# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
930556 |
2024-02-20T06:42:00 Z |
vjudge1 |
Game (IOI14_game) |
C++17 |
|
0 ms |
0 KB |
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define ll long long
#define maksim gay
// #define int ll
#define pb push_back
#define sz(s) (int)s.size()
#define pii pair<int,int>
#define all(v) v.begin(),v.end()
#define mem(a,i) memset(a,i,sizeof(a))
#define in insert
#define lb lower_bound
#define ub upper_bound
#define y1 yy
#define ppb pop_back
const int MAX=1500+10;
const int inf=2e9;
const int N=2e5;
const int mod=998244353;
int binpow(int a,int n){
if(n==0)return 1;
if(n%2)return a*binpow(a,n-1)%mod;
int k=binpow(a,n/2);
return k*k%mod;
}
int d[MAX][MAX];
int f[MAX];
int get(int v){
if(f[v]==v)return v;
return f[v]=get(f[v]);
}
void unite(int u,int v){
u=get(u);
v=get(v);
for(int i=0;i<n;i++){
if(i==u||i==v)continue;
d[u][i]+=d[v][i];
d[i][u]+=d[i][v];
d[v][i]=0;
d[i][v]=0;
}
f[v]=u;
}
void initialize(int n) {
for(int i=0;i<n;i++){
f[i]=i;
for(int j=0;j<n;j++){
if(i!=j)d[i][j]=1;
}
}
}
int hasEdge(int u, int v) {
u=get(u);
v=get(v);
if(u==v){
return 0;
}
if(d[u][v]==1){
d[u][v]--;
unite(u,v);
return 1;
}
else{
d[u][v]--;
return 0;
}
}
// signed main()
// {
// int n;
// int k;
// int i, j;
// int status = 0;
// cin>>n>>k;
// int op[k],left[k],height[k],right[k+1],finalHeight[n+1];
// for (i = 0; i < k; i++){
// cin>>op[i]>>left[i]>>right[i]>>height[i];
// }
// buildWall(n, k, op, left, right, height, finalHeight);
// // for (j = 0; j < n; j++)
// // printf("%d\n", finalHeight[j]);
// // return 0;
// }
Compilation message
game.cpp: In function 'void unite(int, int)':
game.cpp:44:17: error: 'n' was not declared in this scope
44 | for(int i=0;i<n;i++){
| ^