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답안 #580298

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
580298 2022-06-21T04:45:51 Z balbit Sightseeing in Kyoto (JOI22_kyoto) C++14
40 / 100
 45 ms 34720 KB 
#include <bits/stdc++.h>
using namespace std;

#define int ll

#define ll long long
#define pii pair<ll, ll>
#define f first
#define s second

#define MX(a,b) a = max(a,b)
#define MN(a,b) a = min(a,b)

#define SZ(x) (int)(x).size()
#define ALL(x) (x).begin(), (x).end()
#define pb push_back

#define FOR(i,a,b) for (int i = a; i<b; ++i)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) for (int i = n-1; i>=0; --i)
#define REP1(i,n) FOR(i,1,n+1)

#ifdef BALBIT
#define bug(...) cerr<<"#"<<__LINE__<<": "<<#__VA_ARGS__<<"- ", _do(__VA_ARGS__)
template<typename T> void _do( T && x) {cerr<<x<<endl;}
template<typename T, typename ...S> void _do( T && x, S && ...y) {cerr<<x<<", "; _do(y...);}
#else
#define bug(...)
#define endl '\n'
#endif // BALBIT

const int maxn = 2e3+5;
const ll inf = 0x3f3f3f3f3f3f3f3f;

int xpos[maxn], ypos[maxn];
int xv[maxn], yv[maxn];



ll dp[maxn][maxn];

vector<pii> clean(vector<int> raw) {
    int n = SZ(raw);
    vector<int> prefmin(n+2, inf), sufmin(n+2, inf);

    REP(i, n) {
        prefmin[i+1] = min(prefmin[i], raw[i]);
    }

    for (int i = n-2; i>=0; --i) {
        sufmin[i] = min(sufmin[i+1], raw[i+1]);
    }

    vector<pii> re;

    REP(i,n) {
        if (raw[i] >= prefmin[i] && raw[i] >= sufmin[i]) {
            // useless
            continue;
        }
        re.pb({raw[i], i});
    }

    return re;
}

signed main(){
    ios::sync_with_stdio(0), cin.tie(0);
    bug(1,2);

    int H,W; cin>>H>>W;
    int n,m;
    {
        vector<int> tmp(H);
        REP(i,H) cin>>tmp[i];
        vector<pii> gx = clean(tmp);
        n = SZ(gx);
        REP(i, n) {
            xpos[i] = gx[i].s, xv[i] = gx[i].f;
        }
    }
    {
        vector<int> tmp(W);
        REP(i,W) cin>>tmp[i];
        vector<pii> gy = clean(tmp);
        m = SZ(gy);
        REP(i, m) {
            ypos[i] = gy[i].s, yv[i] = gy[i].f;
        }
    }

    bug(n,m);

    memset(dp, 0x3f, sizeof dp);
    dp[0][0] = 0;
    REP(i,n) {
        REP(j,m) {
            if (i) MN(dp[i][j], dp[i-1][j] + yv[j] * (xpos[i] - xpos[i-1]));
            if (j) MN(dp[i][j], dp[i][j-1] + xv[i] * (ypos[j] - ypos[j-1]));
        }
    }

    cout<<dp[n-1][m-1]<<endl;

}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 31792 KB Output is correct
2 Correct 14 ms 31772 KB Output is correct
3 Correct 14 ms 31760 KB Output is correct
4 Correct 14 ms 31824 KB Output is correct
5 Correct 13 ms 31828 KB Output is correct
6 Correct 13 ms 31704 KB Output is correct
7 Correct 14 ms 31784 KB Output is correct
8 Correct 17 ms 31704 KB Output is correct
9 Correct 15 ms 31828 KB Output is correct
10 Correct 15 ms 31800 KB Output is correct
11 Correct 17 ms 31828 KB Output is correct
12 Correct 18 ms 31828 KB Output is correct
13 Correct 18 ms 31808 KB Output is correct
14 Correct 14 ms 31776 KB Output is correct
15 Correct 14 ms 31828 KB Output is correct
16 Correct 18 ms 31828 KB Output is correct
17 Correct 13 ms 31824 KB Output is correct
18 Correct 15 ms 31700 KB Output is correct
19 Correct 16 ms 31688 KB Output is correct
20 Correct 13 ms 31680 KB Output is correct
21 Correct 14 ms 31716 KB Output is correct
22 Correct 13 ms 31700 KB Output is correct
23 Correct 13 ms 31700 KB Output is correct
24 Correct 14 ms 31700 KB Output is correct
25 Correct 17 ms 31784 KB Output is correct
26 Correct 14 ms 31700 KB Output is correct
27 Correct 14 ms 31724 KB Output is correct
28 Correct 14 ms 31700 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 13 ms 31700 KB Output is correct
2 Correct 14 ms 31708 KB Output is correct
3 Correct 15 ms 31832 KB Output is correct
4 Correct 19 ms 32380 KB Output is correct
5 Correct 22 ms 32180 KB Output is correct
6 Correct 21 ms 31940 KB Output is correct
7 Correct 39 ms 32588 KB Output is correct
8 Correct 31 ms 32600 KB Output is correct
9 Correct 29 ms 33476 KB Output is correct
10 Correct 31 ms 33476 KB Output is correct
11 Correct 43 ms 33408 KB Output is correct
12 Correct 38 ms 33480 KB Output is correct
13 Correct 30 ms 33488 KB Output is correct
14 Correct 45 ms 33448 KB Output is correct
15 Correct 30 ms 32932 KB Output is correct
16 Correct 14 ms 31692 KB Output is correct
17 Correct 14 ms 31780 KB Output is correct
18 Correct 14 ms 31772 KB Output is correct
19 Correct 14 ms 31720 KB Output is correct
20 Correct 13 ms 31768 KB Output is correct
21 Correct 15 ms 31700 KB Output is correct
22 Correct 14 ms 31700 KB Output is correct
23 Correct 17 ms 31700 KB Output is correct
24 Correct 16 ms 31700 KB Output is correct
25 Correct 14 ms 31700 KB Output is correct
26 Correct 14 ms 31700 KB Output is correct

Subtask #3
0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 15 ms 31792 KB Output is correct
2 Correct 14 ms 31772 KB Output is correct
3 Correct 14 ms 31760 KB Output is correct
4 Correct 14 ms 31824 KB Output is correct
5 Correct 13 ms 31828 KB Output is correct
6 Correct 13 ms 31704 KB Output is correct
7 Correct 14 ms 31784 KB Output is correct
8 Correct 17 ms 31704 KB Output is correct
9 Correct 15 ms 31828 KB Output is correct
10 Correct 15 ms 31800 KB Output is correct
11 Correct 17 ms 31828 KB Output is correct
12 Correct 18 ms 31828 KB Output is correct
13 Correct 18 ms 31808 KB Output is correct
14 Correct 14 ms 31776 KB Output is correct
15 Correct 14 ms 31828 KB Output is correct
16 Correct 18 ms 31828 KB Output is correct
17 Correct 13 ms 31824 KB Output is correct
18 Correct 15 ms 31700 KB Output is correct
19 Correct 16 ms 31688 KB Output is correct
20 Correct 13 ms 31680 KB Output is correct
21 Correct 14 ms 31716 KB Output is correct
22 Correct 13 ms 31700 KB Output is correct
23 Correct 13 ms 31700 KB Output is correct
24 Correct 14 ms 31700 KB Output is correct
25 Correct 17 ms 31784 KB Output is correct
26 Correct 14 ms 31700 KB Output is correct
27 Correct 14 ms 31724 KB Output is correct
28 Correct 14 ms 31700 KB Output is correct
29 Correct 13 ms 31700 KB Output is correct
30 Correct 14 ms 31708 KB Output is correct
31 Correct 15 ms 31832 KB Output is correct
32 Correct 19 ms 32380 KB Output is correct
33 Correct 22 ms 32180 KB Output is correct
34 Correct 21 ms 31940 KB Output is correct
35 Correct 39 ms 32588 KB Output is correct
36 Correct 31 ms 32600 KB Output is correct
37 Correct 29 ms 33476 KB Output is correct
38 Correct 31 ms 33476 KB Output is correct
39 Correct 43 ms 33408 KB Output is correct
40 Correct 38 ms 33480 KB Output is correct
41 Correct 30 ms 33488 KB Output is correct
42 Correct 45 ms 33448 KB Output is correct
43 Correct 30 ms 32932 KB Output is correct
44 Correct 14 ms 31692 KB Output is correct
45 Correct 14 ms 31780 KB Output is correct
46 Correct 14 ms 31772 KB Output is correct
47 Correct 14 ms 31720 KB Output is correct
48 Correct 13 ms 31768 KB Output is correct
49 Correct 15 ms 31700 KB Output is correct
50 Correct 14 ms 31700 KB Output is correct
51 Correct 17 ms 31700 KB Output is correct
52 Correct 16 ms 31700 KB Output is correct
53 Correct 14 ms 31700 KB Output is correct
54 Correct 14 ms 31700 KB Output is correct
55 Correct 23 ms 32696 KB Output is correct
56 Correct 15 ms 31828 KB Output is correct
57 Correct 15 ms 32084 KB Output is correct
58 Correct 21 ms 32220 KB Output is correct
59 Correct 39 ms 33752 KB Output is correct
60 Correct 41 ms 33724 KB Output is correct
61 Correct 42 ms 34720 KB Output is correct
62 Correct 37 ms 34628 KB Output is correct
63 Runtime error 17 ms 6728 KB Execution killed with signal 11
64 Halted 0 ms 0 KB -