oj.uz

Submission #516484

# Submission time Handle Problem Language Result Execution time Memory
516484 2022-01-21T12:01:38 Z DJ035 Power Plant (JOI20_power) C++17
47 / 100
 5 ms 7500 KB 
#include <bits/stdc++.h>
#define MEM 111111
#define sanic ios_base::sync_with_stdio(0)
#define x first
#define y second
#define pf push_front
#define pb push_back
#define all(v) v.begin(), v.end()
#define sz size()
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pi;
const ll MOD = 1e9+7;
const ll INF = 2e14+7;
ll mul(ll a, ll b){
    return ((a*b)%MOD+MOD)%MOD;
}
ll add(ll a, ll b){
    return ((a+b)%MOD+MOD)%MOD;
}

ll t,n,m,q,k;
ll dp[MEM];
ll ans;
vector<ll> g[MEM];
string s;
ll DP(ll c, ll p){
    ll& ret = dp[c];
    if(ret!=-1) return ret;
    ll dsum=0, dmx=0;
    for(ll nt:g[c]){
        if(nt==p) continue;
        ll o=DP(nt, c);
        dsum += o;
        dmx = max(o, dmx);
    }
    ll ct=(ll)(s[c-1]-'0');

    ret = max(dsum-ct, ct);
    ans = max({ans, dmx+ct, dsum-ct});
    //cout << c << ' ' << ret << ' ' << ans << ' ' << dsum << ' ' << dmx << '\n';
    return ret;
}
signed main(){
    sanic; cin.tie(0); cout.tie(0);
    memset(dp, -1, sizeof(dp));
    cin >> n;
    for(int i=1; i<n; i++){
        ll q1,q2;
        cin >> q1 >> q2;
        g[q1].pb(q2);
        g[q2].pb(q1);
    }
    cin >> s;
    DP(1, -1);
    cout << ans;
}
/*
6
2 3
4 3
1 3
3 5
6 2
110011
*/

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3788 KB Output is correct
2 Correct 2 ms 3788 KB Output is correct
3 Correct 2 ms 3788 KB Output is correct
4 Correct 2 ms 3788 KB Output is correct
5 Correct 2 ms 3788 KB Output is correct
6 Correct 2 ms 3792 KB Output is correct
7 Correct 2 ms 3792 KB Output is correct
8 Correct 2 ms 3788 KB Output is correct
9 Correct 2 ms 3788 KB Output is correct
10 Correct 2 ms 3788 KB Output is correct
11 Correct 2 ms 3788 KB Output is correct
12 Correct 2 ms 3788 KB Output is correct
13 Correct 2 ms 3788 KB Output is correct
14 Correct 2 ms 3788 KB Output is correct
15 Correct 2 ms 3788 KB Output is correct
16 Correct 3 ms 3788 KB Output is correct
17 Correct 2 ms 3788 KB Output is correct
18 Correct 2 ms 3792 KB Output is correct
19 Correct 2 ms 3788 KB Output is correct
20 Correct 2 ms 3788 KB Output is correct
21 Correct 2 ms 3788 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3788 KB Output is correct
2 Correct 2 ms 3788 KB Output is correct
3 Correct 2 ms 3788 KB Output is correct
4 Correct 2 ms 3788 KB Output is correct
5 Correct 2 ms 3788 KB Output is correct
6 Correct 2 ms 3792 KB Output is correct
7 Correct 2 ms 3792 KB Output is correct
8 Correct 2 ms 3788 KB Output is correct
9 Correct 2 ms 3788 KB Output is correct
10 Correct 2 ms 3788 KB Output is correct
11 Correct 2 ms 3788 KB Output is correct
12 Correct 2 ms 3788 KB Output is correct
13 Correct 2 ms 3788 KB Output is correct
14 Correct 2 ms 3788 KB Output is correct
15 Correct 2 ms 3788 KB Output is correct
16 Correct 3 ms 3788 KB Output is correct
17 Correct 2 ms 3788 KB Output is correct
18 Correct 2 ms 3792 KB Output is correct
19 Correct 2 ms 3788 KB Output is correct
20 Correct 2 ms 3788 KB Output is correct
21 Correct 2 ms 3788 KB Output is correct
22 Correct 2 ms 3808 KB Output is correct
23 Correct 2 ms 3800 KB Output is correct
24 Correct 3 ms 3788 KB Output is correct
25 Correct 3 ms 3788 KB Output is correct
26 Correct 3 ms 3788 KB Output is correct
27 Correct 2 ms 3788 KB Output is correct
28 Correct 3 ms 3800 KB Output is correct
29 Correct 4 ms 3916 KB Output is correct
30 Correct 3 ms 3932 KB Output is correct
31 Correct 3 ms 3788 KB Output is correct
32 Correct 3 ms 3788 KB Output is correct
33 Correct 2 ms 3788 KB Output is correct
34 Correct 2 ms 3788 KB Output is correct
35 Correct 2 ms 3788 KB Output is correct
36 Correct 3 ms 3788 KB Output is correct
37 Correct 2 ms 3788 KB Output is correct
38 Correct 2 ms 3808 KB Output is correct
39 Correct 2 ms 3916 KB Output is correct
40 Correct 3 ms 3916 KB Output is correct
41 Correct 3 ms 3936 KB Output is correct
42 Correct 3 ms 3788 KB Output is correct
43 Correct 2 ms 3788 KB Output is correct
44 Correct 3 ms 3916 KB Output is correct
45 Correct 3 ms 3800 KB Output is correct
46 Correct 3 ms 3808 KB Output is correct
47 Correct 2 ms 3788 KB Output is correct
48 Correct 2 ms 3916 KB Output is correct
49 Correct 5 ms 3856 KB Output is correct
50 Correct 2 ms 3916 KB Output is correct
51 Correct 2 ms 3916 KB Output is correct
52 Correct 2 ms 3788 KB Output is correct
53 Correct 2 ms 3788 KB Output is correct
54 Correct 3 ms 3916 KB Output is correct
55 Correct 2 ms 3788 KB Output is correct
56 Correct 3 ms 3788 KB Output is correct
57 Correct 3 ms 3916 KB Output is correct
58 Correct 3 ms 3804 KB Output is correct
59 Correct 4 ms 3788 KB Output is correct
60 Correct 2 ms 3932 KB Output is correct
61 Correct 2 ms 3788 KB Output is correct
62 Correct 2 ms 3916 KB Output is correct
63 Correct 3 ms 3788 KB Output is correct

Subtask #3
0.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3788 KB Output is correct
2 Correct 2 ms 3788 KB Output is correct
3 Correct 2 ms 3788 KB Output is correct
4 Correct 2 ms 3788 KB Output is correct
5 Correct 2 ms 3788 KB Output is correct
6 Correct 2 ms 3792 KB Output is correct
7 Correct 2 ms 3792 KB Output is correct
8 Correct 2 ms 3788 KB Output is correct
9 Correct 2 ms 3788 KB Output is correct
10 Correct 2 ms 3788 KB Output is correct
11 Correct 2 ms 3788 KB Output is correct
12 Correct 2 ms 3788 KB Output is correct
13 Correct 2 ms 3788 KB Output is correct
14 Correct 2 ms 3788 KB Output is correct
15 Correct 2 ms 3788 KB Output is correct
16 Correct 3 ms 3788 KB Output is correct
17 Correct 2 ms 3788 KB Output is correct
18 Correct 2 ms 3792 KB Output is correct
19 Correct 2 ms 3788 KB Output is correct
20 Correct 2 ms 3788 KB Output is correct
21 Correct 2 ms 3788 KB Output is correct
22 Correct 2 ms 3808 KB Output is correct
23 Correct 2 ms 3800 KB Output is correct
24 Correct 3 ms 3788 KB Output is correct
25 Correct 3 ms 3788 KB Output is correct
26 Correct 3 ms 3788 KB Output is correct
27 Correct 2 ms 3788 KB Output is correct
28 Correct 3 ms 3800 KB Output is correct
29 Correct 4 ms 3916 KB Output is correct
30 Correct 3 ms 3932 KB Output is correct
31 Correct 3 ms 3788 KB Output is correct
32 Correct 3 ms 3788 KB Output is correct
33 Correct 2 ms 3788 KB Output is correct
34 Correct 2 ms 3788 KB Output is correct
35 Correct 2 ms 3788 KB Output is correct
36 Correct 3 ms 3788 KB Output is correct
37 Correct 2 ms 3788 KB Output is correct
38 Correct 2 ms 3808 KB Output is correct
39 Correct 2 ms 3916 KB Output is correct
40 Correct 3 ms 3916 KB Output is correct
41 Correct 3 ms 3936 KB Output is correct
42 Correct 3 ms 3788 KB Output is correct
43 Correct 2 ms 3788 KB Output is correct
44 Correct 3 ms 3916 KB Output is correct
45 Correct 3 ms 3800 KB Output is correct
46 Correct 3 ms 3808 KB Output is correct
47 Correct 2 ms 3788 KB Output is correct
48 Correct 2 ms 3916 KB Output is correct
49 Correct 5 ms 3856 KB Output is correct
50 Correct 2 ms 3916 KB Output is correct
51 Correct 2 ms 3916 KB Output is correct
52 Correct 2 ms 3788 KB Output is correct
53 Correct 2 ms 3788 KB Output is correct
54 Correct 3 ms 3916 KB Output is correct
55 Correct 2 ms 3788 KB Output is correct
56 Correct 3 ms 3788 KB Output is correct
57 Correct 3 ms 3916 KB Output is correct
58 Correct 3 ms 3804 KB Output is correct
59 Correct 4 ms 3788 KB Output is correct
60 Correct 2 ms 3932 KB Output is correct
61 Correct 2 ms 3788 KB Output is correct
62 Correct 2 ms 3916 KB Output is correct
63 Correct 3 ms 3788 KB Output is correct
64 Runtime error 5 ms 7500 KB Execution killed with signal 11
65 Halted 0 ms 0 KB -