oj.uz

Submission #539432

# Submission time Handle Problem Language Result Execution time Memory
539432 2022-03-18T22:07:08 Z Antekb Dango Maker (JOI18_dango_maker) C++14
100 / 100
 739 ms 185744 KB 
#include<bits/stdc++.h>
#define st first
#define nd second
using namespace std;
using ll=long long;
const int N=3005, M=3e6+5;
const ll INF=1e18;
vector<int> E[M];
int vis[M], match[M];
int co[N][N], poz[N][N], pio[N][N];
int col=1;
bool dfs(int v){
    vis[v]=col;
    for(int u:E[v]){
        if(!match[u]){
            match[u]=v;
            return 1;
        }
        else{
            if(vis[match[u]]!=col && dfs(match[u])){
                match[u]=v;
                return 1;
            }
        }
    }
    return 0;
}
int main(){
    int n, m;
    cin>>n>>m;
    for(int i=1; i<=n; i++){
        string s;
        cin>>s;
        for(int j=0; j<m; j++){
            if(s[j]=='R')co[i][j+1]=1;
            else if(s[j]=='G')co[i][j+1]=2;
            else co[i][j+1]=3;
        }
    }
    int ans=0;
    for(int s=2; s<=n+m; s++){
    int wsk1=0, wsk2=0;
    for(int i=1; i<=n; i++){
        int j=s-i;
        if(j>0 && j<=m){
            if(co[i-1][j]==1 && co[i][j]==2 && co[i+1][j]==3){
                pio[i][j]=++wsk1;
            }
        }
    }
    for(int i=1; i<=n; i++){
       int j=s-i;
        if(j>0 && j<=m){
            if(co[i][j-1]==1 && co[i][j]==2 && co[i][j+1]==3){
                poz[i][j]=++wsk2;
            }
        }
    }
    for(int i=1; i<=n; i++){
        int j=s-i;
        if(j>0 && j<=m){
            if(pio[i][j] && poz[i-1][j+1])E[pio[i][j]].push_back(poz[i-1][j+1]);
            if(pio[i][j] && poz[i+1][j-1])E[pio[i][j]].push_back(poz[i+1][j-1]);
            if(pio[i][j] && poz[i][j])E[pio[i][j]].push_back(poz[i][j]);
        }
    }
    ans+=wsk1+wsk2;
    for(int i=1; i<=wsk1; i++){
        if(dfs(i))ans--;
        else{
            col++;
            if(dfs(i))ans--;
        }
    }
    for(int i=0; i<=wsk1+wsk2; i++){
        match[i]=vis[i]=0;
        E[i].clear();
    }
    }
    cout<<ans;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 70732 KB Output is correct
2 Correct 43 ms 70656 KB Output is correct
3 Correct 38 ms 70740 KB Output is correct
4 Correct 37 ms 70704 KB Output is correct
5 Correct 38 ms 70740 KB Output is correct
6 Correct 38 ms 70772 KB Output is correct
7 Correct 37 ms 70760 KB Output is correct
8 Correct 37 ms 70740 KB Output is correct
9 Correct 36 ms 70788 KB Output is correct
10 Correct 37 ms 70732 KB Output is correct
11 Correct 37 ms 70692 KB Output is correct
12 Correct 38 ms 70708 KB Output is correct
13 Correct 37 ms 70804 KB Output is correct
14 Correct 38 ms 70760 KB Output is correct
15 Correct 38 ms 70740 KB Output is correct
16 Correct 38 ms 70784 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 70732 KB Output is correct
2 Correct 43 ms 70656 KB Output is correct
3 Correct 38 ms 70740 KB Output is correct
4 Correct 37 ms 70704 KB Output is correct
5 Correct 38 ms 70740 KB Output is correct
6 Correct 38 ms 70772 KB Output is correct
7 Correct 37 ms 70760 KB Output is correct
8 Correct 37 ms 70740 KB Output is correct
9 Correct 36 ms 70788 KB Output is correct
10 Correct 37 ms 70732 KB Output is correct
11 Correct 37 ms 70692 KB Output is correct
12 Correct 38 ms 70708 KB Output is correct
13 Correct 37 ms 70804 KB Output is correct
14 Correct 38 ms 70760 KB Output is correct
15 Correct 38 ms 70740 KB Output is correct
16 Correct 38 ms 70784 KB Output is correct
17 Correct 37 ms 70804 KB Output is correct
18 Correct 36 ms 70756 KB Output is correct
19 Correct 38 ms 70740 KB Output is correct
20 Correct 38 ms 70840 KB Output is correct
21 Correct 43 ms 70844 KB Output is correct
22 Correct 38 ms 70784 KB Output is correct
23 Correct 39 ms 70860 KB Output is correct
24 Correct 38 ms 70740 KB Output is correct
25 Correct 38 ms 70768 KB Output is correct
26 Correct 37 ms 70752 KB Output is correct
27 Correct 44 ms 70876 KB Output is correct
28 Correct 41 ms 70760 KB Output is correct
29 Correct 38 ms 70868 KB Output is correct
30 Correct 43 ms 70740 KB Output is correct
31 Correct 37 ms 70816 KB Output is correct
32 Correct 38 ms 70816 KB Output is correct
33 Correct 38 ms 70792 KB Output is correct
34 Correct 38 ms 70820 KB Output is correct
35 Correct 38 ms 70800 KB Output is correct
36 Correct 38 ms 70864 KB Output is correct
37 Correct 38 ms 70892 KB Output is correct
38 Correct 38 ms 70868 KB Output is correct
39 Correct 37 ms 70860 KB Output is correct
40 Correct 40 ms 70860 KB Output is correct
41 Correct 38 ms 70796 KB Output is correct
42 Correct 38 ms 70868 KB Output is correct
43 Correct 39 ms 70868 KB Output is correct
44 Correct 39 ms 70744 KB Output is correct
45 Correct 38 ms 70832 KB Output is correct
46 Correct 38 ms 70860 KB Output is correct
47 Correct 43 ms 70824 KB Output is correct
48 Correct 39 ms 70776 KB Output is correct
49 Correct 39 ms 70880 KB Output is correct
50 Correct 38 ms 70852 KB Output is correct
51 Correct 37 ms 70856 KB Output is correct
52 Correct 38 ms 70872 KB Output is correct
53 Correct 41 ms 70796 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 70732 KB Output is correct
2 Correct 43 ms 70656 KB Output is correct
3 Correct 38 ms 70740 KB Output is correct
4 Correct 37 ms 70704 KB Output is correct
5 Correct 38 ms 70740 KB Output is correct
6 Correct 38 ms 70772 KB Output is correct
7 Correct 37 ms 70760 KB Output is correct
8 Correct 37 ms 70740 KB Output is correct
9 Correct 36 ms 70788 KB Output is correct
10 Correct 37 ms 70732 KB Output is correct
11 Correct 37 ms 70692 KB Output is correct
12 Correct 38 ms 70708 KB Output is correct
13 Correct 37 ms 70804 KB Output is correct
14 Correct 38 ms 70760 KB Output is correct
15 Correct 38 ms 70740 KB Output is correct
16 Correct 38 ms 70784 KB Output is correct
17 Correct 37 ms 70804 KB Output is correct
18 Correct 36 ms 70756 KB Output is correct
19 Correct 38 ms 70740 KB Output is correct
20 Correct 38 ms 70840 KB Output is correct
21 Correct 43 ms 70844 KB Output is correct
22 Correct 38 ms 70784 KB Output is correct
23 Correct 39 ms 70860 KB Output is correct
24 Correct 38 ms 70740 KB Output is correct
25 Correct 38 ms 70768 KB Output is correct
26 Correct 37 ms 70752 KB Output is correct
27 Correct 44 ms 70876 KB Output is correct
28 Correct 41 ms 70760 KB Output is correct
29 Correct 38 ms 70868 KB Output is correct
30 Correct 43 ms 70740 KB Output is correct
31 Correct 37 ms 70816 KB Output is correct
32 Correct 38 ms 70816 KB Output is correct
33 Correct 38 ms 70792 KB Output is correct
34 Correct 38 ms 70820 KB Output is correct
35 Correct 38 ms 70800 KB Output is correct
36 Correct 38 ms 70864 KB Output is correct
37 Correct 38 ms 70892 KB Output is correct
38 Correct 38 ms 70868 KB Output is correct
39 Correct 37 ms 70860 KB Output is correct
40 Correct 40 ms 70860 KB Output is correct
41 Correct 38 ms 70796 KB Output is correct
42 Correct 38 ms 70868 KB Output is correct
43 Correct 39 ms 70868 KB Output is correct
44 Correct 39 ms 70744 KB Output is correct
45 Correct 38 ms 70832 KB Output is correct
46 Correct 38 ms 70860 KB Output is correct
47 Correct 43 ms 70824 KB Output is correct
48 Correct 39 ms 70776 KB Output is correct
49 Correct 39 ms 70880 KB Output is correct
50 Correct 38 ms 70852 KB Output is correct
51 Correct 37 ms 70856 KB Output is correct
52 Correct 38 ms 70872 KB Output is correct
53 Correct 41 ms 70796 KB Output is correct
54 Correct 38 ms 70748 KB Output is correct
55 Correct 69 ms 83308 KB Output is correct
56 Correct 39 ms 70868 KB Output is correct
57 Correct 57 ms 88780 KB Output is correct
58 Correct 109 ms 94232 KB Output is correct
59 Correct 706 ms 176564 KB Output is correct
60 Correct 686 ms 176608 KB Output is correct
61 Correct 675 ms 176700 KB Output is correct
62 Correct 38 ms 70740 KB Output is correct
63 Correct 665 ms 176520 KB Output is correct
64 Correct 739 ms 185744 KB Output is correct
65 Correct 713 ms 185716 KB Output is correct
66 Correct 709 ms 185676 KB Output is correct
67 Correct 647 ms 130624 KB Output is correct
68 Correct 667 ms 130736 KB Output is correct
69 Correct 653 ms 140724 KB Output is correct
70 Correct 107 ms 95572 KB Output is correct
71 Correct 107 ms 95520 KB Output is correct
72 Correct 104 ms 95532 KB Output is correct
73 Correct 108 ms 95580 KB Output is correct
74 Correct 107 ms 95572 KB Output is correct
75 Correct 109 ms 95596 KB Output is correct
76 Correct 110 ms 95604 KB Output is correct
77 Correct 106 ms 95588 KB Output is correct
78 Correct 106 ms 95500 KB Output is correct
79 Correct 107 ms 95464 KB Output is correct
80 Correct 105 ms 95584 KB Output is correct
81 Correct 132 ms 95584 KB Output is correct
82 Correct 111 ms 95560 KB Output is correct
83 Correct 106 ms 95564 KB Output is correct
84 Correct 106 ms 95592 KB Output is correct
85 Correct 107 ms 95564 KB Output is correct
86 Correct 106 ms 95528 KB Output is correct
87 Correct 109 ms 95532 KB Output is correct
88 Correct 117 ms 95476 KB Output is correct
89 Correct 106 ms 95572 KB Output is correct
90 Correct 106 ms 95512 KB Output is correct