Submission #952554

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
952554	2024-03-24 08:44:53	PM1	Tug of War (BOI15_tug)	C++17	23 / 100	34 ms	6744 KiB

tug

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#include <bits/stdc++.h>
using namespace std;
#define fr first
#define sc second
const int mxn=3e4+5;
int n,k,f[mxn*2][2],ans=0,st[mxn*2],res=0;
set<int>s[mxn*2];
set<pair<int,int> >g;
bool mark[mxn*2];
vector<int>nk;
void dfs(int z,int dis){
  mark[z]=1;
  int x=*s[z].begin();
  res+=(dis&1)?-st[x]:st[x];
  s[z].erase(x);
  int y=(z>mxn)?f[x][0]:f[x][1]+mxn;
  s[y].erase(x);
  if(!mark[y])
    dfs(y,dis+1);
}
int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  cin>>n>>k;
  for(int i=1;i<=n*2;i++){
    int x,y;
    cin>>x>>y>>st[i];
    s[x].insert(i);
    s[y+mxn].insert(i);
 
 
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Compilation message (stderr)

tug.cpp: In function 'int main()':
tug.cpp:70:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |  for(int i=1;i<=nk.size();i++){
      |              ~^~~~~~~~~~~

• Subtask 1: 0 / 18
• Subtask 2: 0 / 30
• Subtask 3: 23 / 23
• Subtask 4: 0 / 29