Submission #463626

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
463626	2021-08-11 11:39:29	vanic	Mousetrap (CEOI17_mousetrap)	C++14	45 / 100	1022 ms	87532 KiB

mousetrap

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#include <iostream>
#include <cstdio>
#include <cmath>
#include <algorithm>
#include <vector>
using namespace std;
const int maxn=1e6+5;
vector < int > ms[maxn];
int gore[maxn];
int dp[maxn];
void dfs(int x, int prosl){
  dp[x]=ms[x].size()-1;
  int maksi=0, drugi=0;
  for(int i=0; i<(int)ms[x].size(); i++){
    if(ms[x][i]!=prosl){
      dfs(ms[x][i], x);
      if(dp[ms[x][i]]>maksi){
        drugi=maksi;
        maksi=dp[ms[x][i]];
      }
      else if(dp[ms[x][i]]>drugi){
        drugi=dp[ms[x][i]];
      }
    }
  }
  dp[x]+=drugi;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

mousetrap.cpp: In function 'int main()':
mousetrap.cpp:47:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |  scanf("%d%d%d", &n, &t, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~
mousetrap.cpp:52:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   52 |   scanf("%d%d", &a, &b);
      |   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 25 / 25
• Subtask 3: 0 / 20
• Subtask 4: 0 / 35