oj.uz

답안 #527780

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
527780 2022-02-18T09:20:58 Z 1ne Autobus (COCI22_autobus) C++14
15 / 70
 1000 ms 27864 KB 
#include<bits/stdc++.h>
using namespace std;
 
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n,m;cin>>n>>m;
vector<vector<int64_t>>dist(n,vector<int64_t>(n,1e15));
vector<vector<set<pair<int64_t,int64_t>>>>arr(n,vector<set<pair<int64_t,int64_t>>>(n));
for (int i = 0;i<m;++i){
	int64_t x,y,z;cin>>x>>y>>z;
	--x;
	--y;
	dist[x][y] = min(dist[x][y],z);
}
for (int i = 0;i<n;++i){
	for (int j = 0;j<n;++j){
		if (i!=j&&dist[i][j]!=1e15){
			arr[i][j].insert({dist[i][j],1});
		}
	}
}


int64_t kk,q;cin>>kk>>q;
for (int i = 0;i<n;++i){
	for (int j = 0;j<n;++j){
		for (int k = 0;k<n;++k){
			int64_t mink = 1e15;
			for (auto x:arr[j][i]){
				for (auto y:arr[i][k]){
					if (x.second + y.second<=min(mink,kk)){
						arr[j][k].insert({x.first + y.first,x.second + y.second});
						mink = min(mink,x.second + y.second);
					}
				}
			}
		}
	}
}
for (int i = 0;i<q;++i){
	int x,y;cin>>x>>y;
	--x;
	--y;
	if (x==y){
		cout<<0<<'\n';
		continue;
	}
	if (arr[x][y].empty()){
		cout<<-1<<'\n';
	}
	else{
		auto z = *arr[x][y].begin();
		cout<<z.first<<'\n';
	}
}
return 0;}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct

Subtask #2
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 536 KB Output is correct
2 Correct 4 ms 716 KB Output is correct
3 Correct 17 ms 1872 KB Output is correct
4 Correct 16 ms 1532 KB Output is correct
5 Correct 553 ms 11144 KB Output is correct
6 Correct 599 ms 9988 KB Output is correct
7 Execution timed out 1045 ms 27864 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Execution timed out 1092 ms 27488 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 3 ms 536 KB Output is correct
8 Correct 4 ms 716 KB Output is correct
9 Correct 17 ms 1872 KB Output is correct
10 Correct 16 ms 1532 KB Output is correct
11 Correct 553 ms 11144 KB Output is correct
12 Correct 599 ms 9988 KB Output is correct
13 Execution timed out 1045 ms 27864 KB Time limit exceeded
14 Halted 0 ms 0 KB -