oj.uz

Submission #226357

# Submission time Handle Problem Language Result Execution time Memory
226357 2020-04-23T12:42:59 Z cgiosy Wombats (IOI13_wombats) C++17
100 / 100
 7737 ms 105308 KB 
#pragma GCC optimize("O3")
#pragma GCC target("arch=haswell")
#include <bits/stdc++.h>
#include "wombats.h"
#define rep(i,n) for(int i=0; i<n; i++)
#define reset(a) memset(a, 0x3f, sizeof a)
using namespace std;
constexpr int K=20, SZ=512;

int N, M, X[5000][200], Y[5000][200];
int T[SZ][200][200], L[SZ], R[SZ], id=1;
int& mini(int& x, int y) { return x=min(x, y); }
void build(int l, int r, int s=0, int e=N-1, int t=0) {
	auto &D=T[t];
	reset(D);
	if(s==e) {
		rep(i, M) D[i][i]=0;
		rep(y, K) {
			int i=s*K+y;
			rep(j, M) {
				rep(k, M-1) mini(D[j][k+1], D[j][k]+X[i][k]);
				rep(k, M-1) mini(D[j][M-k-2], D[j][M-k-1]+X[i][M-k-2]);
				rep(k, M) D[j][k]+=Y[i][k];
			}
		}
		return;
	}

	int m=s+e>>1;
	if(l<=m) build(l, r, s, m, L[t]=L[t] ?: id++);
	if(r>m) build(l, r, m+1, e, R[t]=R[t] ?: id++);

	auto &A=T[L[t]], &B=T[R[t]];
	rep(a, M) rep(i, M) rep(b, M)
		D[a][b]=min(D[a][b], A[a][i]+B[i][b]);
}
void init(int P, int Q, int H[5000][200], int V[5000][200]) {
	N=(P+K-1)/K, M=Q;
	reset(X);
	rep(i, P) rep(j, Q-1) X[i][j]=H[i][j];
	rep(i, P-1) rep(j, Q) Y[i][j]=V[i][j];
	build(0, N-1);
}
void changeH(int p, int q, int w) { X[p][q]=w; build(p/K, p/K); }
void changeV(int p, int q, int w) { Y[p][q]=w; build(p/K, p/K); }
int escape(int a, int b) { return T[0][a][b]; }

Compilation message

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^~~
wombats.cpp: In function 'void build(int, int, int, int, int)':
wombats.cpp:29:9: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int m=s+e>>1;
        ~^~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 90360 KB Output is correct
2 Correct 82 ms 90232 KB Output is correct
3 Correct 162 ms 91860 KB Output is correct
4 Correct 96 ms 90248 KB Output is correct
5 Correct 84 ms 90360 KB Output is correct
6 Correct 7 ms 4480 KB Output is correct
7 Correct 7 ms 4352 KB Output is correct
8 Correct 7 ms 4352 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4480 KB Output is correct
2 Correct 7 ms 4352 KB Output is correct
3 Correct 6 ms 4352 KB Output is correct
4 Correct 7 ms 4480 KB Output is correct
5 Correct 7 ms 4480 KB Output is correct
6 Correct 7 ms 4480 KB Output is correct
7 Correct 7 ms 4480 KB Output is correct
8 Correct 7 ms 4480 KB Output is correct
9 Correct 7 ms 4480 KB Output is correct
10 Correct 7 ms 4480 KB Output is correct
11 Correct 93 ms 6904 KB Output is correct
12 Correct 7 ms 4480 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 131 ms 5888 KB Output is correct
2 Correct 151 ms 6136 KB Output is correct
3 Correct 147 ms 6016 KB Output is correct
4 Correct 135 ms 6036 KB Output is correct
5 Correct 142 ms 6016 KB Output is correct
6 Correct 7 ms 4352 KB Output is correct
7 Correct 7 ms 4352 KB Output is correct
8 Correct 6 ms 4352 KB Output is correct
9 Correct 716 ms 6112 KB Output is correct
10 Correct 8 ms 4480 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 83 ms 94072 KB Output is correct
2 Correct 85 ms 94072 KB Output is correct
3 Correct 101 ms 94136 KB Output is correct
4 Correct 125 ms 94840 KB Output is correct

Subtask #5
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 5888 KB Output is correct
2 Correct 145 ms 6016 KB Output is correct
3 Correct 141 ms 6136 KB Output is correct
4 Correct 134 ms 6016 KB Output is correct
5 Correct 144 ms 6264 KB Output is correct
6 Correct 81 ms 94204 KB Output is correct
7 Correct 84 ms 94200 KB Output is correct
8 Correct 99 ms 94200 KB Output is correct
9 Correct 127 ms 95608 KB Output is correct
10 Correct 79 ms 90232 KB Output is correct
11 Correct 80 ms 90232 KB Output is correct
12 Correct 164 ms 93048 KB Output is correct
13 Correct 94 ms 90280 KB Output is correct
14 Correct 81 ms 90232 KB Output is correct
15 Correct 7 ms 4480 KB Output is correct
16 Correct 6 ms 4352 KB Output is correct
17 Correct 7 ms 4352 KB Output is correct
18 Correct 7 ms 4480 KB Output is correct
19 Correct 7 ms 4480 KB Output is correct
20 Correct 7 ms 4480 KB Output is correct
21 Correct 7 ms 4480 KB Output is correct
22 Correct 7 ms 4480 KB Output is correct
23 Correct 7 ms 4480 KB Output is correct
24 Correct 7 ms 4480 KB Output is correct
25 Correct 92 ms 6904 KB Output is correct
26 Correct 7 ms 4480 KB Output is correct
27 Correct 693 ms 6136 KB Output is correct
28 Correct 1717 ms 98432 KB Output is correct
29 Correct 1632 ms 81912 KB Output is correct
30 Correct 1650 ms 82040 KB Output is correct
31 Correct 1759 ms 100088 KB Output is correct
32 Correct 7 ms 4480 KB Output is correct

Subtask #6
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 129 ms 5888 KB Output is correct
2 Correct 147 ms 6016 KB Output is correct
3 Correct 142 ms 6044 KB Output is correct
4 Correct 140 ms 6136 KB Output is correct
5 Correct 148 ms 6016 KB Output is correct
6 Correct 82 ms 94200 KB Output is correct
7 Correct 81 ms 94200 KB Output is correct
8 Correct 98 ms 94200 KB Output is correct
9 Correct 127 ms 95608 KB Output is correct
10 Correct 78 ms 90232 KB Output is correct
11 Correct 78 ms 90240 KB Output is correct
12 Correct 162 ms 93048 KB Output is correct
13 Correct 95 ms 90232 KB Output is correct
14 Correct 79 ms 90232 KB Output is correct
15 Correct 1311 ms 103928 KB Output is correct
16 Correct 7737 ms 105308 KB Output is correct
17 Correct 7 ms 4352 KB Output is correct
18 Correct 6 ms 4352 KB Output is correct
19 Correct 6 ms 4352 KB Output is correct
20 Correct 7 ms 4436 KB Output is correct
21 Correct 7 ms 4480 KB Output is correct
22 Correct 7 ms 4480 KB Output is correct
23 Correct 7 ms 4480 KB Output is correct
24 Correct 7 ms 4480 KB Output is correct
25 Correct 7 ms 4480 KB Output is correct
26 Correct 7 ms 4480 KB Output is correct
27 Correct 92 ms 6904 KB Output is correct
28 Correct 7 ms 4480 KB Output is correct
29 Correct 700 ms 6136 KB Output is correct
30 Correct 1717 ms 98552 KB Output is correct
31 Correct 7576 ms 102676 KB Output is correct
32 Correct 7583 ms 102704 KB Output is correct
33 Correct 1655 ms 82168 KB Output is correct
34 Correct 7279 ms 85948 KB Output is correct
35 Correct 1620 ms 81784 KB Output is correct
36 Correct 7249 ms 86084 KB Output is correct
37 Correct 1807 ms 100280 KB Output is correct
38 Correct 7589 ms 103316 KB Output is correct
39 Correct 6 ms 4480 KB Output is correct
40 Correct 7273 ms 86240 KB Output is correct