oj.uz

Submission #631205

# Submission time Handle Problem Language Result Execution time Memory
631205 2022-08-17T20:00:25 Z Vladth11 Planinarenje (COCI18_planinarenje) C++14
160 / 160
 518 ms 1092 KB 
#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "

using namespace std;
typedef long long ll;
typedef pair <ll, ll> pii;
typedef pair <long double, pii> muchie;

const ll NMAX = 10001;
const ll VMAX = 101;
const ll INF = (1LL << 60);
const ll MOD = 1000000007;
const ll BLOCK = 447;
const ll base = 117;
const ll nr_of_bits = 18;
const ll inv2 = 500000004;

int match[NMAX];
vector <int> v[NMAX];
int viz[NMAX];
int restricted;

bool DFS(int node) {
    viz[node] = 1;
    if(node == restricted)
        return 0;
    for(auto x : v[node]) {
        if(!match[x]) {
            match[node] = x;
            match[x] = node;
            return 1;
        }else if(!viz[match[x]] && DFS(match[x])){
            match[node] = x;
            match[x] = node;
            return 1;
        }
    }
    return 0;
}

int main() {
    //ifstream cin(".in");
    //ofstream cout(".out");
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, i, m;
    cin >> n >> m;
    for(i = 1; i <= m; i++) {
        int a, b;
        cin >> a >> b;
        b += n;
        v[a].push_back(b);
        v[b].push_back(a);
    }
    int cuplajI = 0;
    for(int j = 1; j <= n; j++) {
        viz[j] = 0;
    }
    int ok = 1;
    while(ok) {
        ok = 0;
        for(i = 1; i <= n; i++) viz[i] = 0;
        for(i = 1; i <= n; i++) {
            if(!viz[i] && !match[i]) {
                debug(i);
                ok |= DFS(i);
            }
        }
    }
    for(i = 1; i <= n; i++) {
        cuplajI += (match[i] > 0);
    }
    for(i = 1; i <= n; i++) {
        match[match[i]] = 0;
        match[i] = 0;
        restricted = i;
        for(int j = 1; j <= n; j++) {
            viz[j] = 0;
        }
        int ok = 1;
        while(ok) {
            ok = 0;
            for(int peak = 1; peak <= n; peak++) {
               viz[peak] = 0;
            }
            for(int peak = 1; peak <= n; peak++) {
                if(!viz[peak] && !match[peak]) {
                    ok |= DFS(peak);
                }
            }
        }
        int cuplajA = 0;
        for(int peak = 1; peak <= n; peak++) {
            cuplajA += (match[peak] > 0);
        }
        if(cuplajA == cuplajI){
            cout << "Mirko\n";
        }else{
            cout << "Slavko\n";
        }
    }
    return 0;
}

Subtask #1
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 468 KB Output is correct
2 Correct 0 ms 468 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 568 KB Output is correct
2 Correct 1 ms 468 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 468 KB Output is correct
3 Correct 0 ms 468 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 608 KB Output is correct
2 Correct 9 ms 596 KB Output is correct
3 Correct 8 ms 596 KB Output is correct
4 Correct 7 ms 604 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 518 ms 1060 KB Output is correct
2 Correct 464 ms 972 KB Output is correct
3 Correct 422 ms 1060 KB Output is correct
4 Correct 453 ms 1092 KB Output is correct

Subtask #6
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 596 KB Output is correct
2 Correct 9 ms 724 KB Output is correct
3 Correct 9 ms 680 KB Output is correct

Subtask #7
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 596 KB Output is correct
2 Correct 29 ms 576 KB Output is correct
3 Correct 9 ms 596 KB Output is correct
4 Correct 5 ms 736 KB Output is correct

Subtask #8
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 120 ms 908 KB Output is correct
2 Correct 361 ms 1004 KB Output is correct
3 Correct 101 ms 820 KB Output is correct

Subtask #9
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 88 ms 780 KB Output is correct
2 Correct 190 ms 884 KB Output is correct
3 Correct 106 ms 856 KB Output is correct
4 Correct 12 ms 724 KB Output is correct

Subtask #10
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 142 ms 856 KB Output is correct
2 Correct 128 ms 868 KB Output is correct
3 Correct 171 ms 864 KB Output is correct
4 Correct 28 ms 724 KB Output is correct