oj.uz

Submission #986247

# Submission time Handle Problem Language Result Execution time Memory
986247 2024-05-20T06:45:43 Z Aiperiii Paths (BOI18_paths) C++14
100 / 100
 436 ms 61996 KB 
#include <bits/stdc++.h>
#define int long long
#define ff first
#define ss second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int N=3e5+5;
int cl[N],cnt[N][6];
vector <int> g[N][6];
signed main(){
    ios_base::sync_with_stdio();
    cin.tie(0);cout.tie(0);
    int n,m,k;
    cin>>n>>m>>k;
    for(int i=1;i<=n;i++)cin>>cl[i];
    while(m--){
        int u,v;
        cin>>u>>v;
        g[u][cl[v]].pb(v);
        g[v][cl[u]].pb(u);
    }
    int ans=0;
    if(k>=2){
        for(int i=1;i<=n;i++){
            for(int a=1;a<=k;a++){
                if(cl[i]!=a)ans+=g[i][a].size();
            }
        }
    }
    if(k>=3){
        for(int i=1;i<=n;i++){
            for(int a=1;a<=k;a++){
                for(int b=1;b<=k;b++){
                    if(a!=b && a!=cl[i] && b!=cl[i])ans+=g[i][a].size()*g[i][b].size();
                }
            }
        }
    }
    if(k>=4){
        for(int i=1;i<=n;i++){
            for(int b=1;b<=k;b++){
                for(int c=1;c<=k;c++){
                    for(int a=1;a<=k;a++){
                        if(a!=b && a!=cl[i] && b!=cl[i] && c!=b && c!=a && c!=cl[i]){
                            for(auto to : g[i][b])ans+=g[i][a].size()*g[to][c].size();
                        }
                    }
                    
                }
                
            }
        }
    }
    if(k==5){
        for(int i=1;i<=n;i++){
            for(int b=1;b<=k;b++){
                for(int c=1;c<=k;c++){
                    for(int a=1;a<=k;a++){
                        if(a!=b && a!=cl[i] && b!=cl[i] && c!=b && c!=a && c!=cl[i]){
                            int x=0,y=0;
                            int d=15-(cl[i]+a+b+c);
                            for(auto to : g[i][b])x+=g[to][d].size();
                            for(auto to : g[i][a])y+=g[to][c].size();
                            ans+=x*y;
                        }
                    }
                }
            }
        }
    }
    cout<<ans<<"\n";
}

/*
 4 3 3
 1 2 1 3
 1 2
 2 3
 4 2
 
 
9 11 4
1 2 3 4 1 2 1 2 2
1 2
1 3
2 3
2 4
3 6
6 2
6 5
4 3
4 5
7 8
9 8
*/

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 45660 KB Output is correct
2 Correct 10 ms 45668 KB Output is correct
3 Correct 12 ms 45660 KB Output is correct
4 Correct 10 ms 45660 KB Output is correct
5 Correct 10 ms 45728 KB Output is correct
6 Correct 11 ms 45656 KB Output is correct
7 Correct 10 ms 45660 KB Output is correct
8 Correct 10 ms 45656 KB Output is correct
9 Correct 11 ms 45660 KB Output is correct
10 Correct 11 ms 45748 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 125 ms 53832 KB Output is correct
2 Correct 97 ms 52560 KB Output is correct
3 Correct 306 ms 60968 KB Output is correct
4 Correct 161 ms 54024 KB Output is correct
5 Correct 158 ms 53676 KB Output is correct
6 Correct 239 ms 57752 KB Output is correct
7 Correct 294 ms 60976 KB Output is correct
8 Correct 295 ms 61876 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 45660 KB Output is correct
2 Correct 10 ms 45668 KB Output is correct
3 Correct 12 ms 45660 KB Output is correct
4 Correct 10 ms 45660 KB Output is correct
5 Correct 10 ms 45728 KB Output is correct
6 Correct 11 ms 45656 KB Output is correct
7 Correct 10 ms 45660 KB Output is correct
8 Correct 10 ms 45656 KB Output is correct
9 Correct 11 ms 45660 KB Output is correct
10 Correct 11 ms 45748 KB Output is correct
11 Correct 125 ms 53832 KB Output is correct
12 Correct 97 ms 52560 KB Output is correct
13 Correct 306 ms 60968 KB Output is correct
14 Correct 161 ms 54024 KB Output is correct
15 Correct 158 ms 53676 KB Output is correct
16 Correct 239 ms 57752 KB Output is correct
17 Correct 294 ms 60976 KB Output is correct
18 Correct 295 ms 61876 KB Output is correct
19 Correct 119 ms 53672 KB Output is correct
20 Correct 94 ms 52560 KB Output is correct
21 Correct 314 ms 60748 KB Output is correct
22 Correct 161 ms 54096 KB Output is correct
23 Correct 149 ms 53864 KB Output is correct
24 Correct 233 ms 57800 KB Output is correct
25 Correct 302 ms 60756 KB Output is correct
26 Correct 312 ms 61996 KB Output is correct
27 Correct 94 ms 52816 KB Output is correct
28 Correct 142 ms 54096 KB Output is correct
29 Correct 436 ms 61956 KB Output is correct
30 Correct 316 ms 57508 KB Output is correct
31 Correct 314 ms 58448 KB Output is correct
32 Correct 425 ms 61780 KB Output is correct
33 Correct 10 ms 45660 KB Output is correct
34 Correct 10 ms 45656 KB Output is correct
35 Correct 12 ms 45924 KB Output is correct
36 Correct 11 ms 45660 KB Output is correct
37 Correct 11 ms 45660 KB Output is correct
38 Correct 10 ms 45772 KB Output is correct
39 Correct 10 ms 45744 KB Output is correct
40 Correct 10 ms 45660 KB Output is correct
41 Correct 10 ms 45660 KB Output is correct
42 Correct 10 ms 45660 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 45660 KB Output is correct
2 Correct 43 ms 48280 KB Output is correct
3 Correct 38 ms 49492 KB Output is correct
4 Correct 106 ms 51844 KB Output is correct
5 Correct 92 ms 51140 KB Output is correct
6 Correct 202 ms 52308 KB Output is correct
7 Correct 39 ms 48468 KB Output is correct
8 Correct 139 ms 52500 KB Output is correct
9 Correct 97 ms 51012 KB Output is correct
10 Correct 116 ms 51876 KB Output is correct
11 Correct 110 ms 50516 KB Output is correct
12 Correct 133 ms 50888 KB Output is correct
13 Correct 110 ms 51156 KB Output is correct
14 Correct 208 ms 52232 KB Output is correct
15 Correct 200 ms 52308 KB Output is correct
16 Correct 11 ms 45916 KB Output is correct
17 Correct 10 ms 45660 KB Output is correct
18 Correct 10 ms 45660 KB Output is correct
19 Correct 11 ms 45760 KB Output is correct
20 Correct 11 ms 45660 KB Output is correct
21 Correct 11 ms 45760 KB Output is correct
22 Correct 10 ms 45660 KB Output is correct
23 Correct 10 ms 45656 KB Output is correct
24 Correct 10 ms 45660 KB Output is correct
25 Correct 10 ms 45660 KB Output is correct