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Submission #383550

# Submission time Handle Problem Language Result Execution time Memory
383550 2021-03-30T09:25:15 Z alireza_kaviani Wombats (IOI13_wombats) C++11
55 / 100
 4552 ms 29804 KB 
#include <bits/stdc++.h>
#include "wombats.h"
using namespace std;

const int MAXN = 5010;
const int MAXC = 300;
const int MOD = 1e9 + 7;

int n , m , h[MAXN][MAXC] , v[MAXN][MAXC] , dp[MAXC][MAXC];

void solve(){
	if(n * m * m >= int(2e6))	return;
	for(int i = 0 ; i < m ; i++){
		fill(dp[i] , dp[i] + MAXC , MOD);
		dp[i][i] = 0;
		for(int j = 0 ; j < n ; j++){
			if(j)	for(int k = 0 ; k < m ; k++)	dp[i][k] += v[j - 1][k];
			for(int k = 1 ; k < m ; k++){
				dp[i][k] = min(dp[i][k] , dp[i][k - 1] + h[j][k - 1]);
			}
			for(int k = m - 2 ; k >= 0 ; k--){
				dp[i][k] = min(dp[i][k] , dp[i][k + 1] + h[j][k]);
			}
		}
	}
}

void init(int R, int C, int H[5000][200], int V[5000][200]) {
    /* ... */
	int sum = 0;
	n = R; m = C;
	for(int i = 0 ; i < 5000 ; i++){
		for(int j = 0 ; j < 200 ; j++){
			h[i][j] = H[i][j];
			v[i][j] = V[i][j];
		}
	}
	solve();
}

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

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

int escape(int V1, int V2) {
    return dp[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;
      |      ^~~
wombats.cpp: In function 'void init(int, int, int (*)[200], int (*)[200])':
wombats.cpp:30:6: warning: unused variable 'sum' [-Wunused-variable]
   30 |  int sum = 0;
      |      ^~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 15980 KB Output is correct
2 Correct 25 ms 16108 KB Output is correct
3 Correct 129 ms 17644 KB Output is correct
4 Correct 24 ms 15980 KB Output is correct
5 Correct 25 ms 15980 KB Output is correct
6 Correct 9 ms 12140 KB Output is correct
7 Correct 10 ms 12140 KB Output is correct
8 Correct 9 ms 12140 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 12140 KB Output is correct
2 Correct 9 ms 12140 KB Output is correct
3 Correct 9 ms 12140 KB Output is correct
4 Correct 10 ms 12140 KB Output is correct
5 Correct 10 ms 12140 KB Output is correct
6 Correct 10 ms 12140 KB Output is correct
7 Correct 10 ms 12140 KB Output is correct
8 Correct 10 ms 12140 KB Output is correct
9 Correct 10 ms 12140 KB Output is correct
10 Correct 10 ms 12140 KB Output is correct
11 Correct 91 ms 14572 KB Output is correct
12 Correct 10 ms 12140 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 910 ms 12524 KB Output is correct
2 Correct 894 ms 12524 KB Output is correct
3 Correct 918 ms 12524 KB Output is correct
4 Correct 919 ms 12524 KB Output is correct
5 Correct 896 ms 12504 KB Output is correct
6 Correct 9 ms 12140 KB Output is correct
7 Correct 9 ms 12140 KB Output is correct
8 Correct 11 ms 12140 KB Output is correct
9 Correct 4466 ms 12500 KB Output is correct
10 Correct 9 ms 12140 KB Output is correct

Subtask #4
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 89 ms 19948 KB Output is correct
2 Correct 87 ms 19948 KB Output is correct
3 Correct 88 ms 19948 KB Output is correct
4 Correct 132 ms 20716 KB Output is correct

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 910 ms 12548 KB Output is correct
2 Correct 887 ms 12396 KB Output is correct
3 Correct 915 ms 12524 KB Output is correct
4 Correct 915 ms 12524 KB Output is correct
5 Correct 936 ms 12524 KB Output is correct
6 Correct 92 ms 20076 KB Output is correct
7 Correct 93 ms 19948 KB Output is correct
8 Correct 90 ms 20204 KB Output is correct
9 Correct 129 ms 21356 KB Output is correct
10 Correct 25 ms 15980 KB Output is correct
11 Correct 25 ms 15980 KB Output is correct
12 Correct 112 ms 18932 KB Output is correct
13 Correct 25 ms 15980 KB Output is correct
14 Correct 25 ms 15980 KB Output is correct
15 Correct 9 ms 12140 KB Output is correct
16 Correct 9 ms 12140 KB Output is correct
17 Correct 11 ms 12140 KB Output is correct
18 Correct 11 ms 12164 KB Output is correct
19 Correct 10 ms 12140 KB Output is correct
20 Correct 10 ms 12140 KB Output is correct
21 Correct 11 ms 12140 KB Output is correct
22 Correct 10 ms 12140 KB Output is correct
23 Correct 10 ms 12140 KB Output is correct
24 Correct 10 ms 12140 KB Output is correct
25 Correct 95 ms 14632 KB Output is correct
26 Correct 10 ms 12140 KB Output is correct
27 Correct 4552 ms 12524 KB Output is correct
28 Incorrect 139 ms 23916 KB Output isn't correct
29 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 915 ms 12424 KB Output is correct
2 Correct 896 ms 12492 KB Output is correct
3 Correct 930 ms 12524 KB Output is correct
4 Correct 921 ms 12504 KB Output is correct
5 Correct 898 ms 12524 KB Output is correct
6 Correct 90 ms 20036 KB Output is correct
7 Correct 89 ms 19948 KB Output is correct
8 Correct 88 ms 20076 KB Output is correct
9 Correct 132 ms 21356 KB Output is correct
10 Correct 25 ms 15980 KB Output is correct
11 Correct 25 ms 15980 KB Output is correct
12 Correct 103 ms 18796 KB Output is correct
13 Correct 25 ms 15980 KB Output is correct
14 Correct 25 ms 15980 KB Output is correct
15 Incorrect 233 ms 29804 KB Output isn't correct
16 Halted 0 ms 0 KB -