oj.uz

Submission #314271

# Submission time Handle Problem Language Result Execution time Memory
314271 2020-10-19T10:13:40 Z mat_v Power Plant (JOI20_power) C++14
100 / 100
 201 ms 27704 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>

#define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
#define fb(i,a,b) for(int (i) = (a); (i) >= (b); --(i))
#define mod 998244353
#define xx first
#define yy second
#define all(a) (a).begin(), (a).end()
#define pb push_back
#define ll long long
#define pii pair<int,int>


using namespace std;
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>,rb_tree_tag, tree_order_statistics_node_update> ordered_set;/// find_by_order(x)(x+1th) , order_of_key() (strictly less)
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());


int n;
int niz[200005];
vector<int> graf[200005];
int dp[200005];
bool bio[200005];
int cale[200005];

int solve(int x, int y){
    //if(bio[x])return dp[x];
    //bio[x] = 1;
    cale[x] = y;
    int tmp = 0;
    for(auto c:graf[x]){
        if(c == y)continue;
        tmp += solve(c, x);
    }
    dp[x] = tmp - niz[x];
    dp[x] = max(dp[x], niz[x]);
    return dp[x];
}


int main()
{

    ios_base::sync_with_stdio(false); cin.tie(0);

    cin >> n;
    ff(i,1,n - 1){
        int a,b;
        cin >> a >> b;
        graf[a].pb(b);
        graf[b].pb(a);
    }

    string s;
    cin >> s;
    ff(i,0,n - 1)niz[i + 1] = (s[i] - '0');

    int ans = solve(1, -1);
    ff(i,1,n){
        ans = max(ans, dp[i]);
        for(auto c:graf[i]){
            if(c == cale[i])continue;
            ans = max(ans, dp[c] + niz[i]);
        }
    }
    cout << ans << "\n";
    return 0;
}

Compilation message

power.cpp: In function 'int main()':
power.cpp:6:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    6 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
power.cpp:51:5: note: in expansion of macro 'ff'
   51 |     ff(i,1,n - 1){
      |     ^~
power.cpp:6:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    6 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
power.cpp:60:5: note: in expansion of macro 'ff'
   60 |     ff(i,0,n - 1)niz[i + 1] = (s[i] - '0');
      |     ^~
power.cpp:6:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    6 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
power.cpp:63:5: note: in expansion of macro 'ff'
   63 |     ff(i,1,n){
      |     ^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 5 ms 5120 KB Output is correct
23 Correct 4 ms 5120 KB Output is correct
24 Correct 4 ms 5120 KB Output is correct
25 Correct 5 ms 5120 KB Output is correct
26 Correct 4 ms 5120 KB Output is correct
27 Correct 4 ms 5120 KB Output is correct
28 Correct 4 ms 5120 KB Output is correct
29 Correct 4 ms 5248 KB Output is correct
30 Correct 4 ms 5248 KB Output is correct
31 Correct 4 ms 5120 KB Output is correct
32 Correct 5 ms 5120 KB Output is correct
33 Correct 4 ms 5120 KB Output is correct
34 Correct 4 ms 5120 KB Output is correct
35 Correct 5 ms 5120 KB Output is correct
36 Correct 5 ms 5120 KB Output is correct
37 Correct 5 ms 5248 KB Output is correct
38 Correct 5 ms 5120 KB Output is correct
39 Correct 5 ms 5248 KB Output is correct
40 Correct 5 ms 5120 KB Output is correct
41 Correct 5 ms 5248 KB Output is correct
42 Correct 4 ms 5120 KB Output is correct
43 Correct 5 ms 5120 KB Output is correct
44 Correct 4 ms 5248 KB Output is correct
45 Correct 5 ms 5120 KB Output is correct
46 Correct 4 ms 5120 KB Output is correct
47 Correct 5 ms 5120 KB Output is correct
48 Correct 5 ms 5248 KB Output is correct
49 Correct 5 ms 5248 KB Output is correct
50 Correct 5 ms 5248 KB Output is correct
51 Correct 4 ms 5248 KB Output is correct
52 Correct 5 ms 5120 KB Output is correct
53 Correct 5 ms 5120 KB Output is correct
54 Correct 4 ms 5120 KB Output is correct
55 Correct 4 ms 5120 KB Output is correct
56 Correct 4 ms 5120 KB Output is correct
57 Correct 5 ms 5248 KB Output is correct
58 Correct 5 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 4 ms 5120 KB Output is correct
62 Correct 4 ms 5248 KB Output is correct
63 Correct 5 ms 5120 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4992 KB Output is correct
2 Correct 4 ms 4992 KB Output is correct
3 Correct 4 ms 4992 KB Output is correct
4 Correct 4 ms 4992 KB Output is correct
5 Correct 4 ms 4992 KB Output is correct
6 Correct 4 ms 4992 KB Output is correct
7 Correct 4 ms 4992 KB Output is correct
8 Correct 4 ms 4992 KB Output is correct
9 Correct 4 ms 5120 KB Output is correct
10 Correct 4 ms 4992 KB Output is correct
11 Correct 4 ms 4992 KB Output is correct
12 Correct 4 ms 4992 KB Output is correct
13 Correct 3 ms 4992 KB Output is correct
14 Correct 4 ms 4992 KB Output is correct
15 Correct 4 ms 4992 KB Output is correct
16 Correct 4 ms 4992 KB Output is correct
17 Correct 4 ms 4992 KB Output is correct
18 Correct 4 ms 4992 KB Output is correct
19 Correct 4 ms 4992 KB Output is correct
20 Correct 4 ms 4992 KB Output is correct
21 Correct 4 ms 4992 KB Output is correct
22 Correct 5 ms 5120 KB Output is correct
23 Correct 4 ms 5120 KB Output is correct
24 Correct 4 ms 5120 KB Output is correct
25 Correct 5 ms 5120 KB Output is correct
26 Correct 4 ms 5120 KB Output is correct
27 Correct 4 ms 5120 KB Output is correct
28 Correct 4 ms 5120 KB Output is correct
29 Correct 4 ms 5248 KB Output is correct
30 Correct 4 ms 5248 KB Output is correct
31 Correct 4 ms 5120 KB Output is correct
32 Correct 5 ms 5120 KB Output is correct
33 Correct 4 ms 5120 KB Output is correct
34 Correct 4 ms 5120 KB Output is correct
35 Correct 5 ms 5120 KB Output is correct
36 Correct 5 ms 5120 KB Output is correct
37 Correct 5 ms 5248 KB Output is correct
38 Correct 5 ms 5120 KB Output is correct
39 Correct 5 ms 5248 KB Output is correct
40 Correct 5 ms 5120 KB Output is correct
41 Correct 5 ms 5248 KB Output is correct
42 Correct 4 ms 5120 KB Output is correct
43 Correct 5 ms 5120 KB Output is correct
44 Correct 4 ms 5248 KB Output is correct
45 Correct 5 ms 5120 KB Output is correct
46 Correct 4 ms 5120 KB Output is correct
47 Correct 5 ms 5120 KB Output is correct
48 Correct 5 ms 5248 KB Output is correct
49 Correct 5 ms 5248 KB Output is correct
50 Correct 5 ms 5248 KB Output is correct
51 Correct 4 ms 5248 KB Output is correct
52 Correct 5 ms 5120 KB Output is correct
53 Correct 5 ms 5120 KB Output is correct
54 Correct 4 ms 5120 KB Output is correct
55 Correct 4 ms 5120 KB Output is correct
56 Correct 4 ms 5120 KB Output is correct
57 Correct 5 ms 5248 KB Output is correct
58 Correct 5 ms 5120 KB Output is correct
59 Correct 4 ms 5120 KB Output is correct
60 Correct 4 ms 5248 KB Output is correct
61 Correct 4 ms 5120 KB Output is correct
62 Correct 4 ms 5248 KB Output is correct
63 Correct 5 ms 5120 KB Output is correct
64 Correct 180 ms 16864 KB Output is correct
65 Correct 180 ms 16824 KB Output is correct
66 Correct 182 ms 16804 KB Output is correct
67 Correct 186 ms 16796 KB Output is correct
68 Correct 176 ms 16804 KB Output is correct
69 Correct 179 ms 16820 KB Output is correct
70 Correct 184 ms 16744 KB Output is correct
71 Correct 178 ms 16784 KB Output is correct
72 Correct 177 ms 16820 KB Output is correct
73 Correct 196 ms 26832 KB Output is correct
74 Correct 195 ms 26808 KB Output is correct
75 Correct 176 ms 16696 KB Output is correct
76 Correct 172 ms 16720 KB Output is correct
77 Correct 188 ms 16692 KB Output is correct
78 Correct 186 ms 16756 KB Output is correct
79 Correct 185 ms 16700 KB Output is correct
80 Correct 184 ms 16696 KB Output is correct
81 Correct 145 ms 17140 KB Output is correct
82 Correct 164 ms 16888 KB Output is correct
83 Correct 187 ms 20924 KB Output is correct
84 Correct 191 ms 22596 KB Output is correct
85 Correct 187 ms 22340 KB Output is correct
86 Correct 179 ms 17848 KB Output is correct
87 Correct 176 ms 17468 KB Output is correct
88 Correct 163 ms 17908 KB Output is correct
89 Correct 167 ms 17864 KB Output is correct
90 Correct 180 ms 17824 KB Output is correct
91 Correct 169 ms 17948 KB Output is correct
92 Correct 170 ms 18228 KB Output is correct
93 Correct 167 ms 20100 KB Output is correct
94 Correct 166 ms 21616 KB Output is correct
95 Correct 153 ms 20336 KB Output is correct
96 Correct 166 ms 18980 KB Output is correct
97 Correct 167 ms 17684 KB Output is correct
98 Correct 159 ms 17512 KB Output is correct
99 Correct 168 ms 17204 KB Output is correct
100 Correct 162 ms 19808 KB Output is correct
101 Correct 170 ms 18228 KB Output is correct
102 Correct 158 ms 17540 KB Output is correct
103 Correct 173 ms 17368 KB Output is correct
104 Correct 101 ms 17644 KB Output is correct
105 Correct 201 ms 24376 KB Output is correct
106 Correct 99 ms 17516 KB Output is correct
107 Correct 104 ms 17508 KB Output is correct
108 Correct 198 ms 27576 KB Output is correct
109 Correct 100 ms 17644 KB Output is correct
110 Correct 198 ms 27704 KB Output is correct
111 Correct 164 ms 16712 KB Output is correct