Submission #1005939

# Submission time Handle Problem Language Result Execution time Memory
1005939 2024-06-23T08:34:07 Z vjudge1 Gap (APIO16_gap) C++17
30 / 100
28 ms 3416 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)
            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 2392 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 2392 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 6 ms 600 KB Output is correct
17 Correct 6 ms 2740 KB Output is correct
18 Correct 9 ms 2904 KB Output is correct
19 Correct 7 ms 2648 KB Output is correct
20 Correct 5 ms 2648 KB Output is correct
21 Correct 25 ms 1996 KB Output is correct
22 Correct 28 ms 1880 KB Output is correct
23 Correct 26 ms 1880 KB Output is correct
24 Correct 26 ms 3416 KB Output is correct
25 Correct 22 ms 3416 KB Output is correct
26 Correct 27 ms 1872 KB Output is correct
27 Correct 28 ms 1876 KB Output is correct
28 Correct 23 ms 2184 KB Output is correct
29 Correct 28 ms 3416 KB Output is correct
30 Correct 23 ms 1880 KB Output is correct
31 Correct 0 ms 2392 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 Incorrect 0 ms 344 KB Output isn't correct
3 Incorrect 0 ms 344 KB Output isn't correct
4 Incorrect 0 ms 2392 KB Output isn't correct
5 Correct 0 ms 344 KB Output is correct
6 Incorrect 1 ms 2488 KB Output isn't correct
7 Incorrect 0 ms 344 KB Output isn't correct
8 Incorrect 0 ms 2392 KB Output isn't correct
9 Incorrect 0 ms 344 KB Output isn't correct
10 Incorrect 0 ms 344 KB Output isn't correct
11 Incorrect 1 ms 344 KB Output isn't correct
12 Incorrect 0 ms 344 KB Output isn't correct
13 Incorrect 1 ms 344 KB Output isn't correct
14 Incorrect 0 ms 344 KB Output isn't correct
15 Correct 0 ms 344 KB Output is correct
16 Incorrect 6 ms 460 KB Output isn't correct
17 Incorrect 3 ms 2644 KB Output isn't correct
18 Incorrect 3 ms 600 KB Output isn't correct
19 Incorrect 3 ms 600 KB Output isn't correct
20 Incorrect 2 ms 2392 KB Output isn't correct
21 Incorrect 12 ms 1228 KB Output isn't correct
22 Incorrect 12 ms 1112 KB Output isn't correct
23 Incorrect 12 ms 1112 KB Output isn't correct
24 Incorrect 12 ms 2648 KB Output isn't correct
25 Correct 10 ms 1244 KB Output is correct
26 Incorrect 16 ms 1112 KB Output isn't correct
27 Incorrect 12 ms 1112 KB Output isn't correct
28 Incorrect 12 ms 1112 KB Output isn't correct
29 Incorrect 13 ms 1012 KB Output isn't correct
30 Incorrect 7 ms 1112 KB Output isn't correct
31 Incorrect 1 ms 2392 KB Output isn't correct
32 Incorrect 0 ms 344 KB Output isn't correct