oj.uz

Submission #542538

# Submission time Handle Problem Language Result Execution time Memory
542538 2022-03-26T21:28:05 Z inksamurai Autobus (COCI22_autobus) C++17
55 / 70
 173 ms 9672 KB 
#include <bits/stdc++.h>
#define int ll
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,x,n) for(int i=x;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3wByxeT ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

signed main(){
_3wByxeT;
	int n,m;
	cin>>n>>m;

	const int inf=1e18+11;

	vec(vi) tbl(n,vi(n,inf));
	rep(i,m){
		int u,v,w;
		cin>>u>>v>>w;
		u-=1,v-=1;
		tbl[u][v]=min(tbl[u][v],w);
	}

	auto faf=[&](int v)->vec(vi){
		vec(vi) dp(n,vi(n+1,inf));
		dp[v][0]=0;
		rep(j,n){
			rep(i,n){
				rep(k,n){
					dp[k][j+1]=min(dp[k][j+1],dp[i][j]+tbl[i][k]);
				}
			}
		}
		return dp;
	};

	vec(vec(vi)) qols;
	rep(i,n){
		qols.pb(faf(i));
	}

	int k,q;
	cin>>k>>q;
	k=min(k,q);
	rep(i,q){
		int v,u;
		cin>>v>>u;
		v-=1,u-=1;
		int res=inf;
		rep(j,k+1){
			res=min(res,qols[v][u][j]);
		}
		print((res==inf?-1:res));
	}
//
	return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 0 ms 212 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 3180 KB Output is correct
2 Correct 77 ms 3264 KB Output is correct
3 Correct 79 ms 3292 KB Output is correct
4 Correct 77 ms 3192 KB Output is correct
5 Correct 78 ms 3184 KB Output is correct
6 Correct 77 ms 3300 KB Output is correct
7 Correct 76 ms 3244 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 76 ms 3272 KB Output is correct
8 Correct 83 ms 3276 KB Output is correct
9 Correct 81 ms 3232 KB Output is correct
10 Correct 76 ms 3164 KB Output is correct
11 Correct 80 ms 3276 KB Output is correct
12 Correct 78 ms 3268 KB Output is correct
13 Correct 162 ms 9300 KB Output is correct
14 Correct 160 ms 9384 KB Output is correct
15 Correct 161 ms 9292 KB Output is correct
16 Correct 164 ms 9356 KB Output is correct
17 Correct 165 ms 9416 KB Output is correct
18 Correct 160 ms 9416 KB Output is correct
19 Correct 164 ms 9424 KB Output is correct
20 Correct 162 ms 9428 KB Output is correct
21 Correct 173 ms 9432 KB Output is correct
22 Correct 165 ms 9416 KB Output is correct
23 Correct 164 ms 9484 KB Output is correct
24 Correct 164 ms 9424 KB Output is correct
25 Correct 171 ms 9548 KB Output is correct
26 Correct 164 ms 9540 KB Output is correct
27 Correct 165 ms 9672 KB Output is correct
28 Correct 169 ms 9544 KB Output is correct
29 Correct 167 ms 9416 KB Output is correct
30 Correct 165 ms 9296 KB Output is correct
31 Correct 161 ms 9264 KB Output is correct
32 Correct 158 ms 9288 KB Output is correct

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 316 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 76 ms 3180 KB Output is correct
8 Correct 77 ms 3264 KB Output is correct
9 Correct 79 ms 3292 KB Output is correct
10 Correct 77 ms 3192 KB Output is correct
11 Correct 78 ms 3184 KB Output is correct
12 Correct 77 ms 3300 KB Output is correct
13 Correct 76 ms 3244 KB Output is correct
14 Correct 76 ms 3272 KB Output is correct
15 Correct 83 ms 3276 KB Output is correct
16 Correct 81 ms 3232 KB Output is correct
17 Correct 76 ms 3164 KB Output is correct
18 Correct 80 ms 3276 KB Output is correct
19 Correct 78 ms 3268 KB Output is correct
20 Correct 162 ms 9300 KB Output is correct
21 Correct 160 ms 9384 KB Output is correct
22 Correct 161 ms 9292 KB Output is correct
23 Correct 164 ms 9356 KB Output is correct
24 Correct 165 ms 9416 KB Output is correct
25 Correct 160 ms 9416 KB Output is correct
26 Correct 164 ms 9424 KB Output is correct
27 Correct 162 ms 9428 KB Output is correct
28 Correct 173 ms 9432 KB Output is correct
29 Correct 165 ms 9416 KB Output is correct
30 Correct 164 ms 9484 KB Output is correct
31 Correct 164 ms 9424 KB Output is correct
32 Correct 171 ms 9548 KB Output is correct
33 Correct 164 ms 9540 KB Output is correct
34 Correct 165 ms 9672 KB Output is correct
35 Correct 169 ms 9544 KB Output is correct
36 Correct 167 ms 9416 KB Output is correct
37 Correct 165 ms 9296 KB Output is correct
38 Correct 161 ms 9264 KB Output is correct
39 Correct 158 ms 9288 KB Output is correct
40 Correct 77 ms 3364 KB Output is correct
41 Incorrect 100 ms 3248 KB Output isn't correct
42 Halted 0 ms 0 KB -