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Submission #358617

# Submission time Handle Problem Language Result Execution time Memory
358617 2021-01-26T02:03:15 Z amunduzbaev Wombats (IOI13_wombats) C++14
9 / 100
 225 ms 72172 KB 
#include "wombats.h"

#ifndef EVAL
#include "grader.cpp"
#endif 

#include "bits/stdc++.h"
using namespace std;

#define pb push_back
#define ff first
#define ss second

const int N = 5e3+5;

vector<pair<int, int>> edges[N*200];
int n, m;
int res[2][2];

int h[N][N], v[N][N];

#define ll long long

ll sum = 0;
int dp[2][N];
const ll inf = 1e9+7;

void recalc(){
	for(int i=0;i<n;i++) dp[0][i] = dp[1][i] = inf;
	dp[0][0] = 0;
	dp[1][0] = h[0][0];
	for(int i=1;i<n;i++){
		dp[0][i] = dp[0][i-1] + v[i][0]; //, dp[1][i] + h[i][0]);
		dp[1][i] = dp[1][i-1] + v[i][1]; //, dp[0][i] + h[i][0]);
		dp[0][i] = min(dp[0][i], dp[1][i] + h[i][0]);
		dp[1][i] = min(dp[1][i], dp[0][i] + h[i][0]);
	}
	res[0][0] = dp[0][n-1], res[0][1] = dp[1][n-1];
	
	for(int i=0;i<n;i++) dp[0][i] = dp[1][i] = inf;
	dp[1][0] = 0;
	dp[0][0] = h[0][0];
	for(int i=1;i<n;i++){
		dp[0][i] = dp[0][i-1] + v[i][0]; //, dp[1][i] + h[i][0]);
		dp[1][i] = dp[1][i-1] + v[i][1]; //, dp[0][i] + h[i][0]);
		dp[0][i] = min(dp[0][i], dp[1][i] + h[i][0]);
		dp[1][i] = min(dp[1][i], dp[0][i] + h[i][0]);
	}
	res[1][0] = dp[0][n-1], res[1][1] = dp[1][n-1];
	
}

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


void changeH(int p, int q, int w) {
	sum -= h[p][q];
	h[p][q] = w;
	sum += w;
	recalc();
}

void changeV(int p, int q, int w) {
    sum -= v[p][q];
    v[p][q] = w;
    sum += w;
    recalc();
}

const ll mod = 1e18+7;

int escape(int V1, int V2) {
	if(m == 1) return sum;
	return res[V1][V2];
}

/*

3 4
0 2 5
7 1 1
0 4 0
0 0 0 2
0 3 4 7
5
3 2 1
3 3 3
2 0 0 5
1 1 1 6
3 2 1

*/

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 144 ms 48236 KB Output is correct
2 Correct 146 ms 48236 KB Output is correct
3 Correct 225 ms 50924 KB Output is correct
4 Correct 146 ms 48236 KB Output is correct
5 Correct 143 ms 48236 KB Output is correct
6 Correct 16 ms 23788 KB Output is correct
7 Correct 16 ms 23788 KB Output is correct
8 Correct 16 ms 23788 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23788 KB Output is correct
2 Correct 16 ms 23788 KB Output is correct
3 Correct 16 ms 23788 KB Output is correct
4 Incorrect 17 ms 24044 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 25196 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 174 ms 72172 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 25068 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 24.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 24940 KB Output isn't correct
2 Halted 0 ms 0 KB -