제출 #1265138

#제출 시각아이디문제언어결과실행 시간메모리
1265138canhnam357게임 (IOI14_game)C++20
15 / 100
0 ms580 KiB
#include <bits/stdc++.h>
#include "game.h"
using namespace std;
#define N 1500
int S[N][N], R[N], T[N];
int n;
void initialize(int _n) {
    n = _n;
    for (int i = 0; i < n; i++) {
        R[i] = i;
        for (int j = i + 1; j <= n; j++) {
            S[i][j] = S[j][i] = 1;
        }
    }
}
int hasEdge(int u, int v) {
    if (R[u] == R[v]) return 0;
    if (S[R[u]][R[v]] > 1) {
        S[R[u]][R[v]]--;
        S[R[v]][R[u]]--;
        return 0;
    }
    for (int i = 0; i < n; i++) T[i] = 0;
    for (int i = 0; i < n; i++) {
        if (R[i] != R[u] && R[i] != R[v] && !T[R[i]]) {
            T[R[i]] = 1;
            int k = S[R[u]][R[i]] + S[R[v]][R[i]];
            S[R[u]][R[i]] = S[R[i]][R[u]] = k;
        }
        else if (R[i] == R[v]) R[i] = R[u];
    }
    return 1;
}
// int read_int() {
//     int x;
//     assert(scanf("%d", &x) == 1);
//     return x;
// }

// int main() {
//     int n, u, v;
//     n = read_int();
//     initialize(n);
//     for (int i = 0; i < n * (n - 1) / 2; i++) {
//         u = read_int();
//         v = read_int();
//         printf("%d\n", hasEdge(u, v));
//     }
//     return 0;
// }
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