Submission #764166

# Submission time Handle Problem Language Result Execution time Memory
764166 2023-06-23T08:10:39 Z NothingXD Wombats (IOI13_wombats) C++17
76 / 100
20000 ms 36592 KB
#include "wombats.h"
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef complex<ld> point;

void debug_out(){cerr << endl;}

template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T){
	cout << H << ' ';
	debug_out(T...);
}

#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", debug_out(__VA_ARGS__)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)

const int maxn = 5e3 + 10;
const int maxm = 200 + 10;
const int sq = 162;
const int inf = 1e9;
int n, m, h[maxn][maxm], v[maxn][maxm], dp[maxn][maxm], val[50][maxm][maxm], seg[210][maxm][maxm];

void change(int v, int l, int r, int idx){
	if (l + 1 == r){
		for (int i = 0; i < m; i++){
			for (int j = 0; j < m; j++){
				seg[v][i][j] = val[l][i][j];
			}
		}
		return;
	}
	int mid = (l + r) >> 1;
	if (idx < mid){
		change(v << 1, l, mid, idx);
	}
	else{
		change(v << 1 | 1, mid, r, idx);
	}
	int ptr = mid * sq - 1;
	for (int i = 0; i < m; i++){
		for (int j = 0; j < m; j++){
			seg[v][i][j] = inf;
		}
		for (int k = 0; k < m; k++){
			for (int j = 0; j < m; j++){
				seg[v][i][j] = min(seg[v][i][j], seg[v << 1][i][k] + seg[v << 1 | 1][k][j] + ::v[ptr][k]);
			}
		}
	}
}

inline void update(int r){
	for (int i = 1; i < m; i++){
		dp[r][i] = min(dp[r][i], dp[r][i-1] + h[r][i-1]);
	}
	for (int i = m-2; ~i; i--){
		dp[r][i] = min(dp[r][i], dp[r][i+1] + h[r][i]);
	}
}

inline void build(int blc){
	for (int i = 0; i < m; i++){
		for (int j = 0; j < m; j++){
			if (i == j) dp[blc*sq][j] = 0;
			else dp[blc*sq][j] = inf;
		}
		update(blc*sq);
		int idx = min((blc+1)*sq, n) - 1;
		for (int j = blc*sq+1; j <= idx; j++){
			for (int k = 0; k < m; k++){
				dp[j][k] = dp[j-1][k] + v[j-1][k];
			}
			update(j);
		}
		for (int j = 0; j < m; j++){
			val[blc][i][j] = dp[idx][j];
		}
	}
	change(1, 0, (n-1)/sq+1, blc);
}

void init(int R, int C, int H[5000][200], int V[5000][200]) {
    n = R, m = C;
	for (int i = 0; i < n; i++){
		for (int j = 0; j < m-1; j++){
			h[i][j] = H[i][j];
		}
	}
	for (int i = 0; i < n-1; i++){
		for (int j = 0; j < m; j++){
			v[i][j] = V[i][j];
		}
	}
	for (int i = 0; i <= (n-1)/sq; i++){
		build(i);
	}
}

void changeH(int P, int Q, int W) {
    h[P][Q] = W;
	build(P/sq);
}

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

int escape(int V1, int V2) {
    return seg[1][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;
      |      ^~~
# Verdict Execution time Memory Grader output
1 Correct 6 ms 12756 KB Output is correct
2 Correct 6 ms 12848 KB Output is correct
3 Correct 60 ms 14376 KB Output is correct
4 Correct 6 ms 12756 KB Output is correct
5 Correct 8 ms 12852 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 52 ms 1452 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 720 ms 896 KB Output is correct
2 Correct 709 ms 888 KB Output is correct
3 Correct 730 ms 900 KB Output is correct
4 Correct 728 ms 896 KB Output is correct
5 Correct 710 ms 812 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 3613 ms 900 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 10 ms 20820 KB Output is correct
2 Correct 12 ms 20948 KB Output is correct
3 Correct 11 ms 20912 KB Output is correct
4 Correct 38 ms 21644 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 723 ms 888 KB Output is correct
2 Correct 707 ms 888 KB Output is correct
3 Correct 729 ms 896 KB Output is correct
4 Correct 724 ms 900 KB Output is correct
5 Correct 714 ms 900 KB Output is correct
6 Correct 11 ms 20948 KB Output is correct
7 Correct 12 ms 20948 KB Output is correct
8 Correct 13 ms 20876 KB Output is correct
9 Correct 37 ms 21652 KB Output is correct
10 Correct 6 ms 12756 KB Output is correct
11 Correct 6 ms 12756 KB Output is correct
12 Correct 57 ms 14396 KB Output is correct
13 Correct 6 ms 12756 KB Output is correct
14 Correct 6 ms 12756 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 52 ms 1520 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 3601 ms 900 KB Output is correct
28 Correct 8761 ms 28636 KB Output is correct
29 Correct 8519 ms 23880 KB Output is correct
30 Correct 8497 ms 23724 KB Output is correct
31 Correct 8755 ms 29680 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 719 ms 896 KB Output is correct
2 Correct 707 ms 900 KB Output is correct
3 Correct 730 ms 900 KB Output is correct
4 Correct 724 ms 904 KB Output is correct
5 Correct 709 ms 852 KB Output is correct
6 Correct 11 ms 20948 KB Output is correct
7 Correct 13 ms 20900 KB Output is correct
8 Correct 11 ms 20948 KB Output is correct
9 Correct 38 ms 21708 KB Output is correct
10 Correct 6 ms 12756 KB Output is correct
11 Correct 6 ms 12852 KB Output is correct
12 Correct 59 ms 14400 KB Output is correct
13 Correct 6 ms 12756 KB Output is correct
14 Correct 6 ms 12756 KB Output is correct
15 Correct 2994 ms 35840 KB Output is correct
16 Execution timed out 20023 ms 36592 KB Time limit exceeded
17 Halted 0 ms 0 KB -