Submission #1005940

# Submission time Handle Problem Language Result Execution time Memory
1005940 2024-06-23T08:34:52 Z vjudge1 Gap (APIO16_gap) C++17
78.5412 / 100
52 ms 3632 KB
#include<bits/stdc++.h>
#include "gap.h"
#pragma GCC optimize("O3")
#pragma GCC target("avx2")
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define plx pair<ll,int>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
#define vi vector<int>
#define vl vector<ll>
using namespace std;
const int mxn=3e5+5;
/*multiset<ll>ms;
void MinMax(ll x,ll y,ll &x1,ll &y1){
    x1=*ms.lower_bound(x);
    y1=*prev(ms.upper_bound(y));
}*/
ll sol1(int n){
    ll mn=0,mx=1e18;
    int l=1,r=n;
    ll a[n+1];
    while(l<=r){
        ll s,t;
        MinMax(mn,mx,&s,&t);
        a[l++]=s;a[r--]=t;
        mn=s+1,mx=t-1;
    }ll ans=0;
    for(int i=2;i<=n;i++)ans=max(ans,a[i]-a[i-1]);
    return ans;
}
ll sol2(int n){
    ll mn=0,mx=1e18;
    ll s,t;MinMax(mn,mx,&s,&t);
    ll add = (t-s)/(n-1);
    ll ans=add;ll cs=s;
    while(s<t){
        ll cmn=cs,cmx=cs;
        ll tt=1;
        while(1){
            ll cl=cmn,cr=cmx;
            if(s+(tt-1)*add>t)break;
            MinMax(s+(tt-1)*add,s+tt*add,&cl,&cr);
            if(cl==-1&&cr==-1){tt++;continue;}
            cmn=cl,cmx=cr;break;
        }
        ans=max(ans,cmx-cmn);
        ans=max(ans,cmn-cs);
        s+=(tt)*add;cs=cmx;
    }return ans;
}
long long findGap(int T, int N){
    if(T==1)return sol1(N);
    else return sol2(N);
}
/*int main(){
    int n;cin>>n;
    for(int i=1;i<=n;i++){
        int x;cin>>x;ms.insert(x);
    }for(auto it : ms)cout<<it<<' ';cout<<'\n';
    cout<<findGap(2,n);
}*/
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 2400 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 0 ms 352 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 352 KB Output is correct
11 Correct 1 ms 356 KB Output is correct
12 Correct 1 ms 352 KB Output is correct
13 Correct 1 ms 356 KB Output is correct
14 Correct 0 ms 352 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 6 ms 2788 KB Output is correct
17 Correct 6 ms 2648 KB Output is correct
18 Correct 7 ms 2652 KB Output is correct
19 Correct 6 ms 608 KB Output is correct
20 Correct 6 ms 2652 KB Output is correct
21 Correct 30 ms 3520 KB Output is correct
22 Correct 29 ms 3632 KB Output is correct
23 Correct 25 ms 1888 KB Output is correct
24 Correct 27 ms 1880 KB Output is correct
25 Correct 22 ms 3428 KB Output is correct
26 Correct 36 ms 3424 KB Output is correct
27 Correct 36 ms 1880 KB Output is correct
28 Correct 33 ms 1948 KB Output is correct
29 Correct 25 ms 3428 KB Output is correct
30 Correct 22 ms 1892 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Partially correct 0 ms 344 KB Partially correct
3 Partially correct 1 ms 344 KB Partially correct
4 Partially correct 0 ms 344 KB Partially correct
5 Partially correct 0 ms 344 KB Partially correct
6 Partially correct 1 ms 344 KB Partially correct
7 Partially correct 1 ms 2392 KB Partially correct
8 Partially correct 0 ms 2392 KB Partially correct
9 Partially correct 0 ms 344 KB Partially correct
10 Partially correct 0 ms 344 KB Partially correct
11 Partially correct 1 ms 344 KB Partially correct
12 Partially correct 1 ms 344 KB Partially correct
13 Partially correct 1 ms 344 KB Partially correct
14 Partially correct 1 ms 344 KB Partially correct
15 Partially correct 1 ms 344 KB Partially correct
16 Partially correct 8 ms 2392 KB Partially correct
17 Partially correct 11 ms 2392 KB Partially correct
18 Partially correct 11 ms 600 KB Partially correct
19 Partially correct 8 ms 2392 KB Partially correct
20 Partially correct 6 ms 600 KB Partially correct
21 Partially correct 35 ms 1112 KB Partially correct
22 Partially correct 35 ms 1108 KB Partially correct
23 Partially correct 52 ms 996 KB Partially correct
24 Partially correct 34 ms 2652 KB Partially correct
25 Partially correct 34 ms 2652 KB Partially correct
26 Partially correct 35 ms 1072 KB Partially correct
27 Partially correct 35 ms 1116 KB Partially correct
28 Partially correct 31 ms 1124 KB Partially correct
29 Partially correct 37 ms 1120 KB Partially correct
30 Partially correct 21 ms 1116 KB Partially correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 0 ms 348 KB Output is correct