Submission #365155

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
365155	2021-02-11 03:49:53	ronnith	Power Plant (JOI20_power)	C++14	6 / 100	27 ms	492 KiB

power

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#include <bits/stdc++.h>
using namespace std;
const int N = 16;
int n, mr[N], sz[N];
vector<int> adj[N];
string s;
void dfs1(int x, int pr) {
  sz[x] = (mr[x] == 1 && s[x] == '1'); 
  for(auto e : adj[x]) {
    if(e != pr) {
      dfs1(e, x);
      sz[x] += sz[e];
    }
  }
}
int res = 0;
void dfs2(int x, int pr) {
  int cnt = (sz[0] - sz[x] > 0);
  for(auto e : adj[x]) {
    if(e != pr) {
      cnt += (sz[e] > 0);
      dfs2(e, x);
    }
  }
  if(s[x] == '1' && mr[x] && !(cnt > 1)) res ++;
 
 
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Compilation message (stderr)

power.cpp: In function 'int main()':
power.cpp:49:6: warning: variable 'ans_mask' set but not used [-Wunused-but-set-variable]
   49 |  int ans_mask = -1;
      |      ^~~~~~~~

• Subtask 1: 6 / 6
• Subtask 2: 0 / 41
• Subtask 3: 0 / 53