oj.uz

Submission #814532

# Submission time Handle Problem Language Result Execution time Memory
814532 2023-08-08T08:11:06 Z 이종영(#10372) Arranging Tickets (JOI17_arranging_tickets) C++17
65 / 100
 6000 ms 13088 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],mx[N],ans;
vector<int> v[N];
tii a[N];
struct ST{
	int T[2*N],D[2*N];
	void init(int nd,int l,int r){
		if(l==r){
			T[nd]=w[l];
			D[nd]=0;
			return;
		}
		int m=(l+r)>>1,ln=nd+1,rn=nd+2*(m-l+1);
		init(ln,l,m); init(rn,m+1,r);
		T[nd]=min(T[ln],T[rn]); 
		D[nd]=0;
	}
	void upd(int nd,int l,int r,int s,int e,int v){
		if(r<s||e<l) return;
		if(s<=l&&r<=e){
			T[nd]+=v;
			D[nd]+=v;
			return;
		}
		int m=(l+r)>>1,ln=nd+1,rn=nd+2*(m-l+1);
		upd(ln,l,m,s,e,v); upd(rn,m+1,r,s,e,v);
		T[nd]=min(T[ln],T[rn])+D[nd];
	}
	int qry(int nd,int l,int r,int s,int e){
		if(r<s||e<l) return 1e9;
		if(s<=l&&r<=e) return T[nd];
		int m=(l+r)>>1,ln=nd+1,rn=nd+2*(m-l+1);
		return min(qry(ln,l,m,s,e),qry(rn,m+1,r,s,e))+D[nd];
	}
}T;
void Do(int s){
	for(int i=1;i<=n;i++){
		w[i]=s-m+in[i];
		w[i]/=2;
	}
	T.init(1,1,n);
	for(int r=1;r<n;r++){
		for(int l: v[r]){
			if(T.qry(1,1,n,l,r)==0) break;
			T.upd(1,1,n,l,r,-1);
			mx[s]++;
		}
	}
	ans=min(ans,s-mx[s]);
}
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]);
		in[a[i][0]]+=a[i][2];
		in[a[i][1]]-=a[i][2];
		v[a[i][1]-1].emplace_back(a[i][0]);
	}
	for(int i=1;i<=n;i++) in[i]+=in[i-1];
	for(int i=1;i<=n;i++) sort(v[i].begin(),v[i].end(),greater<>());
	ans=m;
	for(int i=m;i<=n+m-1;i++) Do(i);
	cout<<ans;
	return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 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 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct

Subtask #2
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 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 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 12 ms 5072 KB Output is correct
17 Correct 12 ms 5076 KB Output is correct
18 Correct 14 ms 5072 KB Output is correct
19 Correct 12 ms 5076 KB Output is correct
20 Correct 12 ms 5076 KB Output is correct
21 Correct 13 ms 5072 KB Output is correct
22 Correct 12 ms 5076 KB Output is correct
23 Correct 12 ms 5076 KB Output is correct
24 Correct 11 ms 5076 KB Output is correct
25 Correct 11 ms 5072 KB Output is correct
26 Correct 11 ms 5076 KB Output is correct
27 Correct 12 ms 5076 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 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 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 12 ms 5072 KB Output is correct
17 Correct 12 ms 5076 KB Output is correct
18 Correct 14 ms 5072 KB Output is correct
19 Correct 12 ms 5076 KB Output is correct
20 Correct 12 ms 5076 KB Output is correct
21 Correct 13 ms 5072 KB Output is correct
22 Correct 12 ms 5076 KB Output is correct
23 Correct 12 ms 5076 KB Output is correct
24 Correct 11 ms 5076 KB Output is correct
25 Correct 11 ms 5072 KB Output is correct
26 Correct 11 ms 5076 KB Output is correct
27 Correct 12 ms 5076 KB Output is correct
28 Correct 2110 ms 5216 KB Output is correct
29 Correct 2116 ms 5212 KB Output is correct
30 Correct 2133 ms 5204 KB Output is correct
31 Correct 2051 ms 5328 KB Output is correct
32 Correct 1952 ms 5320 KB Output is correct
33 Correct 1971 ms 5212 KB Output is correct
34 Correct 1903 ms 5204 KB Output is correct
35 Correct 2021 ms 5208 KB Output is correct
36 Correct 2050 ms 5208 KB Output is correct
37 Correct 1999 ms 5216 KB Output is correct
38 Correct 1671 ms 5244 KB Output is correct
39 Correct 2094 ms 5240 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 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 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 12 ms 5072 KB Output is correct
17 Correct 12 ms 5076 KB Output is correct
18 Correct 14 ms 5072 KB Output is correct
19 Correct 12 ms 5076 KB Output is correct
20 Correct 12 ms 5076 KB Output is correct
21 Correct 13 ms 5072 KB Output is correct
22 Correct 12 ms 5076 KB Output is correct
23 Correct 12 ms 5076 KB Output is correct
24 Correct 11 ms 5076 KB Output is correct
25 Correct 11 ms 5072 KB Output is correct
26 Correct 11 ms 5076 KB Output is correct
27 Correct 12 ms 5076 KB Output is correct
28 Correct 2110 ms 5216 KB Output is correct
29 Correct 2116 ms 5212 KB Output is correct
30 Correct 2133 ms 5204 KB Output is correct
31 Correct 2051 ms 5328 KB Output is correct
32 Correct 1952 ms 5320 KB Output is correct
33 Correct 1971 ms 5212 KB Output is correct
34 Correct 1903 ms 5204 KB Output is correct
35 Correct 2021 ms 5208 KB Output is correct
36 Correct 2050 ms 5208 KB Output is correct
37 Correct 1999 ms 5216 KB Output is correct
38 Correct 1671 ms 5244 KB Output is correct
39 Correct 2094 ms 5240 KB Output is correct
40 Execution timed out 6067 ms 13088 KB Time limit exceeded
41 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4952 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 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 2 ms 4948 KB Output is correct
11 Correct 2 ms 4948 KB Output is correct
12 Correct 2 ms 4948 KB Output is correct
13 Correct 2 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 12 ms 5072 KB Output is correct
17 Correct 12 ms 5076 KB Output is correct
18 Correct 14 ms 5072 KB Output is correct
19 Correct 12 ms 5076 KB Output is correct
20 Correct 12 ms 5076 KB Output is correct
21 Correct 13 ms 5072 KB Output is correct
22 Correct 12 ms 5076 KB Output is correct
23 Correct 12 ms 5076 KB Output is correct
24 Correct 11 ms 5076 KB Output is correct
25 Correct 11 ms 5072 KB Output is correct
26 Correct 11 ms 5076 KB Output is correct
27 Correct 12 ms 5076 KB Output is correct
28 Correct 2110 ms 5216 KB Output is correct
29 Correct 2116 ms 5212 KB Output is correct
30 Correct 2133 ms 5204 KB Output is correct
31 Correct 2051 ms 5328 KB Output is correct
32 Correct 1952 ms 5320 KB Output is correct
33 Correct 1971 ms 5212 KB Output is correct
34 Correct 1903 ms 5204 KB Output is correct
35 Correct 2021 ms 5208 KB Output is correct
36 Correct 2050 ms 5208 KB Output is correct
37 Correct 1999 ms 5216 KB Output is correct
38 Correct 1671 ms 5244 KB Output is correct
39 Correct 2094 ms 5240 KB Output is correct
40 Execution timed out 6067 ms 13088 KB Time limit exceeded
41 Halted 0 ms 0 KB -