Submission #292920

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
292920	2020-09-07 14:48:47	arnold518	Power Plant (JOI20_power)	C++14	100 / 100	311 ms	28536 KiB

power

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2e5;
int N;
vector<int> adj[MAXN+10];
int T[MAXN+10];
int ans=0;
int dp[MAXN+10];
void dfs(int now, int bef)
{
  dp[now]=0;
  for(int nxt : adj[now])
  {
    if(nxt==bef) continue;
    dfs(nxt, now);
    if(T[nxt]) dp[now]+=max(1, dp[nxt]-1);
    else dp[now]+=dp[nxt];
  }
}
void dfs2(int now, int bef)
{
 
 
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Compilation message (stderr)

power.cpp: In function 'int main()':
power.cpp:61:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   61 |  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", &u, &v);
      |   ~~~~~^~~~~~~~~~~~~~~~
power.cpp:69:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   69 |  for(int i=1; i<=N; i++) scanf("%1d", &T[i]);
      |                          ~~~~~^~~~~~~~~~~~~~

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