oj.uz

Submission #877135

# Submission time Handle Problem Language Result Execution time Memory
877135 2023-11-22T23:29:46 Z MasterTaster Paths (BOI18_paths) C++14
70 / 100
 260 ms 25948 KB 
#include <bits/stdc++.h>

#define ll long long
#define pii pair<int, int>
#define xx first
#define yy second
#define pb push_back
#define MAXN 300010
#define MAXK 6

using namespace std;

int n, m, k, a[MAXN];
ll cnt[MAXN][MAXK], ress;
vector<pii> grane;

int main() {
    cin>>n>>m>>k;

    for (int i=1; i<=n; i++)
        cin>>a[i];

    for (int i=0; i<m; i++)
    {
        int u, v; cin>>u>>v;
        grane.pb({u, v});
        cnt[u][a[v]]++;
        cnt[v][a[u]]++;
    }

    for (auto par:grane)
    {
        int u=par.xx, v=par.yy;
        if (a[u]==a[v]) continue;
        ress+=2;
        vector<int> boje;
        for (int i=1; i<=4; i++) if (a[u]!=i && a[v]!=i) boje.pb(i);
        int c1, c2;
        c1=boje[0]; c2=boje[1];
        ress+=2*((cnt[u][c1]*cnt[v][c2])+(cnt[u][c2]*cnt[v][c1]))+cnt[u][c1]+cnt[u][c2]+cnt[v][c1]+cnt[v][c2];
        //cout<<u<<" "<<v<<" "<<ress<<endl;
    }
    cout<<ress;
}

Subtask #1
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2488 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 12132 KB Output is correct
2 Correct 117 ms 10420 KB Output is correct
3 Correct 201 ms 24900 KB Output is correct
4 Correct 125 ms 12784 KB Output is correct
5 Correct 124 ms 13936 KB Output is correct
6 Correct 168 ms 21952 KB Output is correct
7 Correct 204 ms 25796 KB Output is correct
8 Correct 260 ms 25668 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2488 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 118 ms 12132 KB Output is correct
12 Correct 117 ms 10420 KB Output is correct
13 Correct 201 ms 24900 KB Output is correct
14 Correct 125 ms 12784 KB Output is correct
15 Correct 124 ms 13936 KB Output is correct
16 Correct 168 ms 21952 KB Output is correct
17 Correct 204 ms 25796 KB Output is correct
18 Correct 260 ms 25668 KB Output is correct
19 Correct 117 ms 13508 KB Output is correct
20 Correct 97 ms 10104 KB Output is correct
21 Correct 206 ms 24224 KB Output is correct
22 Correct 122 ms 12748 KB Output is correct
23 Correct 115 ms 13380 KB Output is correct
24 Correct 183 ms 22964 KB Output is correct
25 Correct 237 ms 25640 KB Output is correct
26 Correct 208 ms 25064 KB Output is correct
27 Correct 106 ms 10928 KB Output is correct
28 Correct 117 ms 12188 KB Output is correct
29 Correct 210 ms 25948 KB Output is correct
30 Correct 166 ms 20500 KB Output is correct
31 Correct 172 ms 20736 KB Output is correct
32 Correct 222 ms 24876 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2496 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 1 ms 2396 KB Output is correct
37 Correct 1 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 1 ms 2396 KB Output is correct
41 Correct 1 ms 2396 KB Output is correct
42 Correct 1 ms 2648 KB Output is correct

Subtask #4
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Incorrect 34 ms 4208 KB Output isn't correct
3 Halted 0 ms 0 KB -