oj.uz

Submission #814476

# Submission time Handle Problem Language Result Execution time Memory
814476 2023-08-08T07:48:16 Z 이종영(#10372) Arranging Tickets (JOI17_arranging_tickets) C++17
45 / 100
 6000 ms 5076 KB 
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
using ll=long long;
using pii=array<int,2>;
using tii=array<int,3>;
const ll inf=1e18;
const int N=2e5+5;
int n,m;
int in[N],w[N];
vector<int> v[N];
tii a[N];
bool ok2(int c,int d){
	for(int i=1;i<=n;i++){
		w[i]=c-m+in[i]+d;
		if(w[i]<0) return false;
		w[i]/=2;
		//if(c==1&&d==2) debug(i,w[i]);
	}
	int ret=0;
	for(int r=1;r<n;r++){
		for(int l: v[r]){
			bool ok=true;
			for(int i=l;i<=r;i++) if(!w[i]){
				ok=false;
				break;
			}
			if(!ok) break;
			for(int i=l;i<=r;i++) w[i]--;
			//if(c==1&&d==2) debug(l,r);
			ret++;
		}
	}
	return ret>=d;
}
bool ok(int c){
	for(int i=0;i<=n;i++) if(ok2(c,i)){
		//debug(c,i);
		return true;
	}
	return false;
}
int main(){
	ios::sync_with_stdio(false); cin.tie(0);
	cin>>n>>m;
	for(int i=1;i<=m;i++){
		cin>>a[i][0]>>a[i][1]>>a[i][2];
		if(a[i][0]>a[i][1]) swap(a[i][0],a[i][1]);
		for(int j=a[i][0];j<a[i][1];j++) in[j]++;
		v[a[i][1]-1].emplace_back(a[i][0]);
	}
	for(int i=1;i<=n;i++) sort(v[i].begin(),v[i].end(),greater<>());
	int L=1,R=m-1,ans=m;
	while(L<=R){
		int M=(L+R)>>1;
		if(ok(M)){
			ans=M;
			R=M-1;
		} else L=M+1;
	}
	cout<<ans;
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5036 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 5032 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5032 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 5032 KB Output is correct

Subtask #2
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5036 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 5032 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5032 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 5032 KB Output is correct
16 Correct 19 ms 5028 KB Output is correct
17 Correct 23 ms 5044 KB Output is correct
18 Correct 15 ms 4948 KB Output is correct
19 Correct 23 ms 4948 KB Output is correct
20 Correct 15 ms 5052 KB Output is correct
21 Correct 20 ms 5048 KB Output is correct
22 Correct 17 ms 4948 KB Output is correct
23 Correct 16 ms 5048 KB Output is correct
24 Correct 11 ms 5052 KB Output is correct
25 Correct 14 ms 5048 KB Output is correct
26 Correct 15 ms 4948 KB Output is correct
27 Correct 13 ms 5036 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5036 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 5032 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5032 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 5032 KB Output is correct
16 Correct 19 ms 5028 KB Output is correct
17 Correct 23 ms 5044 KB Output is correct
18 Correct 15 ms 4948 KB Output is correct
19 Correct 23 ms 4948 KB Output is correct
20 Correct 15 ms 5052 KB Output is correct
21 Correct 20 ms 5048 KB Output is correct
22 Correct 17 ms 4948 KB Output is correct
23 Correct 16 ms 5048 KB Output is correct
24 Correct 11 ms 5052 KB Output is correct
25 Correct 14 ms 5048 KB Output is correct
26 Correct 15 ms 4948 KB Output is correct
27 Correct 13 ms 5036 KB Output is correct
28 Execution timed out 6033 ms 5076 KB Time limit exceeded
29 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5036 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 5032 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5032 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 5032 KB Output is correct
16 Correct 19 ms 5028 KB Output is correct
17 Correct 23 ms 5044 KB Output is correct
18 Correct 15 ms 4948 KB Output is correct
19 Correct 23 ms 4948 KB Output is correct
20 Correct 15 ms 5052 KB Output is correct
21 Correct 20 ms 5048 KB Output is correct
22 Correct 17 ms 4948 KB Output is correct
23 Correct 16 ms 5048 KB Output is correct
24 Correct 11 ms 5052 KB Output is correct
25 Correct 14 ms 5048 KB Output is correct
26 Correct 15 ms 4948 KB Output is correct
27 Correct 13 ms 5036 KB Output is correct
28 Execution timed out 6033 ms 5076 KB Time limit exceeded
29 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 5036 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 3 ms 5032 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 3 ms 5032 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 5032 KB Output is correct
16 Correct 19 ms 5028 KB Output is correct
17 Correct 23 ms 5044 KB Output is correct
18 Correct 15 ms 4948 KB Output is correct
19 Correct 23 ms 4948 KB Output is correct
20 Correct 15 ms 5052 KB Output is correct
21 Correct 20 ms 5048 KB Output is correct
22 Correct 17 ms 4948 KB Output is correct
23 Correct 16 ms 5048 KB Output is correct
24 Correct 11 ms 5052 KB Output is correct
25 Correct 14 ms 5048 KB Output is correct
26 Correct 15 ms 4948 KB Output is correct
27 Correct 13 ms 5036 KB Output is correct
28 Execution timed out 6033 ms 5076 KB Time limit exceeded
29 Halted 0 ms 0 KB -