This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#pragma GCC diagnostic warning "-std=c++11"
#include <bits/stdc++.h>
#include "game.h"
#define pb push_back
#define f first
#define s second
#define MOD 1000000007
#define flush fflush(stdout)
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(), (x).rend()
using namespace std;
const int N=4005;
int n,k,m,cnt;
int ind[N],sz[N],q[N][N];
vector<int> C[N];
void merge(int a, int b) {
int c=(++cnt);
sz[c]=sz[a]+sz[b];
C[c].pb(a); C[c].pb(b);
for (auto x:C[a]) C[c].pb(x);
for (auto x:C[b]) C[c].pb(x);
for (auto x:C[c]) ind[x]=c;
for (int i=1; i<=2*n; i++) {
if (i==a || i==b || i==c) continue;
q[c][i]=q[a][i]+q[b][i];
q[i][c]=q[c][i];
}
}
void initialize(int n1) {
n=n1; cnt=n;
for (int i=1; i<=n; i++) {
ind[i]=i; sz[i]=1;
}
}
int hasEdge(int u, int v) {
u++; v++;
u=ind[u]; v=ind[v]; q[u][v]++; q[v][u]++;
if (sz[u]*sz[v]==q[u][v]) {
merge(u,v);
return 1;
}
return 0;
}
Compilation message (stderr)
game.cpp:1:32: warning: '-std=c++11' is not an option that controls warnings [-Wpragmas]
1 | #pragma GCC diagnostic warning "-std=c++11"
| ^~~~~~~~~~~~
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