oj.uz

Submission #814607

# Submission time Handle Problem Language Result Execution time Memory
814607 2023-08-08T08:31:13 Z 이종영(#10372) Arranging Tickets (JOI17_arranging_tickets) C++17
85 / 100
 5692 ms 17940 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;
ll k,in[N],w[N],ans;
vector<pii> v[N];
tii a[N];
struct ST{
	ll 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,ll 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];
	}
	ll 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;
ll Do(ll s){
	if(s==2*k) return 1e18;
	ll ret=s;
	for(int i=1;i<=n;i++){
		w[i]=(s-k+in[i])/2;
	}
	T.init(1,1,n);
	for(int r=1;r<n;r++){
		for(auto [l,d]: v[r]){
			ll val=T.qry(1,1,n,l,r);
			if(val==0) break;
			val=min(val,(ll)d);
			T.upd(1,1,n,l,r,-val);
			ret-=val;
		}
	}
	return ret;
}
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].push_back({a[i][0],a[i][2]});
		k+=a[i][2];
	}
	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=k;
	ll L=k,R=2*k-1;
	while(L<=R){
		ll M=(L+R)>>1;
		ll v1=Do(M),v2=Do(M+1);
		if(v1<=v2){
			ans=min(ans,v1);
			R=M-1;
		} else{
			ans=min(ans,v2);
			L=M+1;
		}
	}
	for(ll i=k;i<=k+10;i++) ans=min(ans,Do(i));
	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 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 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 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 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 4944 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 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 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 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 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 4944 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 5 ms 5072 KB Output is correct
18 Correct 5 ms 5076 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5076 KB Output is correct
22 Correct 4 ms 4948 KB Output is correct
23 Correct 3 ms 5068 KB Output is correct
24 Correct 4 ms 4948 KB Output is correct
25 Correct 5 ms 4948 KB Output is correct
26 Correct 4 ms 4948 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 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 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 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 4944 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 5 ms 5072 KB Output is correct
18 Correct 5 ms 5076 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5076 KB Output is correct
22 Correct 4 ms 4948 KB Output is correct
23 Correct 3 ms 5068 KB Output is correct
24 Correct 4 ms 4948 KB Output is correct
25 Correct 5 ms 4948 KB Output is correct
26 Correct 4 ms 4948 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 24 ms 5288 KB Output is correct
29 Correct 35 ms 5204 KB Output is correct
30 Correct 28 ms 5204 KB Output is correct
31 Correct 33 ms 5204 KB Output is correct
32 Correct 22 ms 5204 KB Output is correct
33 Correct 29 ms 5204 KB Output is correct
34 Correct 32 ms 5276 KB Output is correct
35 Correct 32 ms 5204 KB Output is correct
36 Correct 23 ms 5204 KB Output is correct
37 Correct 30 ms 5268 KB Output is correct
38 Correct 24 ms 5316 KB Output is correct
39 Correct 30 ms 5204 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 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 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 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 4944 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 5 ms 5072 KB Output is correct
18 Correct 5 ms 5076 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5076 KB Output is correct
22 Correct 4 ms 4948 KB Output is correct
23 Correct 3 ms 5068 KB Output is correct
24 Correct 4 ms 4948 KB Output is correct
25 Correct 5 ms 4948 KB Output is correct
26 Correct 4 ms 4948 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 24 ms 5288 KB Output is correct
29 Correct 35 ms 5204 KB Output is correct
30 Correct 28 ms 5204 KB Output is correct
31 Correct 33 ms 5204 KB Output is correct
32 Correct 22 ms 5204 KB Output is correct
33 Correct 29 ms 5204 KB Output is correct
34 Correct 32 ms 5276 KB Output is correct
35 Correct 32 ms 5204 KB Output is correct
36 Correct 23 ms 5204 KB Output is correct
37 Correct 30 ms 5268 KB Output is correct
38 Correct 24 ms 5316 KB Output is correct
39 Correct 30 ms 5204 KB Output is correct
40 Correct 2137 ms 17868 KB Output is correct
41 Correct 1989 ms 17720 KB Output is correct
42 Correct 1990 ms 17940 KB Output is correct
43 Correct 1807 ms 17676 KB Output is correct
44 Correct 1769 ms 17560 KB Output is correct
45 Correct 1898 ms 17720 KB Output is correct
46 Correct 1700 ms 17536 KB Output is correct
47 Correct 1464 ms 17340 KB Output is correct
48 Correct 1685 ms 17656 KB Output is correct
49 Correct 1329 ms 12944 KB Output is correct
50 Correct 1564 ms 13852 KB Output is correct
51 Correct 1536 ms 13132 KB Output is correct

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 2 ms 4948 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 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 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 4944 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 5 ms 5072 KB Output is correct
18 Correct 5 ms 5076 KB Output is correct
19 Correct 4 ms 4948 KB Output is correct
20 Correct 3 ms 4948 KB Output is correct
21 Correct 3 ms 5076 KB Output is correct
22 Correct 4 ms 4948 KB Output is correct
23 Correct 3 ms 5068 KB Output is correct
24 Correct 4 ms 4948 KB Output is correct
25 Correct 5 ms 4948 KB Output is correct
26 Correct 4 ms 4948 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 24 ms 5288 KB Output is correct
29 Correct 35 ms 5204 KB Output is correct
30 Correct 28 ms 5204 KB Output is correct
31 Correct 33 ms 5204 KB Output is correct
32 Correct 22 ms 5204 KB Output is correct
33 Correct 29 ms 5204 KB Output is correct
34 Correct 32 ms 5276 KB Output is correct
35 Correct 32 ms 5204 KB Output is correct
36 Correct 23 ms 5204 KB Output is correct
37 Correct 30 ms 5268 KB Output is correct
38 Correct 24 ms 5316 KB Output is correct
39 Correct 30 ms 5204 KB Output is correct
40 Correct 2137 ms 17868 KB Output is correct
41 Correct 1989 ms 17720 KB Output is correct
42 Correct 1990 ms 17940 KB Output is correct
43 Correct 1807 ms 17676 KB Output is correct
44 Correct 1769 ms 17560 KB Output is correct
45 Correct 1898 ms 17720 KB Output is correct
46 Correct 1700 ms 17536 KB Output is correct
47 Correct 1464 ms 17340 KB Output is correct
48 Correct 1685 ms 17656 KB Output is correct
49 Correct 1329 ms 12944 KB Output is correct
50 Correct 1564 ms 13852 KB Output is correct
51 Correct 1536 ms 13132 KB Output is correct
52 Incorrect 5692 ms 17652 KB Output isn't correct
53 Halted 0 ms 0 KB -