oj.uz

Submission #951932

# Submission time Handle Problem Language Result Execution time Memory
951932 2024-03-23T02:05:36 Z SaMuEl0516 Paths (BOI18_paths) C++17
100 / 100
 237 ms 36948 KB 
#include<bits/stdc++.h>
using namespace std;
int color[(int)3e5+5],k4[(int)3e5+5][10],k5[(int)1e5+5][35];
vector<int>cnt[(int)3e5+5];
pair<int,int>e[(int)3e5+5];
int main(){
    cin.tie(0)->sync_with_stdio(0);
    int n,m,k;
    cin>>n>>m>>k;
    for(int i=1;i<=n;i++)cin>>color[i];
    for(int i=0;i<m;i++){
        cin>>e[i].first>>e[i].second;
        cnt[e[i].first].push_back(e[i].second),cnt[e[i].second].push_back(e[i].first);
        if(k>=5)k5[e[i].first][color[e[i].first]*5+color[e[i].second]]++,k5[e[i].second][color[e[i].second]*5+color[e[i].first]]++;
    }
    long long int ans=0;
    if(k>=2){
        for(int i=0;i<m;i++)if(color[e[i].first]!=color[e[i].second])ans+=2;
    }
    if(k>=3){
        for(int i=1;i<=n;i++){
            int c[10];
            for(int j=1;j<=k;j++)c[j]=0;
            for(int j:cnt[i])c[color[j]]++;
            for(int x=1;x<=k;x++)for(int y=1;y<=k;y++){
                if(x==y||x==color[i]||y==color[i])continue;
                ans+=1ll*c[x]*c[y];
            }
        }
    }
    if(k>=4){
        for(int i=1;i<=n;i++){
            for(int j=1;j<=k;j++)k4[i][j]=0;
        }
        for(int i=1;i<=n;i++){
            for(int j:cnt[i])k4[i][color[j]]++;
        }
        for(int i=0;i<m;i++){
            if(color[e[i].first]==color[e[i].second])continue;
            for(int x=1;x<=k;x++)for(int y=1;y<=k;y++){
                if(x==y||x==color[e[i].first]||x==color[e[i].second]||y==color[e[i].first]||y==color[e[i].second])continue;
                ans+=2ll*k4[e[i].first][x]*k4[e[i].second][y];
            }
        }
    }
    if(k>=5){
        for(int i=1;i<=n;i++){
            int c[35];
            for(int j=6;j<=30;j++)c[j]=0;
            for(int j:cnt[i]){
                for(int x=6;x<=30;x++)c[x]+=k5[j][x];
            }
            for(int x=1;x<=k;x++)for(int y=1;y<=k;y++)for(int u=1;u<=k;u++)for(int v=1;v<=k;v++){
                if(color[i]==x||color[i]==y||color[i]==u||color[i]==v
                ||x==y||x==u||x==v||y==u||y==v||u==v)continue;
                ans+=1ll*c[x*5+y]*c[u*5+v];
            }
        }
    }
    cout<<ans;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12636 KB Output is correct
2 Correct 2 ms 12636 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 3 ms 10932 KB Output is correct
5 Correct 4 ms 10588 KB Output is correct
6 Correct 3 ms 12636 KB Output is correct
7 Correct 2 ms 12636 KB Output is correct
8 Correct 2 ms 12636 KB Output is correct
9 Correct 2 ms 12636 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 19280 KB Output is correct
2 Correct 38 ms 18724 KB Output is correct
3 Correct 166 ms 26680 KB Output is correct
4 Correct 63 ms 20560 KB Output is correct
5 Correct 59 ms 20564 KB Output is correct
6 Correct 86 ms 24608 KB Output is correct
7 Correct 117 ms 26628 KB Output is correct
8 Correct 138 ms 27368 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 12636 KB Output is correct
2 Correct 2 ms 12636 KB Output is correct
3 Correct 2 ms 10588 KB Output is correct
4 Correct 3 ms 10932 KB Output is correct
5 Correct 4 ms 10588 KB Output is correct
6 Correct 3 ms 12636 KB Output is correct
7 Correct 2 ms 12636 KB Output is correct
8 Correct 2 ms 12636 KB Output is correct
9 Correct 2 ms 12636 KB Output is correct
10 Correct 2 ms 10588 KB Output is correct
11 Correct 47 ms 19280 KB Output is correct
12 Correct 38 ms 18724 KB Output is correct
13 Correct 166 ms 26680 KB Output is correct
14 Correct 63 ms 20560 KB Output is correct
15 Correct 59 ms 20564 KB Output is correct
16 Correct 86 ms 24608 KB Output is correct
17 Correct 117 ms 26628 KB Output is correct
18 Correct 138 ms 27368 KB Output is correct
19 Correct 47 ms 19268 KB Output is correct
20 Correct 37 ms 18680 KB Output is correct
21 Correct 149 ms 26584 KB Output is correct
22 Correct 63 ms 20560 KB Output is correct
23 Correct 59 ms 20680 KB Output is correct
24 Correct 105 ms 24628 KB Output is correct
25 Correct 149 ms 26596 KB Output is correct
26 Correct 117 ms 27264 KB Output is correct
27 Correct 46 ms 20832 KB Output is correct
28 Correct 63 ms 22160 KB Output is correct
29 Correct 159 ms 36948 KB Output is correct
30 Correct 102 ms 31252 KB Output is correct
31 Correct 113 ms 31372 KB Output is correct
32 Correct 169 ms 36944 KB Output is correct
33 Correct 5 ms 12632 KB Output is correct
34 Correct 2 ms 12636 KB Output is correct
35 Correct 2 ms 10732 KB Output is correct
36 Correct 2 ms 10588 KB Output is correct
37 Correct 2 ms 10588 KB Output is correct
38 Correct 2 ms 12636 KB Output is correct
39 Correct 3 ms 12636 KB Output is correct
40 Correct 3 ms 12728 KB Output is correct
41 Correct 3 ms 12636 KB Output is correct
42 Correct 2 ms 10584 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 12632 KB Output is correct
2 Correct 23 ms 16732 KB Output is correct
3 Correct 13 ms 14680 KB Output is correct
4 Correct 32 ms 17244 KB Output is correct
5 Correct 28 ms 17864 KB Output is correct
6 Correct 237 ms 35924 KB Output is correct
7 Correct 17 ms 16732 KB Output is correct
8 Correct 39 ms 23376 KB Output is correct
9 Correct 36 ms 24020 KB Output is correct
10 Correct 38 ms 23756 KB Output is correct
11 Correct 124 ms 26120 KB Output is correct
12 Correct 157 ms 31420 KB Output is correct
13 Correct 118 ms 26188 KB Output is correct
14 Correct 232 ms 35700 KB Output is correct
15 Correct 227 ms 35664 KB Output is correct
16 Correct 3 ms 12636 KB Output is correct
17 Correct 3 ms 12636 KB Output is correct
18 Correct 2 ms 10588 KB Output is correct
19 Correct 3 ms 10588 KB Output is correct
20 Correct 2 ms 10584 KB Output is correct
21 Correct 3 ms 12636 KB Output is correct
22 Correct 2 ms 12636 KB Output is correct
23 Correct 3 ms 12776 KB Output is correct
24 Correct 2 ms 12636 KB Output is correct
25 Correct 2 ms 10720 KB Output is correct