| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 412441 |
2021-05-26T22:06:54 Z |
CSQ31 |
Power Plant (JOI20_power) |
C++14 |
|
183 ms |
29652 KB |
#pragma GCC optimize("Ofast")
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define MOD (ll)(1e8)
#define INF (ll)(1e18)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
ll gcd(ll a,ll b){if(!b)return a;else return gcd(b,a%b);}
const int MAXN = 2e5+5;
ll ans = 0;
vector<ll>dp(MAXN);
vii adj(MAXN);
string s;
void dfs(int v,int u){
dp[v] = (s[v]=='1');
ll mx = 0,sum =0;
for(int x:adj[v]){
if(x == u)continue;
dfs(x,v);
mx = max(mx,dp[x]);
sum+=dp[x];
}
if(s[v] == '1')ans = max(ans,mx+1);
dp[v] = max(dp[v],sum-dp[v]);
ans = max(ans,dp[v]);
}
int main()
{
owo
int n;
cin>>n;
for(int i=1;i<n;i++){
int v,u;
cin>>v>>u;
v--;
u--;
adj[v].pb(u);
adj[u].pb(v);
}
cin>>s;
dfs(0,-1);
cout<<ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 2 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 3 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 4 |
Correct |
4 ms |
6584 KB |
Output is correct |
| 5 |
Correct |
4 ms |
6592 KB |
Output is correct |
| 6 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 7 |
Correct |
4 ms |
6588 KB |
Output is correct |
| 8 |
Correct |
5 ms |
6584 KB |
Output is correct |
| 9 |
Correct |
4 ms |
6588 KB |
Output is correct |
| 10 |
Correct |
4 ms |
6560 KB |
Output is correct |
| 11 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 12 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 13 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 14 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 15 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 16 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 17 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 18 |
Correct |
4 ms |
6592 KB |
Output is correct |
| 19 |
Correct |
4 ms |
6540 KB |
Output is correct |
| 20 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 21 |
Correct |
4 ms |
6476 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 2 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 3 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 4 |
Correct |
4 ms |
6584 KB |
Output is correct |
| 5 |
Correct |
4 ms |
6592 KB |
Output is correct |
| 6 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 7 |
Correct |
4 ms |
6588 KB |
Output is correct |
| 8 |
Correct |
5 ms |
6584 KB |
Output is correct |
| 9 |
Correct |
4 ms |
6588 KB |
Output is correct |
| 10 |
Correct |
4 ms |
6560 KB |
Output is correct |
| 11 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 12 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 13 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 14 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 15 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 16 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 17 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 18 |
Correct |
4 ms |
6592 KB |
Output is correct |
| 19 |
Correct |
4 ms |
6540 KB |
Output is correct |
| 20 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 21 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 22 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 23 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 24 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 25 |
Correct |
5 ms |
6600 KB |
Output is correct |
| 26 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 27 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 28 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 29 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 30 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 31 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 32 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 33 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 34 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 35 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 36 |
Correct |
5 ms |
6596 KB |
Output is correct |
| 37 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 38 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 39 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 40 |
Correct |
6 ms |
6604 KB |
Output is correct |
| 41 |
Correct |
5 ms |
6796 KB |
Output is correct |
| 42 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 43 |
Correct |
5 ms |
6596 KB |
Output is correct |
| 44 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 45 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 46 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 47 |
Correct |
5 ms |
6596 KB |
Output is correct |
| 48 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 49 |
Correct |
5 ms |
6700 KB |
Output is correct |
| 50 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 51 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 52 |
Correct |
5 ms |
6648 KB |
Output is correct |
| 53 |
Correct |
5 ms |
6600 KB |
Output is correct |
| 54 |
Correct |
5 ms |
6680 KB |
Output is correct |
| 55 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 56 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 57 |
Correct |
5 ms |
6728 KB |
Output is correct |
| 58 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 59 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 60 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 61 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 62 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 63 |
Correct |
5 ms |
6604 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 2 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 3 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 4 |
Correct |
4 ms |
6584 KB |
Output is correct |
| 5 |
Correct |
4 ms |
6592 KB |
Output is correct |
| 6 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 7 |
Correct |
4 ms |
6588 KB |
Output is correct |
| 8 |
Correct |
5 ms |
6584 KB |
Output is correct |
| 9 |
Correct |
4 ms |
6588 KB |
Output is correct |
| 10 |
Correct |
4 ms |
6560 KB |
Output is correct |
| 11 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 12 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 13 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 14 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 15 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 16 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 17 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 18 |
Correct |
4 ms |
6592 KB |
Output is correct |
| 19 |
Correct |
4 ms |
6540 KB |
Output is correct |
| 20 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 21 |
Correct |
4 ms |
6476 KB |
Output is correct |
| 22 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 23 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 24 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 25 |
Correct |
5 ms |
6600 KB |
Output is correct |
| 26 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 27 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 28 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 29 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 30 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 31 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 32 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 33 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 34 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 35 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 36 |
Correct |
5 ms |
6596 KB |
Output is correct |
| 37 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 38 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 39 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 40 |
Correct |
6 ms |
6604 KB |
Output is correct |
| 41 |
Correct |
5 ms |
6796 KB |
Output is correct |
| 42 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 43 |
Correct |
5 ms |
6596 KB |
Output is correct |
| 44 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 45 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 46 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 47 |
Correct |
5 ms |
6596 KB |
Output is correct |
| 48 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 49 |
Correct |
5 ms |
6700 KB |
Output is correct |
| 50 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 51 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 52 |
Correct |
5 ms |
6648 KB |
Output is correct |
| 53 |
Correct |
5 ms |
6600 KB |
Output is correct |
| 54 |
Correct |
5 ms |
6680 KB |
Output is correct |
| 55 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 56 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 57 |
Correct |
5 ms |
6728 KB |
Output is correct |
| 58 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 59 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 60 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 61 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 62 |
Correct |
5 ms |
6732 KB |
Output is correct |
| 63 |
Correct |
5 ms |
6604 KB |
Output is correct |
| 64 |
Correct |
146 ms |
16076 KB |
Output is correct |
| 65 |
Correct |
146 ms |
15988 KB |
Output is correct |
| 66 |
Correct |
148 ms |
16120 KB |
Output is correct |
| 67 |
Correct |
162 ms |
16080 KB |
Output is correct |
| 68 |
Correct |
146 ms |
16108 KB |
Output is correct |
| 69 |
Correct |
141 ms |
15984 KB |
Output is correct |
| 70 |
Correct |
167 ms |
16056 KB |
Output is correct |
| 71 |
Correct |
156 ms |
15976 KB |
Output is correct |
| 72 |
Correct |
147 ms |
16036 KB |
Output is correct |
| 73 |
Correct |
162 ms |
28556 KB |
Output is correct |
| 74 |
Correct |
182 ms |
28424 KB |
Output is correct |
| 75 |
Correct |
142 ms |
15912 KB |
Output is correct |
| 76 |
Correct |
152 ms |
15992 KB |
Output is correct |
| 77 |
Correct |
155 ms |
16012 KB |
Output is correct |
| 78 |
Correct |
157 ms |
16052 KB |
Output is correct |
| 79 |
Correct |
155 ms |
15976 KB |
Output is correct |
| 80 |
Correct |
183 ms |
16012 KB |
Output is correct |
| 81 |
Correct |
130 ms |
16224 KB |
Output is correct |
| 82 |
Correct |
142 ms |
16116 KB |
Output is correct |
| 83 |
Correct |
162 ms |
20996 KB |
Output is correct |
| 84 |
Correct |
156 ms |
23188 KB |
Output is correct |
| 85 |
Correct |
172 ms |
22808 KB |
Output is correct |
| 86 |
Correct |
154 ms |
17380 KB |
Output is correct |
| 87 |
Correct |
147 ms |
16676 KB |
Output is correct |
| 88 |
Correct |
155 ms |
17176 KB |
Output is correct |
| 89 |
Correct |
148 ms |
17212 KB |
Output is correct |
| 90 |
Correct |
160 ms |
17040 KB |
Output is correct |
| 91 |
Correct |
153 ms |
17124 KB |
Output is correct |
| 92 |
Correct |
154 ms |
17648 KB |
Output is correct |
| 93 |
Correct |
148 ms |
19800 KB |
Output is correct |
| 94 |
Correct |
146 ms |
21668 KB |
Output is correct |
| 95 |
Correct |
130 ms |
20312 KB |
Output is correct |
| 96 |
Correct |
145 ms |
18476 KB |
Output is correct |
| 97 |
Correct |
138 ms |
16952 KB |
Output is correct |
| 98 |
Correct |
165 ms |
16460 KB |
Output is correct |
| 99 |
Correct |
145 ms |
16344 KB |
Output is correct |
| 100 |
Correct |
145 ms |
19440 KB |
Output is correct |
| 101 |
Correct |
167 ms |
17512 KB |
Output is correct |
| 102 |
Correct |
129 ms |
16708 KB |
Output is correct |
| 103 |
Correct |
134 ms |
16560 KB |
Output is correct |
| 104 |
Correct |
101 ms |
16768 KB |
Output is correct |
| 105 |
Correct |
172 ms |
25400 KB |
Output is correct |
| 106 |
Correct |
86 ms |
16700 KB |
Output is correct |
| 107 |
Correct |
84 ms |
16704 KB |
Output is correct |
| 108 |
Correct |
171 ms |
29340 KB |
Output is correct |
| 109 |
Correct |
116 ms |
16792 KB |
Output is correct |
| 110 |
Correct |
170 ms |
29652 KB |
Output is correct |
| 111 |
Correct |
135 ms |
15880 KB |
Output is correct |
