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Submission #619636

# Submission time Handle Problem Language Result Execution time Memory
619636 2022-08-02T13:54:20 Z cfalas Wombats (IOI13_wombats) C++17
39 / 100
 13048 ms 22140 KB 
#include "wombats.h"
#include<bits/stdc++.h>
using namespace std;

int h[5000][200];
int v[5000][200];
int r, c;
int dp[21][5001][21];
#define MOD 1000000007
int ph[5000][200];

int hdist(int y, int x1, int x2){
	return abs(ph[y][x2]-ph[y][x1]);
}

void solve(int start){
	for(int i=0;i<r;i++){
		for(int j=0;j<c;j++){
			ph[i][j+1] = ph[i][j] + h[i][j];
		}
	}
	for(int i=0;i<c;i++) dp[start][0][i] = hdist(0, start, i);
	//for(int i=0;i<c;i++) cout<<dp[start][0][i]<<" ";
	//cout<<endl;
	for(int layer=1;layer<r;layer++){
		for(int prev=0;prev<c;prev++){
			dp[start][layer][prev] = MOD;
			for(int trans=0;trans<c;trans++){
				dp[start][layer][prev] = min(dp[start][layer][prev], dp[start][layer-1][trans] + v[layer-1][trans] + hdist(layer, trans, prev));
			}
			//cout<<dp[start][layer][prev]<<" ";
		}
		//cout<<endl;
	}
}

void init(int R, int C, int H[5000][200], int V[5000][200]) {
	r = R;
	c = C;
	for(int i=0;i<r;i++){
		for(int j=0;j<c;j++){
			h[i][j] = H[i][j];
			v[i][j] = V[i][j];
		}
	}
}

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

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

int escape(int V1, int V2) {
	solve(V1);
	return dp[V1][r-1][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 45 ms 16384 KB Output is correct
2 Correct 45 ms 16504 KB Output is correct
3 Correct 13048 ms 19160 KB Output is correct
4 Correct 37 ms 16340 KB Output is correct
5 Correct 30 ms 16376 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 6 ms 440 KB Output is correct
5 Correct 5 ms 468 KB Output is correct
6 Correct 5 ms 468 KB Output is correct
7 Correct 6 ms 440 KB Output is correct
8 Correct 7 ms 468 KB Output is correct
9 Correct 7 ms 468 KB Output is correct
10 Correct 5 ms 468 KB Output is correct
11 Correct 2526 ms 2888 KB Output is correct
12 Correct 5 ms 468 KB Output is correct

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Runtime error 8 ms 1368 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 126 ms 20756 KB Output is correct
2 Correct 83 ms 20748 KB Output is correct
3 Correct 123 ms 20764 KB Output is correct
4 Correct 9724 ms 22140 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 10 ms 1388 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 1336 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -