
        for(long long j=1;j<=2;j++) {
        	//cout<<i<<" "<<j<<endl;
            if(A[j][i]>=A[1][i-1]) {
                //if(j==1 && i==2) cout<<minn[i][j]<<"-"<<minn[i-1][1]<<endl;
                minn[i][j]=min(minn[i][j],minn[i-1][1]+(j==1 ? 1:0));
                maxx[i][j]=max(maxx[i][j],maxx[i-1][1]+(j==1 ? 1:0));
            }
            if(A[j][i]>=A[2][i-1]) {
                //if(j==1 & i==2) cout<<minn[i][j]<<"-"<<minn[i-1][2]<<endl;
                minn[i][j]=min(minn[i][j],minn[i-1][2]+(j==1 ? 1:0));
                maxx[i][j]=max(maxx[i][j],maxx[i-1][2]+(j==1 ? 1:0));                
            }
        }
    }
    /*for(long long i=1;i<=n;i++) {
        for(long long j=1;j<=2;j++) {
            cout<<"{"<<minn[i][j]<<" "<<maxx[i][j]<<"}";
        }
        cout<<endl;
    }
    cout<<"*";*/
    darch=n/2;
    wina=1000000009;
    for(long long i=n;i>=1;i--) {
        for(long long j=1;j<=2;j++) {
            if(A[j][i]<=wina && minn[i][j]<=darch && darch<=maxx[i][j]) {
                wina=A[j][i];
                darch-=(j==1 ? 1:0);
                s+=(j==1 ? 'A':'B');
                k=1;
                break;
            }
        }
        if(k==0) {cout<<-1; return 0; }
    }
    reverse(s.begin(),s.end());
    cout<<s;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 7 ms 788 KB Output is correct
6 Correct 7 ms 768 KB Output is correct
7 Correct 6 ms 768 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 9 ms 768 KB Output is correct
10 Correct 6 ms 768 KB Output is correct
11 Correct 7 ms 768 KB Output is correct
12 Correct 8 ms 768 KB Output is correct
13 Correct 8 ms 768 KB Output is correct
14 Correct 8 ms 768 KB Output is correct
15 Correct 7 ms 768 KB Output is correct
16 Correct 9 ms 768 KB Output is correct
17 Correct 7 ms 768 KB Output is correct
18 Correct 7 ms 768 KB Output is correct
19 Correct 7 ms 768 KB Output is correct
20 Correct 4 ms 768 KB Output is correct
21 Correct 5 ms 768 KB Output is correct
22 Correct 4 ms 768 KB Output is correct
23 Correct 4 ms 768 KB Output is correct
24 Correct 8 ms 768 KB Output is correct
25 Correct 5 ms 768 KB Output is correct
26 Correct 5 ms 768 KB Output is correct
27 Correct 5 ms 768 KB Output is correct
28 Correct 4 ms 768 KB Output is correct
29 Correct 5 ms 768 KB Output is correct
30 Correct 4 ms 768 KB Output is correct
31 Correct 5 ms 768 KB Output is correct
32 Correct 5 ms 640 KB Output is correct
33 Correct 6 ms 768 KB Output is correct

Subtask #2
89.0 / 89.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 0 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 7 ms 788 KB Output is correct
6 Correct 7 ms 768 KB Output is correct
7 Correct 6 ms 768 KB Output is correct
8 Correct 7 ms 768 KB Output is correct
9 Correct 9 ms 768 KB Output is correct
10 Correct 6 ms 768 KB Output is correct
11 Correct 7 ms 768 KB Output is correct
12 Correct 8 ms 768 KB Output is correct
13 Correct 8 ms 768 KB Output is correct
14 Correct 8 ms 768 KB Output is correct
15 Correct 7 ms 768 KB Output is correct
16 Correct 9 ms 768 KB Output is correct
17 Correct 7 ms 768 KB Output is correct
18 Correct 7 ms 768 KB Output is correct
19 Correct 7 ms 768 KB Output is correct
20 Correct 4 ms 768 KB Output is correct
21 Correct 5 ms 768 KB Output is correct
22 Correct 4 ms 768 KB Output is correct
23 Correct 4 ms 768 KB Output is correct
24 Correct 8 ms 768 KB Output is correct
25 Correct 5 ms 768 KB Output is correct
26 Correct 5 ms 768 KB Output is correct
27 Correct 5 ms 768 KB Output is correct
28 Correct 4 ms 768 KB Output is correct
29 Correct 5 ms 768 KB Output is correct
30 Correct 4 ms 768 KB Output is correct
31 Correct 5 ms 768 KB Output is correct
32 Correct 5 ms 640 KB Output is correct
33 Correct 6 ms 768 KB Output is correct
34 Correct 1734 ms 111736 KB Output is correct
35 Correct 1614 ms 107512 KB Output is correct
36 Correct 1599 ms 105520 KB Output is correct
37 Correct 1648 ms 107824 KB Output is correct
38 Correct 1612 ms 107696 KB Output is correct
39 Correct 1553 ms 107324 KB Output is correct
40 Correct 1757 ms 114868 KB Output is correct
41 Correct 1611 ms 109616 KB Output is correct
42 Correct 1677 ms 112080 KB Output is correct
43 Correct 1731 ms 115820 KB Output is correct
44 Correct 1746 ms 115772 KB Output is correct
45 Correct 1749 ms 115704 KB Output is correct
46 Correct 1736 ms 115764 KB Output is correct
47 Correct 1685 ms 115056 KB Output is correct
48 Correct 1647 ms 114820 KB Output is correct
49 Correct 1729 ms 115724 KB Output is correct
50 Correct 1684 ms 115072 KB Output is correct
51 Correct 1682 ms 114976 KB Output is correct
52 Correct 903 ms 104044 KB Output is correct
53 Correct 885 ms 104172 KB Output is correct
54 Correct 879 ms 104140 KB Output is correct
55 Correct 870 ms 103872 KB Output is correct
56 Correct 1743 ms 114968 KB Output is correct
57 Correct 1389 ms 110688 KB Output is correct
58 Correct 1447 ms 110884 KB Output is correct
59 Correct 1383 ms 110956 KB Output is correct
60 Correct 1361 ms 104684 KB Output is correct
61 Correct 1433 ms 111724 KB Output is correct
62 Correct 1403 ms 110188 KB Output is correct
63 Correct 1425 ms 111608 KB Output is correct
64 Correct 1430 ms 107696 KB Output is correct
65 Correct 1535 ms 111376 KB Output is correct