oj.uz

Submission #1054252

# Submission time Handle Problem Language Result Execution time Memory
1054252 2024-08-12T08:02:38 Z Mighilon Joker (BOI20_joker) C++17
14 / 100
 2000 ms 16196 KB 
#include <bits/stdc++.h>
using namespace std;
 
#ifdef DEBUG
#include "../Library/debug.h"
#else
#define dbg(x...)
// #define cin fin
// #define cout fout
// const string FILE_NAME = ""; ifstream fin(FILE_NAME + ".in"); ofstream fout(FILE_NAME + ".out");
#endif
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl; 
 
#define FOR(i, a, b) for (int i = (a); i < (b); ++i)
#define F0R(i, a) for (int i = 0; i < (a); ++i)
#define FORd(i, a, b) for (int i = (b) - 1; i >= (a); --i)
#define F0Rd(i, a) for (int i = (a) - 1; i >= 0; --i)
#define trav(a, x) for (auto& a : x)
#define f first 
#define s second
#define pb push_back
#define sz(x) (int)(x).size()
#define all(x) x.begin(), x.end()
 
const char nl = '\n';
const int INF = 1e9;
const int MOD = 1e9 + 7;

vector<vi> adj;
vi edges, good;
vi color;
bool cycle = false;

void dfs(int u, int p, int c){
    if(color[u] != -1 && color[u] != c){
        cycle = true;
        return;
    }
    if(color[u] != -1)
        return;
    color[u] = c;
    trav(id, adj[u]){
        if(!good[id]) continue;
        int v = edges[id] ^ u;
        if(v == p)
            continue;
        dfs(v, u, c ^ 1);
    }
}

void solve(){
    int n, m, q;
    cin >> n >> m >> q;
    adj.resize(n);
    edges.resize(m);
    F0R(i, m){
        int a, b;
        cin >> a >> b;
        --a, --b;
        edges[i] = a ^ b;
        adj[a].pb(i);
        adj[b].pb(i);
    }
    color.resize(n);
    good.resize(m);
    while(q--){
        int a, b;
        cin >> a >> b;
        a--, b--;
        color = vector<int>(n, -1);
        F0R(i, m){
            if(i >= a && i <= b)
                good[i] = false;
            else good[i] = true;
        }
        cycle = false;
        F0R(i, n){
            if(color[i] == -1)
                dfs(i, -1, 1);
        }
        if(cycle)
            cout << "YES\n";
        else cout << "NO\n";
        dbg(color)
    }
}
 
int32_t main(){
    ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    
    int TC = 1;
    // cin >> TC;
    while(TC--){
        solve();
    }
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 376 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 456 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 376 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 456 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 32 ms 580 KB Output is correct
30 Correct 78 ms 600 KB Output is correct
31 Correct 79 ms 604 KB Output is correct
32 Correct 69 ms 600 KB Output is correct
33 Correct 59 ms 344 KB Output is correct
34 Correct 81 ms 604 KB Output is correct
35 Correct 87 ms 600 KB Output is correct
36 Correct 26 ms 604 KB Output is correct
37 Correct 41 ms 604 KB Output is correct
38 Correct 40 ms 464 KB Output is correct
39 Correct 50 ms 604 KB Output is correct
40 Correct 58 ms 856 KB Output is correct
41 Correct 62 ms 604 KB Output is correct
42 Correct 60 ms 604 KB Output is correct
43 Correct 52 ms 344 KB Output is correct
44 Correct 63 ms 360 KB Output is correct
45 Correct 64 ms 604 KB Output is correct
46 Correct 63 ms 636 KB Output is correct
47 Correct 56 ms 604 KB Output is correct
48 Correct 61 ms 604 KB Output is correct
49 Correct 66 ms 600 KB Output is correct
50 Correct 68 ms 600 KB Output is correct
51 Correct 72 ms 344 KB Output is correct
52 Correct 77 ms 604 KB Output is correct
53 Correct 77 ms 604 KB Output is correct
54 Correct 83 ms 604 KB Output is correct

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Execution timed out 2062 ms 12548 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 376 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 456 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Execution timed out 2062 ms 12548 KB Time limit exceeded
30 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 376 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 456 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 32 ms 580 KB Output is correct
30 Correct 78 ms 600 KB Output is correct
31 Correct 79 ms 604 KB Output is correct
32 Correct 69 ms 600 KB Output is correct
33 Correct 59 ms 344 KB Output is correct
34 Correct 81 ms 604 KB Output is correct
35 Correct 87 ms 600 KB Output is correct
36 Correct 26 ms 604 KB Output is correct
37 Correct 41 ms 604 KB Output is correct
38 Correct 40 ms 464 KB Output is correct
39 Correct 50 ms 604 KB Output is correct
40 Correct 58 ms 856 KB Output is correct
41 Correct 62 ms 604 KB Output is correct
42 Correct 60 ms 604 KB Output is correct
43 Correct 52 ms 344 KB Output is correct
44 Correct 63 ms 360 KB Output is correct
45 Correct 64 ms 604 KB Output is correct
46 Correct 63 ms 636 KB Output is correct
47 Correct 56 ms 604 KB Output is correct
48 Correct 61 ms 604 KB Output is correct
49 Correct 66 ms 600 KB Output is correct
50 Correct 68 ms 600 KB Output is correct
51 Correct 72 ms 344 KB Output is correct
52 Correct 77 ms 604 KB Output is correct
53 Correct 77 ms 604 KB Output is correct
54 Correct 83 ms 604 KB Output is correct
55 Execution timed out 2060 ms 16196 KB Time limit exceeded
56 Halted 0 ms 0 KB -

Subtask #6
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 376 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 456 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 344 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 32 ms 580 KB Output is correct
30 Correct 78 ms 600 KB Output is correct
31 Correct 79 ms 604 KB Output is correct
32 Correct 69 ms 600 KB Output is correct
33 Correct 59 ms 344 KB Output is correct
34 Correct 81 ms 604 KB Output is correct
35 Correct 87 ms 600 KB Output is correct
36 Correct 26 ms 604 KB Output is correct
37 Correct 41 ms 604 KB Output is correct
38 Correct 40 ms 464 KB Output is correct
39 Correct 50 ms 604 KB Output is correct
40 Correct 58 ms 856 KB Output is correct
41 Correct 62 ms 604 KB Output is correct
42 Correct 60 ms 604 KB Output is correct
43 Correct 52 ms 344 KB Output is correct
44 Correct 63 ms 360 KB Output is correct
45 Correct 64 ms 604 KB Output is correct
46 Correct 63 ms 636 KB Output is correct
47 Correct 56 ms 604 KB Output is correct
48 Correct 61 ms 604 KB Output is correct
49 Correct 66 ms 600 KB Output is correct
50 Correct 68 ms 600 KB Output is correct
51 Correct 72 ms 344 KB Output is correct
52 Correct 77 ms 604 KB Output is correct
53 Correct 77 ms 604 KB Output is correct
54 Correct 83 ms 604 KB Output is correct
55 Execution timed out 2062 ms 12548 KB Time limit exceeded
56 Halted 0 ms 0 KB -