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Submission #485603

# Submission time Handle Problem Language Result Execution time Memory
485603 2021-11-08T14:18:24 Z azberjibiou None (JOI14_ho_t3) C++17
100 / 100
 107 ms 3624 KB 
#include <bits/stdc++.h>
#define gibon ios::sync_with_stdio(false); cin.tie(0);
#define bp __builtin_popcount
#define fir first
#define sec second
#define pss pair<short, short>
#define pii pair<int, int>
#define pll pair<ll, ll>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
typedef long long ll;
using namespace std;
int dx[4]={0, 1, 0, -1}, dy[4]={1, 0, -1 , 0};
const int mxN=100005;
const int mxM=350;
const int mxK=350;
const ll MOD=998244353;
const ll INF=100000000000001;
int N;
ll A[mxN];
ll sum[mxN], cnt[mxN];
bool solv(ll num)
{
    for(int i=0;i<N;i++)    cnt[i]=sum[i]=0;
    while(sum[0]<num)
    {
        sum[0]+=A[cnt[0]];
        cnt[0]++;
    }
    for(int i=1;i<N;i++)
    {
        sum[i]=sum[i-1]-A[i-1];
        cnt[i]=cnt[i-1]-1;
        while(sum[i]<num)
        {
            sum[i]+=A[(i+cnt[i])%N];
            cnt[i]++;
        }
    }
    for(int i=0;i<N;i++)
    {
        int t1=i;
        int t2=(t1+cnt[t1])%N;
        int t3=(t2+cnt[t2])%N;
        int tsum=cnt[t1]+cnt[t2]+cnt[t3];
        if(tsum<=N) return true;
    }
    return false;
}
int main()
{
    gibon
    cin >> N;
    for(int i=0;i<N;i++)    cin >> A[i];
    ll s=INF, e=0;
    for(int i=0;i<N;i++)    s=min(s, A[i]);
    for(int i=0;i<N;i++)    e+=A[i];
    while(s!=e)
    {
        ll mid=(s+e)/2;
        if(solv(mid))   s=mid+1;
        else    e=mid;
    }
    cout << s-1;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 312 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 320 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 312 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 320 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 312 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 320 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 4 ms 460 KB Output is correct
22 Correct 5 ms 552 KB Output is correct
23 Correct 4 ms 460 KB Output is correct
24 Correct 5 ms 460 KB Output is correct
25 Correct 5 ms 460 KB Output is correct
26 Correct 8 ms 588 KB Output is correct
27 Correct 7 ms 588 KB Output is correct
28 Correct 7 ms 588 KB Output is correct
29 Correct 7 ms 596 KB Output is correct
30 Correct 7 ms 592 KB Output is correct
31 Correct 5 ms 460 KB Output is correct
32 Correct 4 ms 460 KB Output is correct
33 Correct 4 ms 460 KB Output is correct
34 Correct 4 ms 460 KB Output is correct
35 Correct 5 ms 460 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 312 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 0 ms 320 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 324 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 1 ms 320 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 2 ms 332 KB Output is correct
14 Correct 1 ms 332 KB Output is correct
15 Correct 1 ms 332 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 332 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 4 ms 460 KB Output is correct
22 Correct 5 ms 552 KB Output is correct
23 Correct 4 ms 460 KB Output is correct
24 Correct 5 ms 460 KB Output is correct
25 Correct 5 ms 460 KB Output is correct
26 Correct 8 ms 588 KB Output is correct
27 Correct 7 ms 588 KB Output is correct
28 Correct 7 ms 588 KB Output is correct
29 Correct 7 ms 596 KB Output is correct
30 Correct 7 ms 592 KB Output is correct
31 Correct 5 ms 460 KB Output is correct
32 Correct 4 ms 460 KB Output is correct
33 Correct 4 ms 460 KB Output is correct
34 Correct 4 ms 460 KB Output is correct
35 Correct 5 ms 460 KB Output is correct
36 Correct 93 ms 3532 KB Output is correct
37 Correct 107 ms 3612 KB Output is correct
38 Correct 95 ms 3608 KB Output is correct
39 Correct 90 ms 3556 KB Output is correct
40 Correct 100 ms 3612 KB Output is correct
41 Correct 94 ms 3532 KB Output is correct
42 Correct 92 ms 3532 KB Output is correct
43 Correct 100 ms 3612 KB Output is correct
44 Correct 92 ms 3532 KB Output is correct
45 Correct 101 ms 3624 KB Output is correct
46 Correct 40 ms 2764 KB Output is correct
47 Correct 41 ms 2764 KB Output is correct
48 Correct 40 ms 2764 KB Output is correct