oj.uz

Submission #438253

# Submission time Handle Problem Language Result Execution time Memory
438253 2021-06-27T19:26:31 Z CyanForces Dungeons Game (IOI21_dungeons) C++17
100 / 100
 3882 ms 892892 KB 
#include "dungeons.h"


#include <bits/stdc++.h>
using namespace std;

#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
#define debug(...) //ignore
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef long double ld;

int n;
vi s, p, w, l;

ll LG1 = 27;

struct T {
  int node;
  ll gain;
  ll max_strength;
};

T f(T a, T b) {
  T res;
  res.node = b.node;
  res.gain = a.gain + b.gain;
  res.max_strength = min(a.max_strength, b.max_strength - a.gain);
  return res;
}

vector<vector<vector<T>>> jmp;

void ini() {
  jmp.resize(LG1);
  rep(a,0,LG1) {
    if(a % 4 != 0) continue;
    ll z = 1LL<<a;
    jmp[a].assign(log2(z)+1, vector<T>(n+1));
    rep(i,0,n) {
      if(z >= s[i]) jmp[a][0][i] = T{w[i], ll(s[i]), ll(1e18)};
      else jmp[a][0][i] = T{l[i], ll(p[i]), ll(s[i]-1)};
    }
    jmp[a][0][n] = T{n, ll(0), ll(-1)}; // immediately loose when enter node n
    rep(k,1,sz(jmp[a])) rep(i,0,n+1)
      jmp[a][k][i] = f(jmp[a][k-1][i], jmp[a][k-1][jmp[a][k-1][i].node]);
  }
}

ll sim(int x, ll z, int a) {
  if(x == n) return z;
  assert(a%4 == 0);
  assert(z >= (1LL<<a));
  assert(a < LG1);
  if(z >= (1LL<<(a+4))) return sim(x,z,a+4);
  for(int k = sz(jmp[a]); k--;) {
    if(x == n) return z;
    auto v = jmp[a][k][x];
    if(z <= v.max_strength) {
      z += v.gain;
      x = v.node;
    }
  }
  if(x == n) return z;
  if(z >= s[x]) return sim(w[x], z+s[x], a);
  else return sim(l[x], z+p[x], a);
}


void init(int n, std::vector<int> s, std::vector<int> p, std::vector<int> w, std::vector<int> l) { ::n = n; ::s = s; ::p = p; ::w = w; ::l = l; ini(); return; }

ll simulate(int x, int z) { return sim(x,z,0); }

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 5 ms 4708 KB Output is correct
4 Correct 115 ms 110632 KB Output is correct
5 Correct 5 ms 4684 KB Output is correct
6 Correct 107 ms 110624 KB Output is correct

Subtask #2
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2508 KB Output is correct
2 Correct 896 ms 885760 KB Output is correct
3 Correct 852 ms 887676 KB Output is correct
4 Correct 873 ms 887856 KB Output is correct
5 Correct 958 ms 888216 KB Output is correct
6 Correct 1526 ms 886632 KB Output is correct
7 Correct 1713 ms 887188 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2508 KB Output is correct
2 Correct 272 ms 111536 KB Output is correct
3 Correct 223 ms 111528 KB Output is correct
4 Correct 136 ms 111408 KB Output is correct
5 Correct 159 ms 111412 KB Output is correct
6 Correct 291 ms 111416 KB Output is correct
7 Correct 540 ms 111412 KB Output is correct
8 Correct 276 ms 111404 KB Output is correct
9 Correct 153 ms 111408 KB Output is correct
10 Correct 518 ms 111408 KB Output is correct
11 Correct 1152 ms 111408 KB Output is correct
12 Correct 3426 ms 111400 KB Output is correct
13 Correct 3882 ms 111408 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2508 KB Output is correct
2 Correct 272 ms 111536 KB Output is correct
3 Correct 223 ms 111528 KB Output is correct
4 Correct 136 ms 111408 KB Output is correct
5 Correct 159 ms 111412 KB Output is correct
6 Correct 291 ms 111416 KB Output is correct
7 Correct 540 ms 111412 KB Output is correct
8 Correct 276 ms 111404 KB Output is correct
9 Correct 153 ms 111408 KB Output is correct
10 Correct 518 ms 111408 KB Output is correct
11 Correct 1152 ms 111408 KB Output is correct
12 Correct 3426 ms 111400 KB Output is correct
13 Correct 3882 ms 111408 KB Output is correct
14 Correct 3 ms 2508 KB Output is correct
15 Correct 173 ms 111408 KB Output is correct
16 Correct 237 ms 111408 KB Output is correct
17 Correct 151 ms 111412 KB Output is correct
18 Correct 158 ms 111464 KB Output is correct
19 Correct 302 ms 111532 KB Output is correct
20 Correct 190 ms 111404 KB Output is correct
21 Correct 233 ms 111408 KB Output is correct
22 Correct 700 ms 111436 KB Output is correct
23 Correct 1495 ms 111412 KB Output is correct
24 Correct 2230 ms 111416 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2508 KB Output is correct
2 Correct 272 ms 111536 KB Output is correct
3 Correct 223 ms 111528 KB Output is correct
4 Correct 136 ms 111408 KB Output is correct
5 Correct 159 ms 111412 KB Output is correct
6 Correct 291 ms 111416 KB Output is correct
7 Correct 540 ms 111412 KB Output is correct
8 Correct 276 ms 111404 KB Output is correct
9 Correct 153 ms 111408 KB Output is correct
10 Correct 518 ms 111408 KB Output is correct
11 Correct 1152 ms 111408 KB Output is correct
12 Correct 3426 ms 111400 KB Output is correct
13 Correct 3882 ms 111408 KB Output is correct
14 Correct 3 ms 2508 KB Output is correct
15 Correct 173 ms 111408 KB Output is correct
16 Correct 237 ms 111408 KB Output is correct
17 Correct 151 ms 111412 KB Output is correct
18 Correct 158 ms 111464 KB Output is correct
19 Correct 302 ms 111532 KB Output is correct
20 Correct 190 ms 111404 KB Output is correct
21 Correct 233 ms 111408 KB Output is correct
22 Correct 700 ms 111436 KB Output is correct
23 Correct 1495 ms 111412 KB Output is correct
24 Correct 2230 ms 111416 KB Output is correct
25 Correct 105 ms 110592 KB Output is correct
26 Correct 235 ms 111408 KB Output is correct
27 Correct 157 ms 111424 KB Output is correct
28 Correct 192 ms 111412 KB Output is correct
29 Correct 224 ms 111404 KB Output is correct
30 Correct 350 ms 111352 KB Output is correct
31 Correct 419 ms 111408 KB Output is correct
32 Correct 513 ms 111388 KB Output is correct
33 Correct 744 ms 111408 KB Output is correct
34 Correct 1260 ms 111304 KB Output is correct
35 Correct 1049 ms 111436 KB Output is correct

Subtask #6
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2508 KB Output is correct
2 Correct 896 ms 885760 KB Output is correct
3 Correct 852 ms 887676 KB Output is correct
4 Correct 873 ms 887856 KB Output is correct
5 Correct 958 ms 888216 KB Output is correct
6 Correct 1526 ms 886632 KB Output is correct
7 Correct 1713 ms 887188 KB Output is correct
8 Correct 3 ms 2508 KB Output is correct
9 Correct 272 ms 111536 KB Output is correct
10 Correct 223 ms 111528 KB Output is correct
11 Correct 136 ms 111408 KB Output is correct
12 Correct 159 ms 111412 KB Output is correct
13 Correct 291 ms 111416 KB Output is correct
14 Correct 540 ms 111412 KB Output is correct
15 Correct 276 ms 111404 KB Output is correct
16 Correct 153 ms 111408 KB Output is correct
17 Correct 518 ms 111408 KB Output is correct
18 Correct 1152 ms 111408 KB Output is correct
19 Correct 3426 ms 111400 KB Output is correct
20 Correct 3882 ms 111408 KB Output is correct
21 Correct 3 ms 2508 KB Output is correct
22 Correct 173 ms 111408 KB Output is correct
23 Correct 237 ms 111408 KB Output is correct
24 Correct 151 ms 111412 KB Output is correct
25 Correct 158 ms 111464 KB Output is correct
26 Correct 302 ms 111532 KB Output is correct
27 Correct 190 ms 111404 KB Output is correct
28 Correct 233 ms 111408 KB Output is correct
29 Correct 700 ms 111436 KB Output is correct
30 Correct 1495 ms 111412 KB Output is correct
31 Correct 2230 ms 111416 KB Output is correct
32 Correct 105 ms 110592 KB Output is correct
33 Correct 235 ms 111408 KB Output is correct
34 Correct 157 ms 111424 KB Output is correct
35 Correct 192 ms 111412 KB Output is correct
36 Correct 224 ms 111404 KB Output is correct
37 Correct 350 ms 111352 KB Output is correct
38 Correct 419 ms 111408 KB Output is correct
39 Correct 513 ms 111388 KB Output is correct
40 Correct 744 ms 111408 KB Output is correct
41 Correct 1260 ms 111304 KB Output is correct
42 Correct 1049 ms 111436 KB Output is correct
43 Correct 1 ms 204 KB Output is correct
44 Correct 3 ms 2508 KB Output is correct
45 Correct 1217 ms 892892 KB Output is correct
46 Correct 957 ms 889960 KB Output is correct
47 Correct 933 ms 890552 KB Output is correct
48 Correct 1010 ms 891544 KB Output is correct
49 Correct 1230 ms 892284 KB Output is correct
50 Correct 1201 ms 889684 KB Output is correct
51 Correct 926 ms 890736 KB Output is correct
52 Correct 1264 ms 889744 KB Output is correct
53 Correct 1872 ms 890448 KB Output is correct
54 Correct 1902 ms 886860 KB Output is correct
55 Correct 2432 ms 887072 KB Output is correct
56 Correct 3060 ms 887116 KB Output is correct
57 Correct 2236 ms 887064 KB Output is correct
58 Correct 2593 ms 886520 KB Output is correct
59 Correct 2440 ms 886592 KB Output is correct
60 Correct 3356 ms 885976 KB Output is correct
61 Correct 3467 ms 886456 KB Output is correct