oj.uz

Submission #570391

# Submission time Handle Problem Language Result Execution time Memory
570391 2022-05-29T12:53:28 Z cheissmart Wombats (IOI13_wombats) C++14
100 / 100
 6804 ms 248136 KB 
#include "wombats.h"
#include <bits/stdc++.h>
#define IO_OP std::ios::sync_with_stdio(0); std::cin.tie(0);
#define F first
#define S second
#define V vector
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(v) int((v).size())
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;

string _reset = "\u001b[0m", _yellow = "\u001b[33m", _bold = "\u001b[1m";
void DBG() { cerr << "]" << _reset << endl; }
template<class H, class...T> void DBG(H h, T ...t) {
    cerr << to_string(h);
    if(sizeof ...(t)) cerr << ", ";
    DBG(t...);
}
#ifdef CHEISSMART
#define debug(...) cerr << _yellow << _bold << "Line(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__)
#else
#define debug(...)
#endif

const int INF = 1e9 + 7, K = 15;

int h[5000][200], v[5000][200], dp[5000][200];
int R, C;

struct node {
    int a[200][200];
    node() { memset(a, 0x3f, sizeof a); }
    void build(int tl, int tr) {
        for(int s = 0; s < C; s++) {
            for(int j = 0; j < C; j++)
                dp[tl][j] = INF;
            auto gogo = [&] (int row) {
                for(int i = 0; i + 1 < C; i++)
                    dp[row][i + 1] = min(dp[row][i + 1], dp[row][i] + h[row][i]);
                for(int i = C - 2; i >= 0; i--)
                    dp[row][i] = min(dp[row][i], dp[row][i + 1] + h[row][i]);
            };
            dp[tl][s] = 0;
            gogo(tl);
            for(int i = tl + 1; i <= tr; i++) {
                for(int j = 0; j < C; j++)
                    dp[i][j] = dp[i - 1][j] + v[i - 1][j];
                gogo(i);
            }
            for(int t = 0; t < C; t++)
                a[s][t] = dp[tr][t];
        }
    }
    void add(node& l, node& r) {
        int aux[200][200];
        for(int diff = -(C - 1); diff <= (C - 1); diff++) {
            for(int s = 0; s < C; s++) {
                int t = s + diff;
                if(0 <= t && t < C) {
                    int lb = t - 1 >= 0 ? aux[s][t - 1] : 0;
                    int rb = s + 1 < C ? aux[s + 1][t] : C - 1;
                    a[s][t] = INF;
                    for(int k = lb; k <= rb; k++) {
                        if(l.a[s][k] + r.a[k][t] < a[s][t]) {
                            a[s][t] = l.a[s][k] + r.a[k][t];
                            aux[s][t] = k;
                        }
                    }
                }
            }
        }
    }
} t[350 * 4];

void upd(int pos, int v = 1, int tl = 0, int tr = R - 1) {
    if(tr - tl <= K) {
        t[v].build(tl, tr);
        return;
    }
    int tm = (tl + tr) / 2;
    if(pos < tm)
        upd(pos, v * 2, tl, tm);
    else 
        upd(pos, v * 2 + 1, tm, tr);
    t[v].add(t[v * 2], t[v * 2 + 1]);
}

void build(int v = 1, int tl = 0, int tr = R - 1) {
    if(tr - tl <= K) {
        t[v].build(tl, tr);
        return;
    }
    int tm = (tl + tr) / 2;
    build(v * 2, tl, tm);
    build(v * 2 + 1, tm, tr);
    t[v].add(t[v * 2], t[v * 2 + 1]);
}

void init(int _R, int _C, int _h[5000][200], int _v[5000][200]) {
    memcpy(h, _h, sizeof h);
    memcpy(v, _v, sizeof v);
    R = _R, C = _C;
    build();
}  

void changeH(int P, int Q, int W) {
    h[P][Q] = W;
    if(P) upd(P - 1);
    upd(P);
}

void changeV(int P, int Q, int W) {
    v[P][Q] = W;
    upd(P);
}

int escape(int V1, int V2) {
    return t[1].a[V1][V2];
}

Compilation message

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 100 ms 235236 KB Output is correct
2 Correct 104 ms 235244 KB Output is correct
3 Correct 164 ms 236780 KB Output is correct
4 Correct 94 ms 235212 KB Output is correct
5 Correct 97 ms 235316 KB Output is correct
6 Correct 92 ms 227264 KB Output is correct
7 Correct 92 ms 227276 KB Output is correct
8 Correct 88 ms 227288 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 90 ms 227284 KB Output is correct
2 Correct 94 ms 227312 KB Output is correct
3 Correct 95 ms 227204 KB Output is correct
4 Correct 88 ms 227460 KB Output is correct
5 Correct 86 ms 227452 KB Output is correct
6 Correct 93 ms 227488 KB Output is correct
7 Correct 93 ms 227408 KB Output is correct
8 Correct 101 ms 227512 KB Output is correct
9 Correct 86 ms 227392 KB Output is correct
10 Correct 93 ms 227468 KB Output is correct
11 Correct 160 ms 228428 KB Output is correct
12 Correct 99 ms 227404 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 253 ms 227596 KB Output is correct
2 Correct 216 ms 227704 KB Output is correct
3 Correct 306 ms 227708 KB Output is correct
4 Correct 200 ms 227620 KB Output is correct
5 Correct 269 ms 227660 KB Output is correct
6 Correct 90 ms 227236 KB Output is correct
7 Correct 88 ms 227276 KB Output is correct
8 Correct 96 ms 227220 KB Output is correct
9 Correct 918 ms 227712 KB Output is correct
10 Correct 91 ms 227276 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 106 ms 239068 KB Output is correct
2 Correct 97 ms 239192 KB Output is correct
3 Correct 103 ms 239116 KB Output is correct
4 Correct 160 ms 240008 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 248 ms 227660 KB Output is correct
2 Correct 195 ms 227716 KB Output is correct
3 Correct 304 ms 227708 KB Output is correct
4 Correct 214 ms 227640 KB Output is correct
5 Correct 256 ms 227708 KB Output is correct
6 Correct 98 ms 239120 KB Output is correct
7 Correct 105 ms 239140 KB Output is correct
8 Correct 104 ms 239248 KB Output is correct
9 Correct 132 ms 239968 KB Output is correct
10 Correct 106 ms 235208 KB Output is correct
11 Correct 98 ms 235168 KB Output is correct
12 Correct 158 ms 236776 KB Output is correct
13 Correct 112 ms 235208 KB Output is correct
14 Correct 102 ms 235212 KB Output is correct
15 Correct 96 ms 227224 KB Output is correct
16 Correct 86 ms 227276 KB Output is correct
17 Correct 93 ms 227288 KB Output is correct
18 Correct 89 ms 227504 KB Output is correct
19 Correct 94 ms 227392 KB Output is correct
20 Correct 86 ms 227456 KB Output is correct
21 Correct 87 ms 227492 KB Output is correct
22 Correct 89 ms 227408 KB Output is correct
23 Correct 96 ms 227424 KB Output is correct
24 Correct 92 ms 227408 KB Output is correct
25 Correct 181 ms 228532 KB Output is correct
26 Correct 104 ms 227456 KB Output is correct
27 Correct 932 ms 227708 KB Output is correct
28 Correct 1696 ms 239512 KB Output is correct
29 Correct 1477 ms 237596 KB Output is correct
30 Correct 1503 ms 237440 KB Output is correct
31 Correct 1539 ms 240544 KB Output is correct
32 Correct 96 ms 227216 KB Output is correct

Subtask #6
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 254 ms 227708 KB Output is correct
2 Correct 202 ms 227704 KB Output is correct
3 Correct 312 ms 227704 KB Output is correct
4 Correct 219 ms 227788 KB Output is correct
5 Correct 283 ms 227636 KB Output is correct
6 Correct 92 ms 239264 KB Output is correct
7 Correct 106 ms 239096 KB Output is correct
8 Correct 120 ms 239064 KB Output is correct
9 Correct 144 ms 239924 KB Output is correct
10 Correct 94 ms 235232 KB Output is correct
11 Correct 96 ms 235284 KB Output is correct
12 Correct 178 ms 236912 KB Output is correct
13 Correct 122 ms 235232 KB Output is correct
14 Correct 117 ms 235300 KB Output is correct
15 Correct 1898 ms 239204 KB Output is correct
16 Correct 6804 ms 242116 KB Output is correct
17 Correct 120 ms 227316 KB Output is correct
18 Correct 128 ms 227296 KB Output is correct
19 Correct 117 ms 227228 KB Output is correct
20 Correct 113 ms 227416 KB Output is correct
21 Correct 126 ms 227420 KB Output is correct
22 Correct 110 ms 227488 KB Output is correct
23 Correct 128 ms 227420 KB Output is correct
24 Correct 111 ms 227464 KB Output is correct
25 Correct 109 ms 227472 KB Output is correct
26 Correct 111 ms 227432 KB Output is correct
27 Correct 221 ms 229820 KB Output is correct
28 Correct 110 ms 227416 KB Output is correct
29 Correct 1075 ms 227780 KB Output is correct
30 Correct 1860 ms 243352 KB Output is correct
31 Correct 6644 ms 247556 KB Output is correct
32 Correct 6197 ms 247588 KB Output is correct
33 Correct 1491 ms 240936 KB Output is correct
34 Correct 5461 ms 244924 KB Output is correct
35 Correct 1557 ms 240844 KB Output is correct
36 Correct 5443 ms 244776 KB Output is correct
37 Correct 1569 ms 245048 KB Output is correct
38 Correct 5665 ms 248136 KB Output is correct
39 Correct 91 ms 227236 KB Output is correct
40 Correct 5521 ms 245056 KB Output is correct