oj.uz

Submission #613835

# Submission time Handle Problem Language Result Execution time Memory
613835 2022-07-30T11:56:39 Z Richem Toy Train (IOI17_train) C++14
12 / 100
 8 ms 1492 KB 
#include <iostream>
#include <vector>
 
using namespace std;
 
const int MAX_SOMMET = 5042;
 
bool gagnant[MAX_SOMMET] = {0};
int qui[MAX_SOMMET];
bool recharge[MAX_SOMMET];
 
int nbSommet, nbArete;

vector<int> adj[MAX_SOMMET];

int nbSortant[MAX_SOMMET] = {0};

bool acces[MAX_SOMMET] = {0};
int premier = 1;

void dfs(int sommet, int type) {
    if((type == 1 && acces[sommet]) || (type == 2 && gagnant[sommet]))
        return;

    if(!premier && type == 1) 
        acces[sommet] = 1;
    if(type == 2)
        gagnant[sommet] = 1;

    premier = 0;

    for(auto voisin : adj[sommet]) {
        if(qui[voisin] == 1)
            dfs(voisin, type);
        else {
            nbSortant[voisin]--;
            if(nbSortant[voisin] == 0)
                dfs(voisin, type);
        }
    }
}

void resetSortant() {
    for(int sommet = 0; sommet < nbSommet; sommet++) {
        nbSortant[sommet] = 0;
        acces[sommet] = 0;
    }
    for(int sommet = 0; sommet < nbSommet; sommet++) {
        for(auto voisin : adj[sommet]) {
            nbSortant[voisin]++;
        }
    }
}

vector<int> rep;

vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
    nbSommet = a.size();
    nbArete = u.size();
 
    for(int i = 0; i < nbSommet; i++) {
        gagnant[i] = 0;
        qui[i] = a[i];
        recharge[i] = r[i];
    }
 
    for(int id = 0; id < nbArete; id++)  {
        adj[v[id]].push_back(u[id]);
    }

    int nbPerdu = 0;

    do {
        nbPerdu = 0;
        resetSortant();

        for(int sommet = 0; sommet < nbSommet; sommet++) {
            if(recharge[sommet])
                dfs(sommet, 1);
        }

        for(int sommet = 0; sommet < nbSommet; sommet++) {
            if(recharge[sommet] && !acces[sommet]) {
                nbPerdu++;
                recharge[sommet] = 0;
            }
        }
    } while(nbPerdu > 0);
    resetSortant();

    for(int sommet = 0; sommet < nbSommet; sommet++) {
        if(recharge[sommet]) 
            dfs(sommet, 2);
    }

    for(int sommet = 0; sommet < nbSommet; sommet++) {
        rep.push_back(gagnant[sommet]);
    }
    return rep;
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 952 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Incorrect 1 ms 440 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
3 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 1492 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 1124 KB 3rd lines differ - on the 696th token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -

Subtask #5
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 1344 KB Output is correct
2 Correct 7 ms 1364 KB Output is correct
3 Correct 8 ms 1332 KB Output is correct
4 Correct 6 ms 1236 KB Output is correct
5 Correct 1 ms 436 KB Output is correct
6 Correct 3 ms 852 KB Output is correct
7 Correct 4 ms 964 KB Output is correct
8 Correct 5 ms 988 KB Output is correct
9 Correct 6 ms 1036 KB Output is correct
10 Correct 2 ms 596 KB Output is correct
11 Correct 5 ms 980 KB Output is correct

Subtask #6
0 / 51.0

# Verdict Execution time Memory Grader output
1 Incorrect 6 ms 952 KB 3rd lines differ - on the 1st token, expected: '0', found: '1'
2 Halted 0 ms 0 KB -