oj.uz

Submission #5324

# Submission time Handle Problem Language Result Execution time Memory
5324 2014-03-23T09:03:12 Z baneling100 토마토 (KOI13_tomato) C++
16 / 16
 128 ms 9200 KB 
#include <stdio.h>
#include <queue>

using namespace std;

queue <int> q;
int m, n, a[1001][1001], d[1001][1001], ans;
int dy[4]={0,1,0,-1}, dx[4]={1,0,-1,0};

void input(void)
{
    int i, j;

    scanf("%d %d",&m,&n);
    for(i=1 ; i<=n ; i++)
        for(j=1 ; j<=m ; j++)
        {
            scanf("%d",&a[i][j]);
            if(a[i][j]==1)
            {
                q.push(i);
                q.push(j);
            }
        }
}

void process(void)
{
    int i, j, y, x, ty, tx;

    while(!q.empty())
    {
        y=q.front();
        q.pop();
        x=q.front();
        q.pop();
        for(i=0 ; i<=3 ; i++)
        {
            ty=y+dy[i];
            tx=x+dx[i];
            if(ty>=1 && ty<=n && tx>=1 && tx<=m)
                if(a[ty][tx]==0)
                {
                    a[ty][tx]=1;
                    d[ty][tx]=d[y][x]+1;
                    q.push(ty);
                    q.push(tx);
                }
        }
    }
    for(i=1 ; i<=n ; i++)
        for(j=1 ; j<=m ; j++)
        {
            if(a[i][j]==0)
            {
                ans=-1;
                return;
            }
            if(ans<d[i][j])
                ans=d[i][j];
        }
}

void output(void)
{
    printf("%d",ans);
}

int main(void)
{
    input();
    process();
    output();

    return 0;
}

Subtask #1
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9068 KB Output is correct
2 Correct 0 ms 9068 KB Output is correct
3 Correct 0 ms 9068 KB Output is correct
4 Correct 0 ms 9068 KB Output is correct

Subtask #2
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9068 KB Output is correct
2 Correct 0 ms 9068 KB Output is correct
3 Correct 0 ms 9068 KB Output is correct
4 Correct 0 ms 9068 KB Output is correct

Subtask #3
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9068 KB Output is correct
2 Correct 0 ms 9068 KB Output is correct
3 Correct 0 ms 9068 KB Output is correct
4 Correct 0 ms 9068 KB Output is correct

Subtask #4
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9068 KB Output is correct
2 Correct 4 ms 9068 KB Output is correct
3 Correct 0 ms 9068 KB Output is correct
4 Correct 0 ms 9068 KB Output is correct

Subtask #5
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 4 ms 9068 KB Output is correct
2 Correct 0 ms 9068 KB Output is correct
3 Correct 4 ms 9068 KB Output is correct
4 Correct 4 ms 9068 KB Output is correct

Subtask #6
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 0 ms 9068 KB Output is correct
2 Correct 0 ms 9068 KB Output is correct
3 Correct 0 ms 9068 KB Output is correct
4 Correct 0 ms 9068 KB Output is correct

Subtask #7
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 40 ms 9068 KB Output is correct
2 Correct 24 ms 9068 KB Output is correct
3 Correct 16 ms 9068 KB Output is correct
4 Correct 12 ms 9068 KB Output is correct

Subtask #8
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 56 ms 9068 KB Output is correct
2 Correct 48 ms 9068 KB Output is correct
3 Correct 8 ms 9068 KB Output is correct
4 Correct 8 ms 9068 KB Output is correct

Subtask #9
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 32 ms 9068 KB Output is correct
2 Correct 88 ms 9068 KB Output is correct
3 Correct 4 ms 9068 KB Output is correct
4 Correct 60 ms 9068 KB Output is correct

Subtask #10
1.6 / 1.6

# Verdict Execution time Memory Grader output
1 Correct 112 ms 9068 KB Output is correct
2 Correct 128 ms 9200 KB Output is correct
3 Correct 120 ms 9068 KB Output is correct
4 Correct 88 ms 9068 KB Output is correct