답안 #568301

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
568301	2022-05-25T07:39:32 Z	inluminas	Toll (BOI17_toll)	C++17	100 / 100	199 ms	169956 KB

toll

#include"bits/stdc++.h"
using namespace std;

#define ll long long
#define endl "\n"
#define fastio ios_base::sync_with_stdio(false)
#define inf LLONG_MAX
#define l first
#define r second

const int lmt=50001;
ll dp[lmt][17][5][5];

int main(){
	fastio;

	for(int i=0;i<lmt;i++){
		for(int j=0;j<17;j++){
			for(int k=0;k<5;k++){
				for(int l=0;l<5;l++) dp[i][j][k][l]=1e15;
			}
		}
	}

	int k,n,m,q;
	cin>>k>>n>>m>>q;
	for(int i=1;i<=m;i++){
		ll u,v,t;
		cin>>u>>v>>t;
		dp[u/k][0][u%k][v%k]=min(dp[u/k][0][u%k][v%k],t);
	}

	for(int mv=1;mv<17;mv++){
		for(int i=0;i<=(n-1)/k;i++){
			for(int j=0;j<k;j++){
				for(int l=0;l<k;l++){
					for(int o=0;o<k;o++){
						int b=i+(1<<(mv-1));
						if(b>(n-1)/k) continue;
						dp[i][mv][j][l]=min(dp[i][mv][j][l],dp[i][mv-1][j][o]+dp[b][mv-1][o][l]);
					}
				}
			}
		}
	}

	/*for(int i=0;i<=(n-1)/k;i++){
		for(int j=0;j<k;j++){
			for(int l=0;l<k;l++){
				for(int mv=0;mv<2;mv++){
					if(dp[i][mv][j][l]==1e15) continue;
					cout<<dp[i][mv][j][l]<<" "<<i<<" "<<mv<<" "<<j<<" "<<l<<endl;
				}
			}
		}
	}*/

	while(q--){
		int u,v;
		cin>>u>>v;
		int pre=u/k;

		ll val[k];
		for(int i=0;i<k;i++) val[i]=1e15;
		val[u%k]=0;
		int dis=v/k-u/k;

		for(int j=16;j>=0;j--){
			int b=pre+(1<<j);
			if(b>v/k || dis<(1<<j)) continue;
			dis-=(1<<j);

			ll val2[k];

			for(int i=0;i<k;i++) val2[i]=1e15;

			for(int i=0;i<k;i++){
				for(int l=0;l<k;l++){
					val2[i]=min(val2[i],val[l]+dp[pre][j][l][i]);
				}
			}
			for(int i=0;i<k;i++) val[i]=val2[i];
			pre=b;
		}

		ll ans=val[v%k];
		cout<<(ans==1e15?-1:ans)<<endl;
	}
}

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	125 ms	166736 KB	Output is correct
2	Correct	78 ms	166604 KB	Output is correct
3	Correct	72 ms	166576 KB	Output is correct
4	Correct	67 ms	166620 KB	Output is correct
5	Correct	70 ms	166604 KB	Output is correct
6	Correct	81 ms	166664 KB	Output is correct
7	Correct	85 ms	166568 KB	Output is correct
8	Correct	126 ms	167564 KB	Output is correct
9	Correct	119 ms	167548 KB	Output is correct
10	Correct	113 ms	166768 KB	Output is correct

Subtask #2
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	154 ms	166696 KB	Output is correct
2	Correct	67 ms	166536 KB	Output is correct
3	Correct	71 ms	166628 KB	Output is correct
4	Correct	71 ms	166568 KB	Output is correct
5	Correct	67 ms	166608 KB	Output is correct
6	Correct	66 ms	166560 KB	Output is correct
7	Correct	85 ms	166632 KB	Output is correct
8	Correct	87 ms	166724 KB	Output is correct
9	Correct	138 ms	167436 KB	Output is correct
10	Correct	159 ms	168960 KB	Output is correct
11	Correct	157 ms	168316 KB	Output is correct
12	Correct	150 ms	167908 KB	Output is correct
13	Correct	152 ms	168972 KB	Output is correct
14	Correct	128 ms	168088 KB	Output is correct
15	Correct	130 ms	167908 KB	Output is correct
16	Correct	133 ms	167764 KB	Output is correct

Subtask #3
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	70 ms	166596 KB	Output is correct
2	Correct	66 ms	166516 KB	Output is correct
3	Correct	71 ms	166568 KB	Output is correct
4	Correct	80 ms	166588 KB	Output is correct
5	Correct	82 ms	166608 KB	Output is correct
6	Correct	72 ms	166660 KB	Output is correct
7	Correct	68 ms	166672 KB	Output is correct
8	Correct	69 ms	166664 KB	Output is correct
9	Correct	69 ms	166652 KB	Output is correct
10	Correct	107 ms	167496 KB	Output is correct
11	Correct	162 ms	168180 KB	Output is correct
12	Correct	140 ms	168820 KB	Output is correct
13	Correct	149 ms	169052 KB	Output is correct
14	Correct	164 ms	168424 KB	Output is correct
15	Correct	112 ms	167756 KB	Output is correct
16	Correct	115 ms	167788 KB	Output is correct

Subtask #4
31.0 / 31.0

#	결과	실행 시간	메모리	Grader output
1	Correct	70 ms	166596 KB	Output is correct
2	Correct	66 ms	166516 KB	Output is correct
3	Correct	71 ms	166568 KB	Output is correct
4	Correct	80 ms	166588 KB	Output is correct
5	Correct	82 ms	166608 KB	Output is correct
6	Correct	72 ms	166660 KB	Output is correct
7	Correct	68 ms	166672 KB	Output is correct
8	Correct	69 ms	166664 KB	Output is correct
9	Correct	69 ms	166652 KB	Output is correct
10	Correct	107 ms	167496 KB	Output is correct
11	Correct	162 ms	168180 KB	Output is correct
12	Correct	140 ms	168820 KB	Output is correct
13	Correct	149 ms	169052 KB	Output is correct
14	Correct	164 ms	168424 KB	Output is correct
15	Correct	112 ms	167756 KB	Output is correct
16	Correct	115 ms	167788 KB	Output is correct
17	Correct	132 ms	168164 KB	Output is correct
18	Correct	70 ms	166604 KB	Output is correct
19	Correct	71 ms	166568 KB	Output is correct
20	Correct	68 ms	166636 KB	Output is correct
21	Correct	68 ms	166532 KB	Output is correct
22	Correct	72 ms	166608 KB	Output is correct
23	Correct	75 ms	166600 KB	Output is correct
24	Correct	78 ms	166660 KB	Output is correct
25	Correct	80 ms	166688 KB	Output is correct
26	Correct	85 ms	166604 KB	Output is correct
27	Correct	136 ms	167396 KB	Output is correct
28	Correct	161 ms	168860 KB	Output is correct
29	Correct	154 ms	169144 KB	Output is correct
30	Correct	182 ms	168416 KB	Output is correct

Subtask #5
44.0 / 44.0

#	결과	실행 시간	메모리	Grader output
1	Correct	125 ms	166736 KB	Output is correct
2	Correct	78 ms	166604 KB	Output is correct
3	Correct	72 ms	166576 KB	Output is correct
4	Correct	67 ms	166620 KB	Output is correct
5	Correct	70 ms	166604 KB	Output is correct
6	Correct	81 ms	166664 KB	Output is correct
7	Correct	85 ms	166568 KB	Output is correct
8	Correct	126 ms	167564 KB	Output is correct
9	Correct	119 ms	167548 KB	Output is correct
10	Correct	113 ms	166768 KB	Output is correct
11	Correct	154 ms	166696 KB	Output is correct
12	Correct	67 ms	166536 KB	Output is correct
13	Correct	71 ms	166628 KB	Output is correct
14	Correct	71 ms	166568 KB	Output is correct
15	Correct	67 ms	166608 KB	Output is correct
16	Correct	66 ms	166560 KB	Output is correct
17	Correct	85 ms	166632 KB	Output is correct
18	Correct	87 ms	166724 KB	Output is correct
19	Correct	138 ms	167436 KB	Output is correct
20	Correct	159 ms	168960 KB	Output is correct
21	Correct	157 ms	168316 KB	Output is correct
22	Correct	150 ms	167908 KB	Output is correct
23	Correct	152 ms	168972 KB	Output is correct
24	Correct	128 ms	168088 KB	Output is correct
25	Correct	130 ms	167908 KB	Output is correct
26	Correct	133 ms	167764 KB	Output is correct
27	Correct	70 ms	166596 KB	Output is correct
28	Correct	66 ms	166516 KB	Output is correct
29	Correct	71 ms	166568 KB	Output is correct
30	Correct	80 ms	166588 KB	Output is correct
31	Correct	82 ms	166608 KB	Output is correct
32	Correct	72 ms	166660 KB	Output is correct
33	Correct	68 ms	166672 KB	Output is correct
34	Correct	69 ms	166664 KB	Output is correct
35	Correct	69 ms	166652 KB	Output is correct
36	Correct	107 ms	167496 KB	Output is correct
37	Correct	162 ms	168180 KB	Output is correct
38	Correct	140 ms	168820 KB	Output is correct
39	Correct	149 ms	169052 KB	Output is correct
40	Correct	164 ms	168424 KB	Output is correct
41	Correct	112 ms	167756 KB	Output is correct
42	Correct	115 ms	167788 KB	Output is correct
43	Correct	132 ms	168164 KB	Output is correct
44	Correct	70 ms	166604 KB	Output is correct
45	Correct	71 ms	166568 KB	Output is correct
46	Correct	68 ms	166636 KB	Output is correct
47	Correct	68 ms	166532 KB	Output is correct
48	Correct	72 ms	166608 KB	Output is correct
49	Correct	75 ms	166600 KB	Output is correct
50	Correct	78 ms	166660 KB	Output is correct
51	Correct	80 ms	166688 KB	Output is correct
52	Correct	85 ms	166604 KB	Output is correct
53	Correct	136 ms	167396 KB	Output is correct
54	Correct	161 ms	168860 KB	Output is correct
55	Correct	154 ms	169144 KB	Output is correct
56	Correct	182 ms	168416 KB	Output is correct
57	Correct	199 ms	169956 KB	Output is correct
58	Correct	139 ms	167480 KB	Output is correct
59	Correct	196 ms	168432 KB	Output is correct

답안 #568301

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 10.0 / 10.0

Subtask #3 8.0 / 8.0

Subtask #4 31.0 / 31.0

Subtask #5 44.0 / 44.0

Subtask #1
7.0 / 7.0

Subtask #2
10.0 / 10.0

Subtask #3
8.0 / 8.0

Subtask #4
31.0 / 31.0

Subtask #5
44.0 / 44.0