Submission #556021

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
556021	2022-05-02 07:50:10	600Mihnea	Sprinkler (JOI22_sprinkler)	C++17	100 / 100	2375 ms	62572 KiB

sprinkler

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#include <bits/stdc++.h>
bool home = 1;
using namespace std;
typedef long long ll;
const int N=200000+7;
const int K=20;
int n;
int q;
int mod;
int h[N];
vector<int> g[N];
int par[N];
int dep[N];
void build(int a,int p=-1){
  par[a]=p;
  for(auto&b:g[a]){
    if(b==p) continue;
    dep[b]=1+dep[a];
    build(b,a);
  }
}
const int MX=40;
 
 
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Compilation message (stderr)

sprinkler.cpp: In function 'int main()':
sprinkler.cpp:105:13: warning: unused variable 'xinit' [-Wunused-variable]
  105 |       int x,xinit;
      |             ^~~~~
sprinkler.cpp:51:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |     freopen("I_am_iron_man", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 9 / 9
• Subtask 3: 29 / 29
• Subtask 4: 12 / 12
• Subtask 5: 30 / 30
• Subtask 6: 17 / 17