oj.uz

Submission #331774

# Submission time Handle Problem Language Result Execution time Memory
331774 2020-11-30T03:11:39 Z daniel920712 Dango Maker (JOI18_dango_maker) C++14
13 / 100
 35 ms 47468 KB 
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <algorithm>
#include <vector>
#include <queue>
#include <map>
 
using namespace std;
char all[3005][3005];
vector < int > Next[2][1000005];
bool have[2][1000005]={0};
bool is[2][1000005]={0};
int ans=0,a,b;
void F(int x,int y)
{
    if(have[x][y]) return ;
    have[x][y]=1;
    if(x==0) a++;
    if(x==1) b++;
 
    for(auto i:Next[x][y]) F(1-x,i);
 
}
int main()
{
    int N,M,i,j;
    scanf("%d %d",&N,&M);
    for(i=0;i<N;i++) scanf("%s",all[i]);
    for(i=0;i<N;i++) for(j=0;j<M-2;j++) if(all[i][j]=='R'&&all[i][j+1]=='G'&&all[i][j+2]=='W') is[0][i*M+j]=1;
    for(i=0;i<N-2;i++) for(j=0;j<M;j++) if(all[i][j]=='R'&&all[i+1][j]=='G'&&all[i+2][j]=='W') is[1][i*M+j]=1;
 
    for(i=0;i<N;i++)
    {
        for(j=0;j<M;j++)
        {
            if(is[0][i*M+j]&&is[1][i*M+j])
            {
                Next[0][i*M+j].push_back(i*M+j);
                Next[1][i*M+j].push_back(i*M+j);
            }
            if(is[0][i*M+j]&&i>=1&&j+1<M&&is[1][(i-1)*M+j+1])
            {
                Next[0][i*M+j].push_back((i-1)*M+j+1);
                Next[1][(i-1)*M+j+1].push_back(i*M+j);
            }
            if(is[0][i*M+j]&&i>=2&&j+2<M&&is[1][(i-2)*M+j+2])
            {
                Next[0][i*M+j].push_back((i-2)*M+j+2);
                Next[1][(i-2)*M+j+2].push_back(i*M+j);
            }
        }
    }
    for(i=0;i<N*M;i++)
    {
        if(is[0][i]&&!have[0][i])
        {
            a=b=0;
            F(0,i);
            ans+=max(a,b);
        }
 
        if(is[1][i]&&!have[1][i])
        {
            a=b=0;
            F(1,i);
            ans+=max(a,b);
        }
    }
    printf("%d\n",ans);
    //printf("aa\n");
    return 0;
}

Compilation message

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:28:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   28 |     scanf("%d %d",&N,&M);
      |     ~~~~~^~~~~~~~~~~~~~~
dango_maker.cpp:29:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   29 |     for(i=0;i<N;i++) scanf("%s",all[i]);
      |                      ~~~~~^~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 47340 KB Output is correct
2 Correct 29 ms 47340 KB Output is correct
3 Correct 28 ms 47340 KB Output is correct
4 Correct 29 ms 47340 KB Output is correct
5 Correct 28 ms 47340 KB Output is correct
6 Correct 28 ms 47388 KB Output is correct
7 Correct 28 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 30 ms 47468 KB Output is correct
10 Correct 28 ms 47340 KB Output is correct
11 Correct 28 ms 47360 KB Output is correct
12 Correct 28 ms 47340 KB Output is correct
13 Correct 28 ms 47340 KB Output is correct
14 Correct 29 ms 47340 KB Output is correct
15 Correct 28 ms 47340 KB Output is correct
16 Correct 32 ms 47340 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 47340 KB Output is correct
2 Correct 29 ms 47340 KB Output is correct
3 Correct 28 ms 47340 KB Output is correct
4 Correct 29 ms 47340 KB Output is correct
5 Correct 28 ms 47340 KB Output is correct
6 Correct 28 ms 47388 KB Output is correct
7 Correct 28 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 30 ms 47468 KB Output is correct
10 Correct 28 ms 47340 KB Output is correct
11 Correct 28 ms 47360 KB Output is correct
12 Correct 28 ms 47340 KB Output is correct
13 Correct 28 ms 47340 KB Output is correct
14 Correct 29 ms 47340 KB Output is correct
15 Correct 28 ms 47340 KB Output is correct
16 Correct 32 ms 47340 KB Output is correct
17 Correct 28 ms 47340 KB Output is correct
18 Correct 28 ms 47340 KB Output is correct
19 Correct 35 ms 47340 KB Output is correct
20 Correct 28 ms 47340 KB Output is correct
21 Correct 28 ms 47340 KB Output is correct
22 Correct 28 ms 47340 KB Output is correct
23 Correct 33 ms 47272 KB Output is correct
24 Correct 30 ms 47340 KB Output is correct
25 Correct 28 ms 47340 KB Output is correct
26 Correct 28 ms 47288 KB Output is correct
27 Correct 27 ms 47340 KB Output is correct
28 Correct 28 ms 47340 KB Output is correct
29 Correct 28 ms 47340 KB Output is correct
30 Correct 28 ms 47320 KB Output is correct
31 Correct 28 ms 47340 KB Output is correct
32 Correct 28 ms 47360 KB Output is correct
33 Correct 28 ms 47340 KB Output is correct
34 Incorrect 28 ms 47340 KB Output isn't correct
35 Halted 0 ms 0 KB -

Subtask #3
0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 47340 KB Output is correct
2 Correct 29 ms 47340 KB Output is correct
3 Correct 28 ms 47340 KB Output is correct
4 Correct 29 ms 47340 KB Output is correct
5 Correct 28 ms 47340 KB Output is correct
6 Correct 28 ms 47388 KB Output is correct
7 Correct 28 ms 47340 KB Output is correct
8 Correct 32 ms 47340 KB Output is correct
9 Correct 30 ms 47468 KB Output is correct
10 Correct 28 ms 47340 KB Output is correct
11 Correct 28 ms 47360 KB Output is correct
12 Correct 28 ms 47340 KB Output is correct
13 Correct 28 ms 47340 KB Output is correct
14 Correct 29 ms 47340 KB Output is correct
15 Correct 28 ms 47340 KB Output is correct
16 Correct 32 ms 47340 KB Output is correct
17 Correct 28 ms 47340 KB Output is correct
18 Correct 28 ms 47340 KB Output is correct
19 Correct 35 ms 47340 KB Output is correct
20 Correct 28 ms 47340 KB Output is correct
21 Correct 28 ms 47340 KB Output is correct
22 Correct 28 ms 47340 KB Output is correct
23 Correct 33 ms 47272 KB Output is correct
24 Correct 30 ms 47340 KB Output is correct
25 Correct 28 ms 47340 KB Output is correct
26 Correct 28 ms 47288 KB Output is correct
27 Correct 27 ms 47340 KB Output is correct
28 Correct 28 ms 47340 KB Output is correct
29 Correct 28 ms 47340 KB Output is correct
30 Correct 28 ms 47320 KB Output is correct
31 Correct 28 ms 47340 KB Output is correct
32 Correct 28 ms 47360 KB Output is correct
33 Correct 28 ms 47340 KB Output is correct
34 Incorrect 28 ms 47340 KB Output isn't correct
35 Halted 0 ms 0 KB -