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Submission #143311

# Submission time Handle Problem Language Result Execution time Memory
143311 2019-08-13T15:32:52 Z nicolaalexandra Alkemija (COCI18_alkemija) C++14
80 / 80
 196 ms 11000 KB 
#include <iostream>
#include <vector>
#include <deque>
#define DIM 100010
using namespace std;

//ifstream fin ("date.in");
//ofstream fout ("date.out");
vector <int> r[DIM],L[DIM];
deque <int> c;
int f[DIM],cnt[DIM];
int n,m,i,j,nr1,nr2,x,k;
int main (){

    cin>>n>>m;
    for (i=1;i<=m;i++){
        cin>>x;
        f[x] = 1;
    }
    cin>>k;
    for (i=1;i<=k;i++){
        cin>>nr1>>nr2;
        for (j=1;j<=nr1;j++){
            cin>>x;
            r[x].push_back(i); /// tin minte dint ce reactie face parte
            if (!f[x])
                cnt[i]++; /// cate elemente mai trebuie adaugate ca sa pot forma reactia
        }
        for (j=1;j<=nr2;j++){
            cin>>x;
            L[i].push_back(x);
        }}
    /// mai intai adaug intr o coada toate reactiile care deja se pot forma
    for (i=1;i<=k;i++)
        if (!cnt[i])
            c.push_back(i);

    while (!c.empty()){
        int x = c.front();
        c.pop_front();
        for (i=0;i<L[x].size();i++){
            int nr = L[x][i];
            if (!f[nr]){
                f[nr] = 1;
                /// acum trebuie sa scad cnt ul pt fiecare reactie care il contine
                for (int j=0;j<r[nr].size();j++){
                    cnt[r[nr][j]]--;
                    if (!cnt[r[nr][j]]) /// pot forma reactia
                        c.push_back(r[nr][j]);
                }}}}
    int sol = 0;
    for (i=1;i<=n;i++)
        if (f[i])
            sol++;
    cout<<sol<<"\n";
    for (i=1;i<=n;i++)
        if (f[i])
            cout<<i<<" ";

    return 0;
}

Compilation message

alkemija.cpp: In function 'int main()':
alkemija.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (i=0;i<L[x].size();i++){
                  ~^~~~~~~~~~~~
alkemija.cpp:46:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for (int j=0;j<r[nr].size();j++){
                              ~^~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct

Subtask #3
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct

Subtask #4
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 4988 KB Output is correct

Subtask #5
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct

Subtask #6
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct

Subtask #7
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 55 ms 6604 KB Output is correct
2 Correct 74 ms 7204 KB Output is correct

Subtask #8
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 133 ms 8720 KB Output is correct
2 Correct 146 ms 9300 KB Output is correct

Subtask #9
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 181 ms 10372 KB Output is correct
2 Correct 161 ms 9592 KB Output is correct

Subtask #10
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 196 ms 11000 KB Output is correct
2 Correct 185 ms 10564 KB Output is correct