이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "gap.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define endl '\n'
#define INF 1e9+7
#define all(x) x.begin(),x.end()
using namespace std;
using namespace __gnu_pbds;
using ll=long long;
using pii=pair<int,int>;
using ppi=pair<int,pii>;
using oset=tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>;
template<typename T>
void _print(vector<T> x) {cerr<<"{"; for(auto e:x) cerr<<e<<","; cerr<<"}";}
void _print(pii x) {cerr<<"{"<<x.first<<","<<x.second<<"}";}
template<typename T>
void _print(T x) {cerr<<x;}
void dbg() {cerr<<endl;}
template<typename Head,typename... Tail>
void dbg(Head H,Tail... T) {
_print(H);
if(sizeof...(T)) cerr<<",";
else cerr<<"\"]";
dbg(T...);
}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:[\"",dbg(__VA_ARGS__)
//mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int n,t;
long long findGap(int T, int N)
{
n=N,t=T;
if(T==1) {
vector<ll> a(n);
ll l=0,r=1e18;
int li=0,ri=n-1;
for(int i=0;i<(n+1)/2;i++) {
if(li>ri) break;
ll mn,mx;
MinMax(l,r,&mn,&mx);
a[li++]=mn;
a[ri--]=mx;
l=mn+1;
r=mx-1;
}
ll ans=0;
for(int i=1;i<n;i++) {
ans=max(ans,a[i]-a[i-1]);
}
return ans;
}
//T=2
ll ans=0;
ll mn,mx;
ll templ=0,tempr=1e18;
MinMax(templ,tempr,&mn,&mx);
ll block=(mx-mn+1+n)/(n+1);
ll past=mn;
ll a,b;
for(ll i=mn;i<=mx;) {
MinMax(i,i+block,&a,&b);
// debug(i,i+block,a,b);
ans=max(ans,a-past);
if(b!=-1) past=b;
i=i+block+1;
}
return ans;
}
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