Submission #897477

#	Time	Username	Problem	Language	Result	Execution time	Memory
897477		Muhammad_Aneeq	Wombats (IOI13_wombats)	C++17	37 / 100	20084 ms	20060 KiB

wombats

#include <queue>
#include "wombats.h"
#include <algorithm>
using namespace std;
int costy[5000][200],costx[5000][200];
int r,c;
void init(int R, int C, int H[5000][200], int V[5000][200])
{
	r=R;
	c=C;
	for (int i=0;i<C-1;i++)
		for (int j=0;j<R;j++)
			costx[j][i]=H[j][i];
	for (int i=0;i<R-1;i++)
		for (int j=0;j<C;j++)
			costy[i][j]=V[i][j];
}
int dist[5000][200]={};
bool check(int i,int j)
{
	if (i>=0&&i<r&&j>=0&&j<c)
		return 1;
	return 0;
}
void bfs(int i,int j)
{
	queue<pair<int,int>>Q;
	Q.push({i,j});
	dist[i][j]=0;
	while (Q.size())
	{
		int x,y;
		tie(x,y)=Q.front();
		Q.pop();
		if (check(x+1,y))
			if (dist[x+1][y]>dist[x][y]+costy[x][y])
			{
				dist[x+1][y]=dist[x][y]+costy[x][y];
				Q.push({x+1,y});
			}
		if (check(x,y+1))
			if (dist[x][y+1]>dist[x][y]+costx[x][y])
				{
					dist[x][y+1]=dist[x][y]+costx[x][y];
					Q.push({x,y+1});
				}
		if (check(x,y-1))
			if (dist[x][y-1]>dist[x][y]+costx[x][y-1])
				{
					dist[x][y-1]=dist[x][y]+costx[x][y-1];
					Q.push({x,y-1});
				}
	}
}
void changeH(int P, int Q, int W)
{
	costx[P][Q]=W;
}
void changeV(int P, int Q, int W)
{
	costy[P][Q]=W;
}
int escape(int V1, int V2)
{
	for (int i=0;i<r;i++)
		for (int j=0;j<c;j++)
			dist[i][j]=1e9+10;
	bfs(0,V1);
	return dist[r-1][V2];
}

Compilation message (stderr)

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 / 9
• Subtask 2: 12 / 12
• Subtask 3: 16 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 24