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Submission #555465

# Submission time Handle Problem Language Result Execution time Memory
555465 2022-05-01T02:14:03 Z pokmui9909 Nekameleoni (COCI15_nekameleoni) C++17
42 / 140
 3000 ms 377176 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

ll N, K, Q;
const ll INF = 1e18;
struct Node{
    ll len, ans;
    vector<ll> L, R;
    Node(){}
    Node(ll _len, ll _ans){len = _len, ans = _ans; L.resize(55, INF); R.resize(55, -INF);}
};
Node f(Node p, Node q){
    Node ret(p.len + q.len, min(p.ans, q.ans));
    for(ll i = 1; i <= K; i++){
        ret.L[i] = min(p.L[i], q.L[i]);
        ret.R[i] = max(p.R[i], q.R[i]);
    }
    vector<pair<ll, ll>> V;
    for(ll i = 1; i <= K; i++){
        V.push_back({p.R[i], i});
    }
    sort(V.begin(), V.end());
    ll r = -1;
    for(ll i = 0; i < (ll)V.size() - 1; i++){
        if(q.L[V[i].second] == -INF) break;
        r = max(r, q.L[V[i].second]);
        ret.ans = min(ret.ans, r - V[i + 1].first + 1);
    }
    return ret;
}
Node T[400005];
void update(ll n, ll s, ll e, ll k, ll v){
    if(s == e){
        T[n] = Node(1, (K == 1 ? 1 : INF));
        T[n].L[v] = T[n].R[v] = k;
        return;
    }
    ll m = (s + e) / 2;
    if(k <= m) update(n * 2, s, m, k, v);
    else update(n * 2 + 1, m + 1, e, k, v);
    T[n] = f(T[n * 2], T[n * 2 + 1]);
}

int main(){
    cin.tie(0) -> sync_with_stdio(false);

    fill(T, T + 400005, Node(1, INF));
    cin >> N >> K >> Q;
    for(ll i = 1; i <= N; i++){
        ll v; cin >> v;
        update(1, 1, N, i, v);
    }
    while(Q--){
        ll op; cin >> op;
        if(op == 1){
            ll k, v; cin >> k >> v;
            update(1, 1, N, k, v);
        } else {
            cout << (T[1].ans > N ? -1 : T[1].ans) << '\n';
        }
    }
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 266 ms 376140 KB Output is correct
2 Correct 247 ms 376044 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 307 ms 376164 KB Output is correct
2 Correct 307 ms 376072 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 406 ms 376088 KB Output is correct
2 Correct 432 ms 376096 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1797 ms 376560 KB Output is correct
2 Execution timed out 3097 ms 376652 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3094 ms 376800 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3100 ms 377176 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3102 ms 376800 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3081 ms 376800 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3090 ms 376720 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3089 ms 376416 KB Time limit exceeded
2 Halted 0 ms 0 KB -