Submission #764150

# Submission time Handle Problem Language Result Execution time Memory
764150 2023-06-23T07:50:00 Z NothingXD Wombats (IOI13_wombats) C++17
76 / 100
20000 ms 46428 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 = 100;
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 13012 KB Output is correct
2 Correct 6 ms 13048 KB Output is correct
3 Correct 56 ms 14580 KB Output is correct
4 Correct 6 ms 13012 KB Output is correct
5 Correct 6 ms 13012 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 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 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 53 ms 1332 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 740 ms 884 KB Output is correct
2 Correct 730 ms 908 KB Output is correct
3 Correct 746 ms 900 KB Output is correct
4 Correct 745 ms 900 KB Output is correct
5 Correct 728 ms 900 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 3696 ms 896 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 10 ms 21204 KB Output is correct
2 Correct 10 ms 21204 KB Output is correct
3 Correct 11 ms 21240 KB Output is correct
4 Correct 40 ms 21948 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 737 ms 896 KB Output is correct
2 Correct 722 ms 884 KB Output is correct
3 Correct 743 ms 852 KB Output is correct
4 Correct 744 ms 900 KB Output is correct
5 Correct 729 ms 896 KB Output is correct
6 Correct 11 ms 21252 KB Output is correct
7 Correct 10 ms 21204 KB Output is correct
8 Correct 11 ms 21204 KB Output is correct
9 Correct 38 ms 21988 KB Output is correct
10 Correct 6 ms 13060 KB Output is correct
11 Correct 6 ms 13060 KB Output is correct
12 Correct 61 ms 14756 KB Output is correct
13 Correct 6 ms 13000 KB Output is correct
14 Correct 6 ms 13012 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 212 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 340 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 55 ms 1364 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 3690 ms 916 KB Output is correct
28 Correct 7171 ms 33628 KB Output is correct
29 Correct 6881 ms 27852 KB Output is correct
30 Correct 6973 ms 27804 KB Output is correct
31 Correct 7182 ms 34692 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 739 ms 888 KB Output is correct
2 Correct 730 ms 892 KB Output is correct
3 Correct 743 ms 900 KB Output is correct
4 Correct 745 ms 852 KB Output is correct
5 Correct 728 ms 896 KB Output is correct
6 Correct 11 ms 21204 KB Output is correct
7 Correct 14 ms 21232 KB Output is correct
8 Correct 11 ms 21212 KB Output is correct
9 Correct 37 ms 21992 KB Output is correct
10 Correct 6 ms 13012 KB Output is correct
11 Correct 6 ms 13012 KB Output is correct
12 Correct 59 ms 14668 KB Output is correct
13 Correct 6 ms 13012 KB Output is correct
14 Correct 6 ms 13012 KB Output is correct
15 Correct 3976 ms 45556 KB Output is correct
16 Execution timed out 20060 ms 46428 KB Time limit exceeded
17 Halted 0 ms 0 KB -