#include <bits/stdc++.h>
using namespace std;
#define TF(i, p, q) for(int i = (p); i <= (q); ++i)
#define TR(i, q, p) for(int i = (q); i >= (p); --i)
#define V vector
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define th third
#define rz resize
#define all(V) V.begin(), V.end()
#define rall(V) V.rbegin(), V.rend()
#define sz(V) (int)(V.size())
#define cmin(a, b) a = min(a, b)
#define cmax(a, b) a = max(a, b);
typedef pair<int,int> ii;
typedef queue<int> qi;
typedef queue<ii> qii;
typedef long long ll;
typedef vector<int> vi;
typedef vector<vector<int>>vvi;
typedef vector<vector<bool>>vvb;
typedef vector<bool> vb;
typedef vector<ii> vii;
constexpr int inf = 1e9 + 9;
int calc(int n, vb& tab){
int m = 0;
vi ms;
vi cms(n);
TF(i, 0, n-1){
if(tab[i]){
m++;
ms.pb(i);
}
}
if(m == 0) return 0;
int ck = ((n/m)+1) * 2;
int score = 0;
TF(i, 2, ck){
TF(j, 0, m-1){
int cid = ms[j]%i;
cms[cid]++;
cmax(score, cms[cid]);
}
TF(j, 0, m-1){
int cid = ms[j]%i;
cms[cid] = 0;
}
}
return score;
}
void solve(){
int n, q; cin >> n >> q;
vb tab(n);
while(q--){
int a; cin >> a; a--;
tab[a] = !tab[a];
cout << calc(n, tab) << endl;
}
}
int32_t main(){
ios_base::sync_with_stdio(0);
cin.tie(0); solve();
}
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 | #include <bits/stdc++.h> using namespace std; #define TF(i, p, q) for(int i = (p); i <= (q); ++i) #define TR(i, q, p) for(int i = (q); i >= (p); --i) #define V vector #define pb push_back #define eb emplace_back #define fi first #define se second #define th third #define rz resize #define all(V) V.begin(), V.end() #define rall(V) V.rbegin(), V.rend() #define sz(V) (int)(V.size()) #define cmin(a, b) a = min(a, b) #define cmax(a, b) a = max(a, b); typedef pair<int,int> ii; typedef queue<int> qi; typedef queue<ii> qii; typedef long long ll; typedef vector<int> vi; typedef vector<vector<int>>vvi; typedef vector<vector<bool>>vvb; typedef vector<bool> vb; typedef vector<ii> vii; constexpr int inf = 1e9 + 9; int calc(int n, vb& tab){ int m = 0; vi ms; vi cms(n); TF(i, 0, n-1){ if(tab[i]){ m++; ms.pb(i); } } if(m == 0) return 0; int ck = ((n/m)+1) * 2; int score = 0; TF(i, 2, ck){ TF(j, 0, m-1){ int cid = ms[j]%i; cms[cid]++; cmax(score, cms[cid]); } TF(j, 0, m-1){ int cid = ms[j]%i; cms[cid] = 0; } } return score; } void solve(){ int n, q; cin >> n >> q; vb tab(n); while(q--){ int a; cin >> a; a--; tab[a] = !tab[a]; cout << calc(n, tab) << endl; } } int32_t main(){ ios_base::sync_with_stdio(0); cin.tie(0); solve(); } |
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