oj.uz

답안 #983487

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
983487 2024-05-15T14:54:53 Z sleepntsheep 게임 (APIO22_game) C++17
2 / 100
 5 ms 21592 KB 
#include "game.h"
#include <string>
#include <algorithm>

#define N 300000

std::basic_string<int> g[N], gt[N];
int n, k, from[N], to[N], cyclic, lvl[N];

int msb(int x) {
    return x ? 1 + msb(x >> 1) : 0;
}

void init(int n_, int k_) {
    n = n_, k = k_;
    for (int i = 0; i < k; ++i)
        to[i] = i, from[i] = i + 1;
    for (int i = k; i < n; ++i)
        from[i] = k, to[i] = 0;
    for (int i = 0; i < n; ++i)
        lvl[i] = msb(from[i] ^ to[i]);
}

void check(int u) {
    if (to[u] >= from[u] || cyclic) {
        cyclic = 86;
        return;
    }
    int d = msb(from[u] ^ to[u]);
    if (d > lvl[u]) {
        lvl[u] = d;
        for (auto v : g[u]) {
            to[v] = std::max(to[v], to[u]);
            check(v);
        }
        for (auto v : gt[u]) {
            from[v] = std::min(from[v], from[u]);
            check(v);
        }
    }
}

int add_teleporter(int u, int v) {
    if (cyclic)
        return 1;
    g[u].push_back(v);
    gt[v].push_back(u);

    to[v] = std::max(to[v], to[u]);
    from[u] = std::min(from[u], from[v]);
    if (u < k) to[v] = std::max(to[v], u);
    if (v < k) from[u] = std::min(from[u], v);

    check(u);
    check(v);

    return !!cyclic;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 21592 KB Output is correct
2 Correct 4 ms 21592 KB Output is correct
3 Correct 4 ms 21592 KB Output is correct
4 Correct 4 ms 21592 KB Output is correct
5 Correct 4 ms 21592 KB Output is correct
6 Correct 5 ms 21592 KB Output is correct
7 Correct 5 ms 21592 KB Output is correct

Subtask #2
0.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 21592 KB Output is correct
2 Correct 4 ms 21592 KB Output is correct
3 Correct 4 ms 21592 KB Output is correct
4 Correct 4 ms 21592 KB Output is correct
5 Correct 4 ms 21592 KB Output is correct
6 Correct 5 ms 21592 KB Output is correct
7 Correct 5 ms 21592 KB Output is correct
8 Incorrect 4 ms 21592 KB Wrong Answer[1]
9 Halted 0 ms 0 KB -

Subtask #3
0.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 21592 KB Output is correct
2 Correct 4 ms 21592 KB Output is correct
3 Correct 4 ms 21592 KB Output is correct
4 Correct 4 ms 21592 KB Output is correct
5 Correct 4 ms 21592 KB Output is correct
6 Correct 5 ms 21592 KB Output is correct
7 Correct 5 ms 21592 KB Output is correct
8 Incorrect 4 ms 21592 KB Wrong Answer[1]
9 Halted 0 ms 0 KB -

Subtask #4
0.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 21592 KB Output is correct
2 Correct 4 ms 21592 KB Output is correct
3 Correct 4 ms 21592 KB Output is correct
4 Correct 4 ms 21592 KB Output is correct
5 Correct 4 ms 21592 KB Output is correct
6 Correct 5 ms 21592 KB Output is correct
7 Correct 5 ms 21592 KB Output is correct
8 Incorrect 4 ms 21592 KB Wrong Answer[1]
9 Halted 0 ms 0 KB -

Subtask #5
0.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 21592 KB Output is correct
2 Correct 4 ms 21592 KB Output is correct
3 Correct 4 ms 21592 KB Output is correct
4 Correct 4 ms 21592 KB Output is correct
5 Correct 4 ms 21592 KB Output is correct
6 Correct 5 ms 21592 KB Output is correct
7 Correct 5 ms 21592 KB Output is correct
8 Incorrect 4 ms 21592 KB Wrong Answer[1]
9 Halted 0 ms 0 KB -