Submission #1160895

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1160895	2025-03-03 08:58:16	JahonaliX	Game (IOI14_game)	C++20	Compilation error	0 ms	0 KiB

game

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#include <bits/stdc++.h>
using namespace std;
struct dsu {
    int n;
    vector<int> p, c, f;
    dsu() {}
    dsu(int m) {
        n = m;
        p.assign(n, 0);
        c.assign(n, 1);
        f.assign(n, 0);
        iota(p.begin(), p.end(), 0);
    }
    int find(int x) {
        if (x == p[x]) return x;
        return p[x] = find(p[x]);
    }
    void merge(int a, int b) {
        p[b] = a;
        f[a] = f[a] + f[b] - c[a] * c[b] * 2;
        c[a] += c[b];
    }
};
int n, p, k;
dsu d;
void initialize(int N) { n = k = N, d = dsu(n), p = n * (n - 1) / 2; }
 
 
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Compilation message (stderr)

game.cpp: In function 'int hasEdge(int, int)':
game.cpp:39:20: error: lvalue required as left operand of assignment
   39 |     if (d.f[u] + k - 1 = d.c[u] * (n - d.c[u]) || d.f[v] + k - 1 == d.c[v] * (n - d.c[u]) || p == n - 1) {