| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1050476 |
2024-08-09T10:02:36 Z |
n1k |
Power Plant (JOI20_power) |
C++17 |
|
128 ms |
35292 KB |
#include <bits/stdc++.h>
#if defined(LOCAL)
#include "debug.cpp"
#else
#define debug(x...) 0
#endif // LOCAL
using namespace std;
using ll = long long;
#define all(a) (a).begin(), (a).end()
void umax(ll &a, ll b){
a = max(a, b);
}
void solve(){
int n; cin >> n;
vector<vector<int>> g(n);
for(int i=0; i+1<n; i++){
int u, v; cin >> u >> v;
u--, v--;
g[u].push_back(v);
g[v].push_back(u);
}
string s; cin >> s;
// active, notactive, best
// active >= not active
ll best = 0;
vector<ll> active(n, -1e9);
function<void(int, int)> dfs = [&](int u, int p){
ll sum = 0, mx = 0;
for(int v:g[u]){
if(v==p){
continue;
}
dfs(v, u);
sum += active[v];
umax(mx, active[v]);
}
// activate or not activate
// activate
if(s[u]=='1'){
// not activate childs
umax(active[u], 1);
// not activate parents
umax(best, mx + 1);
}
// not activate
if(s[u]=='1'){
// broken
umax(active[u], sum - 1);
}else{
umax(active[u], sum);
}
debug(active[u]);
};
dfs(0, -1);
cout<<max(best, *max_element(active.begin(), active.end()))<<endl;
}
int main(){
solve();
return 0;
}
Compilation message
power.cpp: In lambda function:
power.cpp:6:21: warning: statement has no effect [-Wunused-value]
6 | #define debug(x...) 0
| ^
power.cpp:58:3: note: in expansion of macro 'debug'
58 | debug(active[u]);
| ^~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
436 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
604 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
440 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
436 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
604 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
440 KB |
Output is correct |
| 22 |
Correct |
2 ms |
348 KB |
Output is correct |
| 23 |
Correct |
1 ms |
416 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
560 KB |
Output is correct |
| 26 |
Correct |
1 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
604 KB |
Output is correct |
| 30 |
Correct |
1 ms |
604 KB |
Output is correct |
| 31 |
Correct |
1 ms |
560 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
1 ms |
344 KB |
Output is correct |
| 37 |
Correct |
1 ms |
344 KB |
Output is correct |
| 38 |
Correct |
1 ms |
348 KB |
Output is correct |
| 39 |
Correct |
2 ms |
604 KB |
Output is correct |
| 40 |
Correct |
1 ms |
604 KB |
Output is correct |
| 41 |
Correct |
1 ms |
604 KB |
Output is correct |
| 42 |
Correct |
1 ms |
604 KB |
Output is correct |
| 43 |
Correct |
1 ms |
604 KB |
Output is correct |
| 44 |
Correct |
1 ms |
604 KB |
Output is correct |
| 45 |
Correct |
1 ms |
604 KB |
Output is correct |
| 46 |
Correct |
1 ms |
604 KB |
Output is correct |
| 47 |
Correct |
1 ms |
604 KB |
Output is correct |
| 48 |
Correct |
1 ms |
604 KB |
Output is correct |
| 49 |
Correct |
1 ms |
704 KB |
Output is correct |
| 50 |
Correct |
2 ms |
604 KB |
Output is correct |
| 51 |
Correct |
1 ms |
604 KB |
Output is correct |
| 52 |
Correct |
1 ms |
560 KB |
Output is correct |
| 53 |
Correct |
1 ms |
604 KB |
Output is correct |
| 54 |
Correct |
1 ms |
604 KB |
Output is correct |
| 55 |
Correct |
2 ms |
604 KB |
Output is correct |
| 56 |
Correct |
1 ms |
604 KB |
Output is correct |
| 57 |
Correct |
1 ms |
604 KB |
Output is correct |
| 58 |
Correct |
2 ms |
604 KB |
Output is correct |
| 59 |
Correct |
1 ms |
600 KB |
Output is correct |
| 60 |
Correct |
1 ms |
604 KB |
Output is correct |
| 61 |
Correct |
1 ms |
348 KB |
Output is correct |
| 62 |
Correct |
1 ms |
604 KB |
Output is correct |
| 63 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
0 ms |
348 KB |
Output is correct |
| 2 |
Correct |
0 ms |
348 KB |
Output is correct |
| 3 |
Correct |
0 ms |
348 KB |
Output is correct |
| 4 |
Correct |
0 ms |
348 KB |
Output is correct |
| 5 |
Correct |
0 ms |
436 KB |
Output is correct |
| 6 |
Correct |
0 ms |
344 KB |
Output is correct |
| 7 |
Correct |
1 ms |
344 KB |
Output is correct |
| 8 |
Correct |
0 ms |
348 KB |
Output is correct |
| 9 |
Correct |
0 ms |
348 KB |
Output is correct |
| 10 |
Correct |
0 ms |
348 KB |
Output is correct |
| 11 |
Correct |
0 ms |
348 KB |
Output is correct |
| 12 |
Correct |
0 ms |
348 KB |
Output is correct |
| 13 |
Correct |
0 ms |
348 KB |
Output is correct |
| 14 |
Correct |
0 ms |
348 KB |
Output is correct |
| 15 |
Correct |
0 ms |
348 KB |
Output is correct |
| 16 |
Correct |
0 ms |
348 KB |
Output is correct |
| 17 |
Correct |
0 ms |
348 KB |
Output is correct |
| 18 |
Correct |
0 ms |
348 KB |
Output is correct |
| 19 |
Correct |
0 ms |
604 KB |
Output is correct |
| 20 |
Correct |
0 ms |
348 KB |
Output is correct |
| 21 |
Correct |
0 ms |
440 KB |
Output is correct |
| 22 |
Correct |
2 ms |
348 KB |
Output is correct |
| 23 |
Correct |
1 ms |
416 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
560 KB |
Output is correct |
| 26 |
Correct |
1 ms |
348 KB |
Output is correct |
| 27 |
Correct |
1 ms |
348 KB |
Output is correct |
| 28 |
Correct |
1 ms |
348 KB |
Output is correct |
| 29 |
Correct |
1 ms |
604 KB |
Output is correct |
| 30 |
Correct |
1 ms |
604 KB |
Output is correct |
| 31 |
Correct |
1 ms |
560 KB |
Output is correct |
| 32 |
Correct |
1 ms |
348 KB |
Output is correct |
| 33 |
Correct |
1 ms |
348 KB |
Output is correct |
| 34 |
Correct |
1 ms |
348 KB |
Output is correct |
| 35 |
Correct |
1 ms |
348 KB |
Output is correct |
| 36 |
Correct |
1 ms |
344 KB |
Output is correct |
| 37 |
Correct |
1 ms |
344 KB |
Output is correct |
| 38 |
Correct |
1 ms |
348 KB |
Output is correct |
| 39 |
Correct |
2 ms |
604 KB |
Output is correct |
| 40 |
Correct |
1 ms |
604 KB |
Output is correct |
| 41 |
Correct |
1 ms |
604 KB |
Output is correct |
| 42 |
Correct |
1 ms |
604 KB |
Output is correct |
| 43 |
Correct |
1 ms |
604 KB |
Output is correct |
| 44 |
Correct |
1 ms |
604 KB |
Output is correct |
| 45 |
Correct |
1 ms |
604 KB |
Output is correct |
| 46 |
Correct |
1 ms |
604 KB |
Output is correct |
| 47 |
Correct |
1 ms |
604 KB |
Output is correct |
| 48 |
Correct |
1 ms |
604 KB |
Output is correct |
| 49 |
Correct |
1 ms |
704 KB |
Output is correct |
| 50 |
Correct |
2 ms |
604 KB |
Output is correct |
| 51 |
Correct |
1 ms |
604 KB |
Output is correct |
| 52 |
Correct |
1 ms |
560 KB |
Output is correct |
| 53 |
Correct |
1 ms |
604 KB |
Output is correct |
| 54 |
Correct |
1 ms |
604 KB |
Output is correct |
| 55 |
Correct |
2 ms |
604 KB |
Output is correct |
| 56 |
Correct |
1 ms |
604 KB |
Output is correct |
| 57 |
Correct |
1 ms |
604 KB |
Output is correct |
| 58 |
Correct |
2 ms |
604 KB |
Output is correct |
| 59 |
Correct |
1 ms |
600 KB |
Output is correct |
| 60 |
Correct |
1 ms |
604 KB |
Output is correct |
| 61 |
Correct |
1 ms |
348 KB |
Output is correct |
| 62 |
Correct |
1 ms |
604 KB |
Output is correct |
| 63 |
Correct |
1 ms |
348 KB |
Output is correct |
| 64 |
Correct |
98 ms |
16096 KB |
Output is correct |
| 65 |
Correct |
88 ms |
16056 KB |
Output is correct |
| 66 |
Correct |
88 ms |
16100 KB |
Output is correct |
| 67 |
Correct |
95 ms |
16004 KB |
Output is correct |
| 68 |
Correct |
91 ms |
16104 KB |
Output is correct |
| 69 |
Correct |
89 ms |
16096 KB |
Output is correct |
| 70 |
Correct |
96 ms |
16100 KB |
Output is correct |
| 71 |
Correct |
86 ms |
15968 KB |
Output is correct |
| 72 |
Correct |
102 ms |
15952 KB |
Output is correct |
| 73 |
Correct |
96 ms |
33760 KB |
Output is correct |
| 74 |
Correct |
128 ms |
33584 KB |
Output is correct |
| 75 |
Correct |
92 ms |
15844 KB |
Output is correct |
| 76 |
Correct |
91 ms |
15840 KB |
Output is correct |
| 77 |
Correct |
99 ms |
15972 KB |
Output is correct |
| 78 |
Correct |
93 ms |
15864 KB |
Output is correct |
| 79 |
Correct |
87 ms |
15840 KB |
Output is correct |
| 80 |
Correct |
94 ms |
15840 KB |
Output is correct |
| 81 |
Correct |
85 ms |
16332 KB |
Output is correct |
| 82 |
Correct |
87 ms |
16080 KB |
Output is correct |
| 83 |
Correct |
89 ms |
23272 KB |
Output is correct |
| 84 |
Correct |
103 ms |
26080 KB |
Output is correct |
| 85 |
Correct |
91 ms |
25680 KB |
Output is correct |
| 86 |
Correct |
104 ms |
18200 KB |
Output is correct |
| 87 |
Correct |
91 ms |
17112 KB |
Output is correct |
| 88 |
Correct |
90 ms |
17380 KB |
Output is correct |
| 89 |
Correct |
122 ms |
17524 KB |
Output is correct |
| 90 |
Correct |
104 ms |
17380 KB |
Output is correct |
| 91 |
Correct |
89 ms |
17632 KB |
Output is correct |
| 92 |
Correct |
90 ms |
17896 KB |
Output is correct |
| 93 |
Correct |
88 ms |
21424 KB |
Output is correct |
| 94 |
Correct |
94 ms |
24012 KB |
Output is correct |
| 95 |
Correct |
96 ms |
22112 KB |
Output is correct |
| 96 |
Correct |
85 ms |
19424 KB |
Output is correct |
| 97 |
Correct |
83 ms |
17392 KB |
Output is correct |
| 98 |
Correct |
83 ms |
16608 KB |
Output is correct |
| 99 |
Correct |
94 ms |
16208 KB |
Output is correct |
| 100 |
Correct |
92 ms |
20788 KB |
Output is correct |
| 101 |
Correct |
110 ms |
17892 KB |
Output is correct |
| 102 |
Correct |
86 ms |
16872 KB |
Output is correct |
| 103 |
Correct |
100 ms |
16612 KB |
Output is correct |
| 104 |
Correct |
87 ms |
16856 KB |
Output is correct |
| 105 |
Correct |
95 ms |
29152 KB |
Output is correct |
| 106 |
Correct |
72 ms |
16584 KB |
Output is correct |
| 107 |
Correct |
75 ms |
16580 KB |
Output is correct |
| 108 |
Correct |
99 ms |
34784 KB |
Output is correct |
| 109 |
Correct |
75 ms |
16836 KB |
Output is correct |
| 110 |
Correct |
102 ms |
35292 KB |
Output is correct |
| 111 |
Correct |
87 ms |
15840 KB |
Output is correct |
