oj.uz

Submission #722783

# Submission time Handle Problem Language Result Execution time Memory
722783 2023-04-12T20:35:43 Z groshi Monthly railway pass (LMIO18_menesinis_bilietas) C++17
100 / 100
 472 ms 55780 KB 
#include<bits/stdc++.h>

using namespace std;
struct wi{
    vector<int> Q,inne;
    int odw=0,byl=0;
}*w;
set<int> secik;
int mam=1;
void reku(int x)
{
    w[x].odw=mam;
    for(int i=0;i<w[x].Q.size();i++)
    {
        int pom=w[x].Q[i];
        if(w[pom].odw)
            continue;
        reku(pom);
    }
}
int wiel=0;
void reku2(int x)
{
    w[x].byl=1;
    wiel++;
    for(int i=0;i<w[x].inne.size();i++)
        secik.insert(w[w[x].inne[i]].odw);
    for(int i=0;i<w[x].Q.size();i++)
    {
        int pom=w[x].Q[i];
        if(w[pom].byl)
            continue;
        reku2(pom);
    }
}
int32_t main()
{
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    int n,m,x,y;
    char co;
    cin>>n>>m;
    w=new wi[n+3];
    for(int i=1;i<=m;i++)
    {
        cin>>x>>y>>co;
        if(co=='T')
        {
            w[x].Q.push_back(y);
            w[y].Q.push_back(x);
        }
        else{
            w[x].inne.push_back(y);
            w[y].inne.push_back(x);
        }
    }
    for(int i=1;i<=n;i++)
        if(w[i].odw)
            continue;
        else{
            reku(i);
            mam++;
        }
    int wynik=0;
    for(int i=1;i<=n;i++)
    {
        if(w[i].byl)
            continue;
        secik.clear();
        wiel=0;
        reku2(i);
        secik.insert(w[i].odw);
        if(secik.size()==mam-1)
            wynik+=wiel;
    }
    cout<<wynik;
    return 0;
}

Compilation message

menesinis_bilietas.cpp: In function 'void reku(int)':
menesinis_bilietas.cpp:13:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |     for(int i=0;i<w[x].Q.size();i++)
      |                 ~^~~~~~~~~~~~~~
menesinis_bilietas.cpp: In function 'void reku2(int)':
menesinis_bilietas.cpp:26:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |     for(int i=0;i<w[x].inne.size();i++)
      |                 ~^~~~~~~~~~~~~~~~~
menesinis_bilietas.cpp:28:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for(int i=0;i<w[x].Q.size();i++)
      |                 ~^~~~~~~~~~~~~~
menesinis_bilietas.cpp: In function 'int32_t main()':
menesinis_bilietas.cpp:74:24: warning: comparison of integer expressions of different signedness: 'std::set<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   74 |         if(secik.size()==mam-1)
      |            ~~~~~~~~~~~~^~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 381 ms 31844 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 27 ms 26068 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 44 ms 3444 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 26068 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 213 ms 8908 KB Output is correct
7 Correct 472 ms 55780 KB Output is correct
8 Correct 7 ms 2388 KB Output is correct
9 Correct 13 ms 2432 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 2 ms 340 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 2 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 4 ms 468 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 408 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 2 ms 464 KB Output is correct

Subtask #4
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 408 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 464 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 3 ms 468 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 7 ms 2388 KB Output is correct
23 Correct 13 ms 2432 KB Output is correct
24 Correct 44 ms 3444 KB Output is correct
25 Correct 8 ms 1108 KB Output is correct
26 Correct 115 ms 10788 KB Output is correct
27 Correct 37 ms 3904 KB Output is correct
28 Correct 72 ms 4980 KB Output is correct
29 Correct 30 ms 3088 KB Output is correct
30 Correct 74 ms 5908 KB Output is correct

Subtask #5
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 3 ms 468 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 4 ms 468 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 408 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 2 ms 464 KB Output is correct
16 Correct 8 ms 1108 KB Output is correct
17 Correct 115 ms 10788 KB Output is correct
18 Correct 37 ms 3904 KB Output is correct
19 Correct 72 ms 4980 KB Output is correct
20 Correct 30 ms 3088 KB Output is correct
21 Correct 74 ms 5908 KB Output is correct
22 Correct 381 ms 31844 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 27 ms 26068 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 3 ms 468 KB Output is correct
29 Correct 1 ms 980 KB Output is correct
30 Correct 213 ms 8908 KB Output is correct
31 Correct 472 ms 55780 KB Output is correct
32 Correct 7 ms 2388 KB Output is correct
33 Correct 13 ms 2432 KB Output is correct
34 Correct 44 ms 3444 KB Output is correct
35 Correct 32 ms 4232 KB Output is correct
36 Correct 247 ms 19688 KB Output is correct
37 Correct 191 ms 20880 KB Output is correct