oj.uz

Submission #553365

# Submission time Handle Problem Language Result Execution time Memory
553365 2022-04-25T15:00:03 Z cheetose Power Plant (JOI20_power) C++17
100 / 100
 193 ms 27848 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a))
#define MEM_1(a) memset((a),-1,sizeof(a))
#define ALL(a) a.begin(),a.end()
#define COMPRESS(a) sort(ALL(a));a.resize(unique(ALL(a))-a.begin())
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<ld> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const int MOD = 1000000007;
ll POW(ll a, ll b, ll MMM = MOD) { ll ret = 1; for (; b; b >>= 1, a = (a*a) % MMM)if (b & 1)ret = (ret*a) % MMM; return ret; }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };
int ddx[] = { -1,-2,1,-2,2,-1,2,1 }, ddy[] = { -2,-1,-2,1,-1,2,1,2 };

char s[200005];
Vi v[200005];
int ans;
int dfs(int N,int p=-1){
	int res=0;
	for(int next:v[N]){
		if(next==p)continue;
		int t=dfs(next,N);
		if(s[N]=='1')ans=max(ans,t+1);
		res+=t;
	}
	if(s[N]=='1'){
		res=max(1,res-1);
	}
	ans=max(ans,res);
	return res;
}
int main(){
	int n;
	scanf("%d",&n);
	fup(i,1,n-1,1){
		int x,y;
		scanf("%d%d",&x,&y);
		v[x].pb(y);
		v[y].pb(x);
	}
	scanf("%s",s+1);
	dfs(1);
	printf("%d\n",ans);
}

Compilation message

power.cpp: In function 'int main()':
power.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
   10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
      |                              ^
power.cpp:63:2: note: in expansion of macro 'fup'
   63 |  fup(i,1,n-1,1){
      |  ^~~
power.cpp:62:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
power.cpp:65:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   65 |   scanf("%d%d",&x,&y);
      |   ~~~~~^~~~~~~~~~~~~~
power.cpp:69:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   69 |  scanf("%s",s+1);
      |  ~~~~~^~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5004 KB Output is correct
2 Correct 4 ms 5000 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5000 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 4 ms 4948 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 3 ms 5008 KB Output is correct
18 Correct 4 ms 4948 KB Output is correct
19 Correct 3 ms 4900 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5004 KB Output is correct
2 Correct 4 ms 5000 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5000 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 4 ms 4948 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 3 ms 5008 KB Output is correct
18 Correct 4 ms 4948 KB Output is correct
19 Correct 3 ms 4900 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5016 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 5 ms 5204 KB Output is correct
30 Correct 4 ms 5148 KB Output is correct
31 Correct 4 ms 5020 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 4 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5020 KB Output is correct
36 Correct 5 ms 5072 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 4 ms 5144 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 4 ms 5148 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 3 ms 5012 KB Output is correct
44 Correct 4 ms 5076 KB Output is correct
45 Correct 5 ms 5076 KB Output is correct
46 Correct 5 ms 5076 KB Output is correct
47 Correct 5 ms 5016 KB Output is correct
48 Correct 4 ms 5076 KB Output is correct
49 Correct 4 ms 5140 KB Output is correct
50 Correct 5 ms 5012 KB Output is correct
51 Correct 4 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 4 ms 5012 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 4 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5012 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 4 ms 5076 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 4 ms 5076 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct

Subtask #3
53.0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 5004 KB Output is correct
2 Correct 4 ms 5000 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5000 KB Output is correct
6 Correct 3 ms 5076 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 5076 KB Output is correct
15 Correct 4 ms 4948 KB Output is correct
16 Correct 3 ms 4952 KB Output is correct
17 Correct 3 ms 5008 KB Output is correct
18 Correct 4 ms 4948 KB Output is correct
19 Correct 3 ms 4900 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5076 KB Output is correct
23 Correct 3 ms 5076 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 4 ms 5076 KB Output is correct
26 Correct 4 ms 5016 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 4 ms 5076 KB Output is correct
29 Correct 5 ms 5204 KB Output is correct
30 Correct 4 ms 5148 KB Output is correct
31 Correct 4 ms 5020 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 4 ms 5076 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5020 KB Output is correct
36 Correct 5 ms 5072 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 4 ms 5144 KB Output is correct
40 Correct 4 ms 5076 KB Output is correct
41 Correct 4 ms 5148 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 3 ms 5012 KB Output is correct
44 Correct 4 ms 5076 KB Output is correct
45 Correct 5 ms 5076 KB Output is correct
46 Correct 5 ms 5076 KB Output is correct
47 Correct 5 ms 5016 KB Output is correct
48 Correct 4 ms 5076 KB Output is correct
49 Correct 4 ms 5140 KB Output is correct
50 Correct 5 ms 5012 KB Output is correct
51 Correct 4 ms 5076 KB Output is correct
52 Correct 3 ms 5076 KB Output is correct
53 Correct 4 ms 5012 KB Output is correct
54 Correct 3 ms 5076 KB Output is correct
55 Correct 4 ms 5076 KB Output is correct
56 Correct 3 ms 5076 KB Output is correct
57 Correct 3 ms 5204 KB Output is correct
58 Correct 3 ms 5012 KB Output is correct
59 Correct 3 ms 5076 KB Output is correct
60 Correct 4 ms 5076 KB Output is correct
61 Correct 3 ms 5076 KB Output is correct
62 Correct 4 ms 5076 KB Output is correct
63 Correct 4 ms 5076 KB Output is correct
64 Correct 137 ms 14156 KB Output is correct
65 Correct 168 ms 14264 KB Output is correct
66 Correct 119 ms 14264 KB Output is correct
67 Correct 120 ms 14352 KB Output is correct
68 Correct 124 ms 14236 KB Output is correct
69 Correct 145 ms 14152 KB Output is correct
70 Correct 137 ms 14344 KB Output is correct
71 Correct 124 ms 14172 KB Output is correct
72 Correct 125 ms 14212 KB Output is correct
73 Correct 176 ms 26788 KB Output is correct
74 Correct 188 ms 26776 KB Output is correct
75 Correct 134 ms 14064 KB Output is correct
76 Correct 125 ms 14156 KB Output is correct
77 Correct 186 ms 14112 KB Output is correct
78 Correct 153 ms 14028 KB Output is correct
79 Correct 126 ms 14096 KB Output is correct
80 Correct 124 ms 14136 KB Output is correct
81 Correct 123 ms 14480 KB Output is correct
82 Correct 136 ms 14364 KB Output is correct
83 Correct 132 ms 19432 KB Output is correct
84 Correct 141 ms 21440 KB Output is correct
85 Correct 172 ms 21068 KB Output is correct
86 Correct 142 ms 15516 KB Output is correct
87 Correct 123 ms 14976 KB Output is correct
88 Correct 133 ms 15388 KB Output is correct
89 Correct 167 ms 15524 KB Output is correct
90 Correct 119 ms 15288 KB Output is correct
91 Correct 131 ms 15520 KB Output is correct
92 Correct 115 ms 15784 KB Output is correct
93 Correct 114 ms 18148 KB Output is correct
94 Correct 157 ms 19900 KB Output is correct
95 Correct 136 ms 18624 KB Output is correct
96 Correct 127 ms 16852 KB Output is correct
97 Correct 136 ms 15308 KB Output is correct
98 Correct 118 ms 14832 KB Output is correct
99 Correct 123 ms 14612 KB Output is correct
100 Correct 143 ms 17760 KB Output is correct
101 Correct 174 ms 15708 KB Output is correct
102 Correct 116 ms 14940 KB Output is correct
103 Correct 119 ms 14848 KB Output is correct
104 Correct 110 ms 14944 KB Output is correct
105 Correct 193 ms 23580 KB Output is correct
106 Correct 90 ms 14848 KB Output is correct
107 Correct 93 ms 14776 KB Output is correct
108 Correct 163 ms 27528 KB Output is correct
109 Correct 94 ms 15020 KB Output is correct
110 Correct 170 ms 27848 KB Output is correct
111 Correct 140 ms 14112 KB Output is correct