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답안 #1067177

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1067177 2024-08-20T12:32:56 Z Unforgettablepl 유괴 2 (JOI17_abduction2) C++17
44 / 100
 1576 ms 524288 KB 
#pragma GCC optimize("Ofast","unroll-all-loops")
#include <bits/stdc++.h>
using namespace std;

// #define int long long


int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int H,W,Q;
    cin >> H >> W >> Q;
    vector<int> A(H+1);
    vector liftmaxH(H+1,vector(16,0ll));
    for(int i=1;i<=H;i++) {
        cin>>A[i];
        liftmaxH[i][0]=A[i];
    }
    for(int bit=1;bit<16;bit++) {
        for(int i=1;i<=H;i++) {
            if(i+(1<<bit)-1>H)continue;
            liftmaxH[i][bit]=max(liftmaxH[i][bit-1],liftmaxH[i+(1<<(bit-1))][bit-1]);
        }
    }
    vector<int> B(W+1);
    vector liftmaxW(W+1,vector(16,0ll));
    for(int i=1;i<=W;i++){
        cin>>B[i];
        liftmaxW[i][0]=B[i];
    }
    for(int bit=1;bit<16;bit++) {
        for(int i=1;i<=W;i++) {
            if(i+(1<<bit)-1>W)continue;
            liftmaxW[i][bit]=max(liftmaxW[i][bit-1],liftmaxW[i+(1<<(bit-1))][bit-1]);
        }
    }
    vector visited(5,vector(H+1,map<int,long long>()));
    for(int i=1;i<=Q;i++) {
        int s,t;
        cin>>s>>t;
        long long bestans = 0;
        function<long long(int,int,int,int)> dfs = [&](int x,int y, int parx, int pary) {
            if(x<1 or x>H or y<1 or y>W)return -1ll;
            int pedge = 0;
            if(x>parx)pedge=1;
            else if(x<parx)pedge=2;
            else if(y>pary)pedge=3;
            else if(y<pary)pedge=4;
            if(visited[pedge][x].count(y))return visited[pedge][x][y];
            long long ans=0;
            if(A[x]>B[y]) {
                if(x!=parx or y-1!=pary) {
                    for(int bit=15;bit>=0;bit--) {
                        if(y-(1<<bit)<=0)continue;
                        if(liftmaxW[y-(1<<bit)+1][bit]<A[x]) {
                            ans = max(dfs(x,y-(1<<bit),x,y-(1<<bit)+1)+(1ll<<bit),ans);
                            break;
                        }
                    }
                }
                if(x!=parx or y+1!=pary) {
                    for(int bit=15;bit>=0;bit--) {
                        if(y+(1<<bit)>W)continue;
                        if(liftmaxW[y][bit]<A[x]) {
                            ans = max(dfs(x,y+(1<<bit),x,y+(1<<bit)-1)+(1ll<<bit),ans);
                            break;
                        }
                    }
                }
            } else {
                if(x+1!=parx or y!=pary) {
                    for(int bit=15;bit>=0;bit--) {
                        if(x+(1<<bit)>H)continue;
                        if(liftmaxH[x][bit]<B[y]) {
                            ans = max(dfs(x+(1<<bit),y,x+(1<<bit)-1,y)+(1ll<<bit),ans);
                            break;
                        }
                    }
                }
                if(x-1!=parx or y!=pary) {
                    for(int bit=15;bit>=0;bit--) {
                        if(x-(1<<bit)<=0)continue;
                        if(liftmaxH[x-(1<<bit)+1][bit]<B[y]) {
                            ans = max(dfs(x-(1<<bit),y,x-(1<<bit)+1,y)+(1ll<<bit),ans);
                            break;
                        }
                    }
                }
            }
            return visited[pedge][x][y]=ans;
        };
        bestans = max(bestans,dfs(s,t,s,t));
        if(A[s]>B[t]) {
            bestans=max(bestans,dfs(s-1,t,s,t)+1);
            bestans=max(bestans,dfs(s+1,t,s,t)+1);
        } else {
            bestans=max(bestans,dfs(s,t-1,s,t)+1);
            bestans=max(bestans,dfs(s,t+1,s,t)+1);
        }
        cout << bestans << '\n';
    }
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 1628 KB Output is correct
13 Correct 1 ms 1628 KB Output is correct
14 Correct 1 ms 1628 KB Output is correct
15 Correct 1 ms 1628 KB Output is correct
16 Correct 1 ms 1628 KB Output is correct
17 Correct 1 ms 1624 KB Output is correct
18 Correct 2 ms 1628 KB Output is correct
19 Correct 3 ms 2648 KB Output is correct
20 Correct 4 ms 2908 KB Output is correct
21 Correct 4 ms 2652 KB Output is correct
22 Correct 6 ms 3924 KB Output is correct

Subtask #3
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 1628 KB Output is correct
13 Correct 1 ms 1628 KB Output is correct
14 Correct 1 ms 1628 KB Output is correct
15 Correct 1 ms 1628 KB Output is correct
16 Correct 1 ms 1628 KB Output is correct
17 Correct 1 ms 1624 KB Output is correct
18 Correct 2 ms 1628 KB Output is correct
19 Correct 3 ms 2648 KB Output is correct
20 Correct 4 ms 2908 KB Output is correct
21 Correct 4 ms 2652 KB Output is correct
22 Correct 6 ms 3924 KB Output is correct
23 Correct 27 ms 31324 KB Output is correct
24 Correct 26 ms 31312 KB Output is correct
25 Correct 28 ms 31312 KB Output is correct
26 Correct 26 ms 31320 KB Output is correct
27 Correct 25 ms 31324 KB Output is correct
28 Correct 87 ms 53804 KB Output is correct
29 Correct 33 ms 32564 KB Output is correct
30 Correct 178 ms 70444 KB Output is correct
31 Correct 209 ms 81748 KB Output is correct
32 Correct 34 ms 31276 KB Output is correct
33 Correct 59 ms 42284 KB Output is correct

Subtask #4
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 2140 KB Output is correct
2 Correct 4 ms 2140 KB Output is correct
3 Correct 3 ms 2140 KB Output is correct
4 Correct 4 ms 2140 KB Output is correct
5 Correct 4 ms 2140 KB Output is correct
6 Correct 3 ms 2652 KB Output is correct
7 Correct 4 ms 2652 KB Output is correct
8 Correct 8 ms 3928 KB Output is correct
9 Correct 7 ms 3932 KB Output is correct
10 Correct 9 ms 3676 KB Output is correct
11 Correct 8 ms 4444 KB Output is correct

Subtask #5
0 / 56.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 1628 KB Output is correct
13 Correct 1 ms 1628 KB Output is correct
14 Correct 1 ms 1628 KB Output is correct
15 Correct 1 ms 1628 KB Output is correct
16 Correct 1 ms 1628 KB Output is correct
17 Correct 1 ms 1624 KB Output is correct
18 Correct 2 ms 1628 KB Output is correct
19 Correct 3 ms 2648 KB Output is correct
20 Correct 4 ms 2908 KB Output is correct
21 Correct 4 ms 2652 KB Output is correct
22 Correct 6 ms 3924 KB Output is correct
23 Correct 27 ms 31324 KB Output is correct
24 Correct 26 ms 31312 KB Output is correct
25 Correct 28 ms 31312 KB Output is correct
26 Correct 26 ms 31320 KB Output is correct
27 Correct 25 ms 31324 KB Output is correct
28 Correct 87 ms 53804 KB Output is correct
29 Correct 33 ms 32564 KB Output is correct
30 Correct 178 ms 70444 KB Output is correct
31 Correct 209 ms 81748 KB Output is correct
32 Correct 34 ms 31276 KB Output is correct
33 Correct 59 ms 42284 KB Output is correct
34 Correct 3 ms 2140 KB Output is correct
35 Correct 4 ms 2140 KB Output is correct
36 Correct 3 ms 2140 KB Output is correct
37 Correct 4 ms 2140 KB Output is correct
38 Correct 4 ms 2140 KB Output is correct
39 Correct 3 ms 2652 KB Output is correct
40 Correct 4 ms 2652 KB Output is correct
41 Correct 8 ms 3928 KB Output is correct
42 Correct 7 ms 3932 KB Output is correct
43 Correct 9 ms 3676 KB Output is correct
44 Correct 8 ms 4444 KB Output is correct
45 Correct 34 ms 31324 KB Output is correct
46 Correct 43 ms 31324 KB Output is correct
47 Correct 34 ms 31312 KB Output is correct
48 Correct 35 ms 31312 KB Output is correct
49 Correct 31 ms 31320 KB Output is correct
50 Correct 108 ms 57900 KB Output is correct
51 Correct 103 ms 60000 KB Output is correct
52 Correct 312 ms 102156 KB Output is correct
53 Correct 299 ms 98948 KB Output is correct
54 Correct 279 ms 95788 KB Output is correct
55 Correct 379 ms 128296 KB Output is correct
56 Runtime error 1576 ms 524288 KB Execution killed with signal 9
57 Halted 0 ms 0 KB -