Submission #959023

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
959023	2024-04-07T11:42:45 Z	MilosMilutinovic	Autobus (COCI22_autobus)	C++14	70 / 70	66 ms	8364 KB

Main

#include<bits/stdc++.h>
 
#define pb push_back
#define fi first
#define se second
#define mp make_pair
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;
 
template <typename T> bool chkmin(T &x,T y){return x>y?x=y,1:0;}
template <typename T> bool chkmax(T &x,T y){return x<y?x=y,1:0;}
 
ll readint(){
	ll x=0,f=1; char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9'){x=x*10+ch-'0';ch=getchar();}
	return x*f;
}

int n,m,k,q;
int d[75][75],dp[75][75][75],res[75][75];

int main(){
	n=readint(); m=readint();
	for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) d[i][j]=1e9;
	for(int i=1;i<=m;i++){
		int u=readint(),v=readint(),w=readint();
		chkmin(d[u][v],w);
	}
	k=readint(); q=readint();
	for(int t=0;t<=min(n,k);t++){
		for(int i=1;i<=n;i++){
			for(int j=1;j<=n;j++){
				dp[t][i][j]=1e9;
			}
		}
	}
	for(int i=1;i<=n;i++) dp[0][i][i]=0;
	for(int t=1;t<=min(k,n);t++){
		for(int i=1;i<=n;i++){
			for(int j=1;j<=n;j++){
				for(int r=1;r<=n;r++){
					chkmin(dp[t][i][r],dp[t-1][i][j]+d[j][r]);
				}
			}
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=n;j++){
			res[i][j]=1e9;
			for(int t=0;t<=min(n,k);t++){
				chkmin(res[i][j],dp[t][i][j]);
			}
		}
	}
	while(q--){
		int x=readint(),y=readint();
		if(res[x][y]==1e9) printf("-1\n");
		else printf("%d\n",res[x][y]);
	}
	return 0;
}

Subtask #1

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	440 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct

Subtask #2

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	2 ms	604 KB	Output is correct
3	Correct	2 ms	604 KB	Output is correct
4	Correct	2 ms	604 KB	Output is correct
5	Correct	2 ms	604 KB	Output is correct
6	Correct	2 ms	604 KB	Output is correct
7	Correct	2 ms	544 KB	Output is correct

Subtask #3

25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	440 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	16 ms	860 KB	Output is correct
8	Correct	30 ms	1884 KB	Output is correct
9	Correct	3 ms	600 KB	Output is correct
10	Correct	16 ms	1372 KB	Output is correct
11	Correct	6 ms	604 KB	Output is correct
12	Correct	21 ms	1372 KB	Output is correct
13	Correct	29 ms	6708 KB	Output is correct
14	Correct	27 ms	6576 KB	Output is correct
15	Correct	46 ms	7872 KB	Output is correct
16	Correct	38 ms	6948 KB	Output is correct
17	Correct	27 ms	6788 KB	Output is correct
18	Correct	23 ms	6572 KB	Output is correct
19	Correct	53 ms	8212 KB	Output is correct
20	Correct	42 ms	7476 KB	Output is correct
21	Correct	23 ms	6736 KB	Output is correct
22	Correct	28 ms	6992 KB	Output is correct
23	Correct	28 ms	6972 KB	Output is correct
24	Correct	46 ms	7464 KB	Output is correct
25	Correct	25 ms	6704 KB	Output is correct
26	Correct	31 ms	6996 KB	Output is correct
27	Correct	33 ms	7328 KB	Output is correct
28	Correct	31 ms	6996 KB	Output is correct
29	Correct	25 ms	6708 KB	Output is correct
30	Correct	30 ms	6924 KB	Output is correct
31	Correct	40 ms	7260 KB	Output is correct
32	Correct	59 ms	8092 KB	Output is correct

Subtask #4

15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	440 KB	Output is correct
3	Correct	1 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	1 ms	348 KB	Output is correct
6	Correct	1 ms	344 KB	Output is correct
7	Correct	1 ms	348 KB	Output is correct
8	Correct	2 ms	604 KB	Output is correct
9	Correct	2 ms	604 KB	Output is correct
10	Correct	2 ms	604 KB	Output is correct
11	Correct	2 ms	604 KB	Output is correct
12	Correct	2 ms	604 KB	Output is correct
13	Correct	2 ms	544 KB	Output is correct
14	Correct	16 ms	860 KB	Output is correct
15	Correct	30 ms	1884 KB	Output is correct
16	Correct	3 ms	600 KB	Output is correct
17	Correct	16 ms	1372 KB	Output is correct
18	Correct	6 ms	604 KB	Output is correct
19	Correct	21 ms	1372 KB	Output is correct
20	Correct	29 ms	6708 KB	Output is correct
21	Correct	27 ms	6576 KB	Output is correct
22	Correct	46 ms	7872 KB	Output is correct
23	Correct	38 ms	6948 KB	Output is correct
24	Correct	27 ms	6788 KB	Output is correct
25	Correct	23 ms	6572 KB	Output is correct
26	Correct	53 ms	8212 KB	Output is correct
27	Correct	42 ms	7476 KB	Output is correct
28	Correct	23 ms	6736 KB	Output is correct
29	Correct	28 ms	6992 KB	Output is correct
30	Correct	28 ms	6972 KB	Output is correct
31	Correct	46 ms	7464 KB	Output is correct
32	Correct	25 ms	6704 KB	Output is correct
33	Correct	31 ms	6996 KB	Output is correct
34	Correct	33 ms	7328 KB	Output is correct
35	Correct	31 ms	6996 KB	Output is correct
36	Correct	25 ms	6708 KB	Output is correct
37	Correct	30 ms	6924 KB	Output is correct
38	Correct	40 ms	7260 KB	Output is correct
39	Correct	59 ms	8092 KB	Output is correct
40	Correct	9 ms	860 KB	Output is correct
41	Correct	30 ms	2064 KB	Output is correct
42	Correct	5 ms	604 KB	Output is correct
43	Correct	32 ms	2056 KB	Output is correct
44	Correct	5 ms	756 KB	Output is correct
45	Correct	31 ms	2000 KB	Output is correct
46	Correct	25 ms	6584 KB	Output is correct
47	Correct	43 ms	7372 KB	Output is correct
48	Correct	31 ms	6976 KB	Output is correct
49	Correct	52 ms	8020 KB	Output is correct
50	Correct	26 ms	6580 KB	Output is correct
51	Correct	30 ms	6996 KB	Output is correct
52	Correct	26 ms	6736 KB	Output is correct
53	Correct	53 ms	8116 KB	Output is correct
54	Correct	25 ms	6828 KB	Output is correct
55	Correct	25 ms	6744 KB	Output is correct
56	Correct	54 ms	8364 KB	Output is correct
57	Correct	54 ms	8300 KB	Output is correct
58	Correct	25 ms	6740 KB	Output is correct
59	Correct	36 ms	7512 KB	Output is correct
60	Correct	54 ms	8132 KB	Output is correct
61	Correct	53 ms	8268 KB	Output is correct
62	Correct	25 ms	6480 KB	Output is correct
63	Correct	35 ms	6956 KB	Output is correct
64	Correct	34 ms	7064 KB	Output is correct
65	Correct	66 ms	8096 KB	Output is correct