oj.uz

Submission #516485

# Submission time Handle Problem Language Result Execution time Memory
516485 2022-01-21T12:03:45 Z DJ035 Power Plant (JOI20_power) C++17
100 / 100
 153 ms 27696 KB 
#include <bits/stdc++.h>
#define MEM 222222
#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 3 ms 7244 KB Output is correct
2 Correct 3 ms 7244 KB Output is correct
3 Correct 3 ms 7244 KB Output is correct
4 Correct 3 ms 7244 KB Output is correct
5 Correct 3 ms 7244 KB Output is correct
6 Correct 4 ms 7204 KB Output is correct
7 Correct 4 ms 7244 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 3 ms 7244 KB Output is correct
10 Correct 3 ms 7244 KB Output is correct
11 Correct 4 ms 7160 KB Output is correct
12 Correct 4 ms 7152 KB Output is correct
13 Correct 3 ms 7244 KB Output is correct
14 Correct 3 ms 7244 KB Output is correct
15 Correct 3 ms 7244 KB Output is correct
16 Correct 3 ms 7244 KB Output is correct
17 Correct 3 ms 7244 KB Output is correct
18 Correct 3 ms 7244 KB Output is correct
19 Correct 4 ms 7244 KB Output is correct
20 Correct 3 ms 7244 KB Output is correct
21 Correct 3 ms 7244 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7244 KB Output is correct
2 Correct 3 ms 7244 KB Output is correct
3 Correct 3 ms 7244 KB Output is correct
4 Correct 3 ms 7244 KB Output is correct
5 Correct 3 ms 7244 KB Output is correct
6 Correct 4 ms 7204 KB Output is correct
7 Correct 4 ms 7244 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 3 ms 7244 KB Output is correct
10 Correct 3 ms 7244 KB Output is correct
11 Correct 4 ms 7160 KB Output is correct
12 Correct 4 ms 7152 KB Output is correct
13 Correct 3 ms 7244 KB Output is correct
14 Correct 3 ms 7244 KB Output is correct
15 Correct 3 ms 7244 KB Output is correct
16 Correct 3 ms 7244 KB Output is correct
17 Correct 3 ms 7244 KB Output is correct
18 Correct 3 ms 7244 KB Output is correct
19 Correct 4 ms 7244 KB Output is correct
20 Correct 3 ms 7244 KB Output is correct
21 Correct 3 ms 7244 KB Output is correct
22 Correct 4 ms 7244 KB Output is correct
23 Correct 4 ms 7244 KB Output is correct
24 Correct 4 ms 7244 KB Output is correct
25 Correct 4 ms 7244 KB Output is correct
26 Correct 4 ms 7244 KB Output is correct
27 Correct 4 ms 7244 KB Output is correct
28 Correct 4 ms 7244 KB Output is correct
29 Correct 4 ms 7348 KB Output is correct
30 Correct 4 ms 7372 KB Output is correct
31 Correct 4 ms 7244 KB Output is correct
32 Correct 4 ms 7244 KB Output is correct
33 Correct 4 ms 7244 KB Output is correct
34 Correct 4 ms 7244 KB Output is correct
35 Correct 4 ms 7244 KB Output is correct
36 Correct 4 ms 7244 KB Output is correct
37 Correct 4 ms 7244 KB Output is correct
38 Correct 6 ms 7244 KB Output is correct
39 Correct 4 ms 7372 KB Output is correct
40 Correct 4 ms 7372 KB Output is correct
41 Correct 5 ms 7372 KB Output is correct
42 Correct 4 ms 7372 KB Output is correct
43 Correct 4 ms 7244 KB Output is correct
44 Correct 4 ms 7372 KB Output is correct
45 Correct 4 ms 7372 KB Output is correct
46 Correct 4 ms 7372 KB Output is correct
47 Correct 4 ms 7244 KB Output is correct
48 Correct 4 ms 7372 KB Output is correct
49 Correct 4 ms 7388 KB Output is correct
50 Correct 4 ms 7388 KB Output is correct
51 Correct 4 ms 7372 KB Output is correct
52 Correct 5 ms 7244 KB Output is correct
53 Correct 4 ms 7372 KB Output is correct
54 Correct 4 ms 7372 KB Output is correct
55 Correct 5 ms 7244 KB Output is correct
56 Correct 6 ms 7244 KB Output is correct
57 Correct 4 ms 7372 KB Output is correct
58 Correct 4 ms 7244 KB Output is correct
59 Correct 4 ms 7244 KB Output is correct
60 Correct 4 ms 7372 KB Output is correct
61 Correct 4 ms 7244 KB Output is correct
62 Correct 4 ms 7420 KB Output is correct
63 Correct 4 ms 7244 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7244 KB Output is correct
2 Correct 3 ms 7244 KB Output is correct
3 Correct 3 ms 7244 KB Output is correct
4 Correct 3 ms 7244 KB Output is correct
5 Correct 3 ms 7244 KB Output is correct
6 Correct 4 ms 7204 KB Output is correct
7 Correct 4 ms 7244 KB Output is correct
8 Correct 4 ms 7252 KB Output is correct
9 Correct 3 ms 7244 KB Output is correct
10 Correct 3 ms 7244 KB Output is correct
11 Correct 4 ms 7160 KB Output is correct
12 Correct 4 ms 7152 KB Output is correct
13 Correct 3 ms 7244 KB Output is correct
14 Correct 3 ms 7244 KB Output is correct
15 Correct 3 ms 7244 KB Output is correct
16 Correct 3 ms 7244 KB Output is correct
17 Correct 3 ms 7244 KB Output is correct
18 Correct 3 ms 7244 KB Output is correct
19 Correct 4 ms 7244 KB Output is correct
20 Correct 3 ms 7244 KB Output is correct
21 Correct 3 ms 7244 KB Output is correct
22 Correct 4 ms 7244 KB Output is correct
23 Correct 4 ms 7244 KB Output is correct
24 Correct 4 ms 7244 KB Output is correct
25 Correct 4 ms 7244 KB Output is correct
26 Correct 4 ms 7244 KB Output is correct
27 Correct 4 ms 7244 KB Output is correct
28 Correct 4 ms 7244 KB Output is correct
29 Correct 4 ms 7348 KB Output is correct
30 Correct 4 ms 7372 KB Output is correct
31 Correct 4 ms 7244 KB Output is correct
32 Correct 4 ms 7244 KB Output is correct
33 Correct 4 ms 7244 KB Output is correct
34 Correct 4 ms 7244 KB Output is correct
35 Correct 4 ms 7244 KB Output is correct
36 Correct 4 ms 7244 KB Output is correct
37 Correct 4 ms 7244 KB Output is correct
38 Correct 6 ms 7244 KB Output is correct
39 Correct 4 ms 7372 KB Output is correct
40 Correct 4 ms 7372 KB Output is correct
41 Correct 5 ms 7372 KB Output is correct
42 Correct 4 ms 7372 KB Output is correct
43 Correct 4 ms 7244 KB Output is correct
44 Correct 4 ms 7372 KB Output is correct
45 Correct 4 ms 7372 KB Output is correct
46 Correct 4 ms 7372 KB Output is correct
47 Correct 4 ms 7244 KB Output is correct
48 Correct 4 ms 7372 KB Output is correct
49 Correct 4 ms 7388 KB Output is correct
50 Correct 4 ms 7388 KB Output is correct
51 Correct 4 ms 7372 KB Output is correct
52 Correct 5 ms 7244 KB Output is correct
53 Correct 4 ms 7372 KB Output is correct
54 Correct 4 ms 7372 KB Output is correct
55 Correct 5 ms 7244 KB Output is correct
56 Correct 6 ms 7244 KB Output is correct
57 Correct 4 ms 7372 KB Output is correct
58 Correct 4 ms 7244 KB Output is correct
59 Correct 4 ms 7244 KB Output is correct
60 Correct 4 ms 7372 KB Output is correct
61 Correct 4 ms 7244 KB Output is correct
62 Correct 4 ms 7420 KB Output is correct
63 Correct 4 ms 7244 KB Output is correct
64 Correct 107 ms 15172 KB Output is correct
65 Correct 108 ms 15120 KB Output is correct
66 Correct 118 ms 15188 KB Output is correct
67 Correct 137 ms 15136 KB Output is correct
68 Correct 122 ms 15200 KB Output is correct
69 Correct 112 ms 15140 KB Output is correct
70 Correct 137 ms 15164 KB Output is correct
71 Correct 114 ms 15048 KB Output is correct
72 Correct 111 ms 15064 KB Output is correct
73 Correct 131 ms 26592 KB Output is correct
74 Correct 153 ms 26664 KB Output is correct
75 Correct 113 ms 16384 KB Output is correct
76 Correct 112 ms 16436 KB Output is correct
77 Correct 113 ms 15108 KB Output is correct
78 Correct 127 ms 15144 KB Output is correct
79 Correct 118 ms 15156 KB Output is correct
80 Correct 125 ms 15128 KB Output is correct
81 Correct 85 ms 15072 KB Output is correct
82 Correct 97 ms 15036 KB Output is correct
83 Correct 131 ms 20188 KB Output is correct
84 Correct 136 ms 22288 KB Output is correct
85 Correct 122 ms 21876 KB Output is correct
86 Correct 115 ms 16396 KB Output is correct
87 Correct 118 ms 15744 KB Output is correct
88 Correct 115 ms 15940 KB Output is correct
89 Correct 103 ms 15888 KB Output is correct
90 Correct 101 ms 15652 KB Output is correct
91 Correct 103 ms 15984 KB Output is correct
92 Correct 102 ms 16272 KB Output is correct
93 Correct 98 ms 18612 KB Output is correct
94 Correct 124 ms 20352 KB Output is correct
95 Correct 100 ms 18964 KB Output is correct
96 Correct 113 ms 17024 KB Output is correct
97 Correct 111 ms 15528 KB Output is correct
98 Correct 99 ms 15192 KB Output is correct
99 Correct 105 ms 15268 KB Output is correct
100 Correct 124 ms 17984 KB Output is correct
101 Correct 103 ms 15968 KB Output is correct
102 Correct 104 ms 15316 KB Output is correct
103 Correct 111 ms 15396 KB Output is correct
104 Correct 75 ms 15580 KB Output is correct
105 Correct 125 ms 23456 KB Output is correct
106 Correct 61 ms 15660 KB Output is correct
107 Correct 61 ms 15584 KB Output is correct
108 Correct 124 ms 27428 KB Output is correct
109 Correct 59 ms 15540 KB Output is correct
110 Correct 134 ms 27696 KB Output is correct
111 Correct 102 ms 15036 KB Output is correct