Submission #959509

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
959509	2024-04-08T10:58:08 Z	edogawa_something	Arranging Tickets (JOI17_arranging_tickets)	C++17	10 / 100	139 ms	604 KB

arranging_tickets

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define F first
#define S second
#define pb push_back
#define all(v) v.begin(),v.end()
const ll M=310;
const ll inf=2e18;
ll n,m,a[M],b[M],c[M];
bool rev[M];
ll calc(){
  for(int i=0;i<n+1;i++)
  c[i]=0;
  for(int i=0;i<m;i++){
    if(rev[i]){
      c[1]++;
      c[a[i]]--;
      c[b[i]]++,c[n+1]--;
    }
    else{
      c[a[i]]++;
      c[b[i]]--;
    }
  }
  ll cur=0,res=0;
  for(int i=1;i<=n;i++){
    cur+=c[i];
    res=max(res,cur);
  }
  return res;
}
int main(){
  ios_base::sync_with_stdio(0),cin.tie(0);
  cin>>n>>m;
  for(int i=0;i<m;i++){
    cin>>a[i]>>b[i]>>c[i];
    if(a[i]>b[i])
    swap(a[i],b[i]);
  }
  ll ans=inf;
  for(int i=0;i<(1<<m);i++){
    for(int bit=0;bit<m;bit++){
      rev[bit]=((i&(1<<bit))>0);
    }
    ans=min(ans,calc());
  }
  cout<<ans<<'\n';
}

Subtask #1

10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	130 ms	456 KB	Output is correct
2	Correct	135 ms	440 KB	Output is correct
3	Correct	132 ms	348 KB	Output is correct
4	Correct	126 ms	448 KB	Output is correct
5	Correct	125 ms	348 KB	Output is correct
6	Correct	125 ms	356 KB	Output is correct
7	Correct	126 ms	452 KB	Output is correct
8	Correct	133 ms	344 KB	Output is correct
9	Correct	123 ms	448 KB	Output is correct
10	Correct	130 ms	436 KB	Output is correct
11	Correct	128 ms	440 KB	Output is correct
12	Correct	139 ms	344 KB	Output is correct
13	Correct	126 ms	604 KB	Output is correct
14	Correct	123 ms	440 KB	Output is correct
15	Correct	129 ms	440 KB	Output is correct

Subtask #2

0 / 35.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	130 ms	456 KB	Output is correct
2	Correct	135 ms	440 KB	Output is correct
3	Correct	132 ms	348 KB	Output is correct
4	Correct	126 ms	448 KB	Output is correct
5	Correct	125 ms	348 KB	Output is correct
6	Correct	125 ms	356 KB	Output is correct
7	Correct	126 ms	452 KB	Output is correct
8	Correct	133 ms	344 KB	Output is correct
9	Correct	123 ms	448 KB	Output is correct
10	Correct	130 ms	436 KB	Output is correct
11	Correct	128 ms	440 KB	Output is correct
12	Correct	139 ms	344 KB	Output is correct
13	Correct	126 ms	604 KB	Output is correct
14	Correct	123 ms	440 KB	Output is correct
15	Correct	129 ms	440 KB	Output is correct
16	Incorrect	5 ms	600 KB	Output isn't correct
17	Halted	0 ms	0 KB	-

Subtask #3

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	130 ms	456 KB	Output is correct
2	Correct	135 ms	440 KB	Output is correct
3	Correct	132 ms	348 KB	Output is correct
4	Correct	126 ms	448 KB	Output is correct
5	Correct	125 ms	348 KB	Output is correct
6	Correct	125 ms	356 KB	Output is correct
7	Correct	126 ms	452 KB	Output is correct
8	Correct	133 ms	344 KB	Output is correct
9	Correct	123 ms	448 KB	Output is correct
10	Correct	130 ms	436 KB	Output is correct
11	Correct	128 ms	440 KB	Output is correct
12	Correct	139 ms	344 KB	Output is correct
13	Correct	126 ms	604 KB	Output is correct
14	Correct	123 ms	440 KB	Output is correct
15	Correct	129 ms	440 KB	Output is correct
16	Incorrect	5 ms	600 KB	Output isn't correct
17	Halted	0 ms	0 KB	-

Subtask #4

0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	130 ms	456 KB	Output is correct
2	Correct	135 ms	440 KB	Output is correct
3	Correct	132 ms	348 KB	Output is correct
4	Correct	126 ms	448 KB	Output is correct
5	Correct	125 ms	348 KB	Output is correct
6	Correct	125 ms	356 KB	Output is correct
7	Correct	126 ms	452 KB	Output is correct
8	Correct	133 ms	344 KB	Output is correct
9	Correct	123 ms	448 KB	Output is correct
10	Correct	130 ms	436 KB	Output is correct
11	Correct	128 ms	440 KB	Output is correct
12	Correct	139 ms	344 KB	Output is correct
13	Correct	126 ms	604 KB	Output is correct
14	Correct	123 ms	440 KB	Output is correct
15	Correct	129 ms	440 KB	Output is correct
16	Incorrect	5 ms	600 KB	Output isn't correct
17	Halted	0 ms	0 KB	-

Subtask #5

0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	130 ms	456 KB	Output is correct
2	Correct	135 ms	440 KB	Output is correct
3	Correct	132 ms	348 KB	Output is correct
4	Correct	126 ms	448 KB	Output is correct
5	Correct	125 ms	348 KB	Output is correct
6	Correct	125 ms	356 KB	Output is correct
7	Correct	126 ms	452 KB	Output is correct
8	Correct	133 ms	344 KB	Output is correct
9	Correct	123 ms	448 KB	Output is correct
10	Correct	130 ms	436 KB	Output is correct
11	Correct	128 ms	440 KB	Output is correct
12	Correct	139 ms	344 KB	Output is correct
13	Correct	126 ms	604 KB	Output is correct
14	Correct	123 ms	440 KB	Output is correct
15	Correct	129 ms	440 KB	Output is correct
16	Incorrect	5 ms	600 KB	Output isn't correct
17	Halted	0 ms	0 KB	-