oj.uz

답안 #429572

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
429572 2021-06-16T06:55:34 Z 장태환(#7566) Brackets (CPSPC17_brackets) C++17
100 / 100
 188 ms 3384 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
set<pair<int,pair<int,int>>>pq;
vector<pair<int,char>>link[201];
vector<pair<int,char>>rev[201];
int dist[201][201];
int vis[201][201];
signed main()
{
    memset(dist,62,sizeof(dist));
    int N,M,s,t;
    cin >> N>>M>>s>>t;
    int i;
    for(i=0;i<M;i++)
    {
        int a,b;
        char d;
        cin >>a >> b >> d;
        link[a].push_back({b,d});
        rev[b].push_back({a,d});
    }
    for(i=1;i<=N;i++)
        pq.insert({0,{i,i}});
    while(pq.size())
    {
        auto r=*pq.begin();
        pq.erase(r);
        if(vis[r.second.first][r.second.second])
            continue;
        dist[r.second.first][r.second.second]=r.first;
        vis[r.second.first][r.second.second]=1;
        for(i=1;i<=N;i++)
        {
            if(dist[r.second.first][r.second.second]+dist[r.second.second][i]<dist[r.second.first][i])
            {
                pq.erase({dist[r.second.first][i],{r.second.first,i}});
                dist[r.second.first][i]=dist[r.second.first][r.second.second]+dist[r.second.second][i];
                pq.insert({dist[r.second.first][i],{r.second.first,i}});
            }
            if(dist[r.second.first][r.second.second]+dist[i][r.second.first]<dist[i][r.second.second])
            {
                pq.erase({dist[i][r.second.second],{i,r.second.second}});
                dist[i][r.second.second]=dist[r.second.first][r.second.second]+dist[i][r.second.first];
                pq.insert({dist[i][r.second.second],{i,r.second.second}});
            }
        }
        for(i=0;i<rev[r.second.first].size();i++)
        {
            int j;
            for(j=0;j<link[r.second.second].size();j++)
            {
                auto r1=rev[r.second.first][i];
                auto r2=link[r.second.second][j];
                if(r1.second>=r2.second||r2.second-r1.second>2)
                    continue;
                if(dist[r.second.first][r.second.second]+2<dist[r1.first][r2.first])
                {
                    pq.erase({dist[r1.first][r2.first],{r1.first,r2.first}});
                    dist[r1.first][r2.first]=dist[r.second.first][r.second.second]+2;
                    pq.insert({dist[r1.first][r2.first],{r1.first,r2.first}});
                }
            }
        }
    }
    if(!vis[s][t])
        cout <<-1;
    else
    cout <<dist[s][t];
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:48:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         for(i=0;i<rev[r.second.first].size();i++)
      |                 ~^~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:51:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |             for(j=0;j<link[r.second.second].size();j++)
      |                     ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct

Subtask #2
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 588 KB Output is correct
17 Correct 1 ms 588 KB Output is correct
18 Correct 1 ms 588 KB Output is correct
19 Correct 1 ms 588 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 588 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 1 ms 588 KB Output is correct
24 Correct 1 ms 588 KB Output is correct

Subtask #3
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 588 KB Output is correct
17 Correct 1 ms 588 KB Output is correct
18 Correct 1 ms 588 KB Output is correct
19 Correct 1 ms 588 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 588 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 1 ms 588 KB Output is correct
24 Correct 1 ms 588 KB Output is correct
25 Correct 1 ms 588 KB Output is correct
26 Correct 4 ms 716 KB Output is correct
27 Correct 8 ms 716 KB Output is correct
28 Correct 1 ms 716 KB Output is correct
29 Correct 5 ms 844 KB Output is correct
30 Correct 21 ms 844 KB Output is correct
31 Correct 1 ms 588 KB Output is correct
32 Correct 1 ms 588 KB Output is correct
33 Correct 3 ms 716 KB Output is correct
34 Correct 1 ms 588 KB Output is correct
35 Correct 21 ms 844 KB Output is correct
36 Correct 6 ms 844 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 588 KB Output is correct
17 Correct 1 ms 588 KB Output is correct
18 Correct 1 ms 588 KB Output is correct
19 Correct 1 ms 588 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 588 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 1 ms 588 KB Output is correct
24 Correct 1 ms 588 KB Output is correct
25 Correct 1 ms 588 KB Output is correct
26 Correct 4 ms 716 KB Output is correct
27 Correct 8 ms 716 KB Output is correct
28 Correct 1 ms 716 KB Output is correct
29 Correct 5 ms 844 KB Output is correct
30 Correct 21 ms 844 KB Output is correct
31 Correct 1 ms 588 KB Output is correct
32 Correct 1 ms 588 KB Output is correct
33 Correct 3 ms 716 KB Output is correct
34 Correct 1 ms 588 KB Output is correct
35 Correct 21 ms 844 KB Output is correct
36 Correct 6 ms 844 KB Output is correct
37 Correct 3 ms 716 KB Output is correct
38 Correct 37 ms 1356 KB Output is correct
39 Correct 3 ms 716 KB Output is correct
40 Correct 1 ms 716 KB Output is correct
41 Correct 35 ms 1356 KB Output is correct
42 Correct 1 ms 716 KB Output is correct
43 Correct 1 ms 716 KB Output is correct
44 Correct 2 ms 716 KB Output is correct
45 Correct 34 ms 1356 KB Output is correct
46 Correct 35 ms 1392 KB Output is correct
47 Correct 3 ms 844 KB Output is correct
48 Correct 49 ms 1356 KB Output is correct
49 Correct 1 ms 716 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 2096 KB Output is correct
2 Correct 50 ms 2148 KB Output is correct
3 Correct 44 ms 2124 KB Output is correct
4 Correct 46 ms 2124 KB Output is correct
5 Correct 42 ms 2096 KB Output is correct
6 Correct 43 ms 2096 KB Output is correct
7 Correct 40 ms 2072 KB Output is correct
8 Correct 43 ms 2124 KB Output is correct
9 Correct 44 ms 2124 KB Output is correct
10 Correct 40 ms 2072 KB Output is correct
11 Correct 42 ms 1996 KB Output is correct
12 Correct 43 ms 1996 KB Output is correct
13 Correct 39 ms 2120 KB Output is correct
14 Correct 7 ms 1140 KB Output is correct
15 Correct 10 ms 1100 KB Output is correct
16 Correct 1 ms 844 KB Output is correct

Subtask #6
26.0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 588 KB Output is correct
2 Correct 1 ms 588 KB Output is correct
3 Correct 1 ms 588 KB Output is correct
4 Correct 1 ms 588 KB Output is correct
5 Correct 1 ms 588 KB Output is correct
6 Correct 1 ms 588 KB Output is correct
7 Correct 1 ms 588 KB Output is correct
8 Correct 1 ms 588 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 588 KB Output is correct
14 Correct 1 ms 588 KB Output is correct
15 Correct 1 ms 588 KB Output is correct
16 Correct 1 ms 588 KB Output is correct
17 Correct 1 ms 588 KB Output is correct
18 Correct 1 ms 588 KB Output is correct
19 Correct 1 ms 588 KB Output is correct
20 Correct 1 ms 588 KB Output is correct
21 Correct 1 ms 588 KB Output is correct
22 Correct 1 ms 588 KB Output is correct
23 Correct 1 ms 588 KB Output is correct
24 Correct 1 ms 588 KB Output is correct
25 Correct 1 ms 588 KB Output is correct
26 Correct 4 ms 716 KB Output is correct
27 Correct 8 ms 716 KB Output is correct
28 Correct 1 ms 716 KB Output is correct
29 Correct 5 ms 844 KB Output is correct
30 Correct 21 ms 844 KB Output is correct
31 Correct 1 ms 588 KB Output is correct
32 Correct 1 ms 588 KB Output is correct
33 Correct 3 ms 716 KB Output is correct
34 Correct 1 ms 588 KB Output is correct
35 Correct 21 ms 844 KB Output is correct
36 Correct 6 ms 844 KB Output is correct
37 Correct 3 ms 716 KB Output is correct
38 Correct 37 ms 1356 KB Output is correct
39 Correct 3 ms 716 KB Output is correct
40 Correct 1 ms 716 KB Output is correct
41 Correct 35 ms 1356 KB Output is correct
42 Correct 1 ms 716 KB Output is correct
43 Correct 1 ms 716 KB Output is correct
44 Correct 2 ms 716 KB Output is correct
45 Correct 34 ms 1356 KB Output is correct
46 Correct 35 ms 1392 KB Output is correct
47 Correct 3 ms 844 KB Output is correct
48 Correct 49 ms 1356 KB Output is correct
49 Correct 1 ms 716 KB Output is correct
50 Correct 46 ms 2096 KB Output is correct
51 Correct 50 ms 2148 KB Output is correct
52 Correct 44 ms 2124 KB Output is correct
53 Correct 46 ms 2124 KB Output is correct
54 Correct 42 ms 2096 KB Output is correct
55 Correct 43 ms 2096 KB Output is correct
56 Correct 40 ms 2072 KB Output is correct
57 Correct 43 ms 2124 KB Output is correct
58 Correct 44 ms 2124 KB Output is correct
59 Correct 40 ms 2072 KB Output is correct
60 Correct 42 ms 1996 KB Output is correct
61 Correct 43 ms 1996 KB Output is correct
62 Correct 39 ms 2120 KB Output is correct
63 Correct 7 ms 1140 KB Output is correct
64 Correct 10 ms 1100 KB Output is correct
65 Correct 1 ms 844 KB Output is correct
66 Correct 3 ms 972 KB Output is correct
67 Correct 149 ms 3272 KB Output is correct
68 Correct 145 ms 3296 KB Output is correct
69 Correct 188 ms 3280 KB Output is correct
70 Correct 5 ms 1036 KB Output is correct
71 Correct 7 ms 844 KB Output is correct
72 Correct 106 ms 3304 KB Output is correct
73 Correct 101 ms 3276 KB Output is correct
74 Correct 10 ms 972 KB Output is correct
75 Correct 137 ms 3304 KB Output is correct
76 Correct 9 ms 1100 KB Output is correct
77 Correct 2 ms 844 KB Output is correct
78 Correct 8 ms 972 KB Output is correct
79 Correct 130 ms 3128 KB Output is correct
80 Correct 160 ms 3276 KB Output is correct
81 Correct 11 ms 844 KB Output is correct
82 Correct 10 ms 972 KB Output is correct
83 Correct 104 ms 3384 KB Output is correct