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Submission #492694

# Submission time Handle Problem Language Result Execution time Memory
492694 2021-12-08T12:34:20 Z Ronin13 Bigger segments (IZhO19_segments) C++14
100 / 100
 74 ms 16008 KB 
#include<bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define epb emplace_back
#define pb push_back
#define ff first
#define ss second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define inf 1e9+1
#define linf 1e18+1
using namespace std;
const int NMAX=2e7+1;
void solve(){
    int n;cin>>n;
    ll dp[n+1];
    ll DP[n+1];
    ll a[n+1];
    for(int i=1;i<=n;i++)cin>>a[i];
    ll pref[n+1];
    pref[0]=0;
    for(int i=1;i<=n;i++){
        pref[i]=pref[i-1]+a[i];
        dp[i]=1,DP[i]=pref[i];
    }
    dp[0]=0,DP[0]=0;
    for(int i=0;i<=n;i++){
        int l=i,r=n+1;
        while(l+1<r){
            int mid=(l+r)/2;
            if(pref[mid]-pref[i]>=DP[i])r=mid;
            else l=mid;
        }
        if(r==n+1){
            if(i<n){
                if(dp[i+1]>dp[i])continue;
                if(dp[i+1]==dp[i]){
                    DP[i+1]=min(DP[i+1],DP[i]+a[i+1]);
                    continue;
                }
                dp[i+1]=dp[i];
                DP[i+1]=DP[i]+a[i+1];
            }
            continue;
        }
        if(dp[r]>dp[i]+1)continue;
        dp[r]=dp[i]+1;
        DP[r]=pref[r]-pref[i];
        if(i<n){
            if(dp[i+1]>dp[i])continue;
            if(dp[i+1]==dp[i]){
                DP[i+1]=min(DP[i+1],DP[i]+a[i+1]);
                continue;
            }
            dp[i+1]=dp[i];
            DP[i+1]=DP[i]+a[i+1];
        }
    }
    cout<<dp[n];
}

int main(){
    ios_base::sync_with_stdio(false);cin.tie(0);
    //sieve();
    int test=1;//cin>>test;
    while(test--)solve();
return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 232 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 232 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 232 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 232 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 11 ms 3424 KB Output is correct
47 Correct 13 ms 3404 KB Output is correct
48 Correct 13 ms 3432 KB Output is correct
49 Correct 12 ms 3420 KB Output is correct
50 Correct 13 ms 3424 KB Output is correct
51 Correct 15 ms 3404 KB Output is correct
52 Correct 7 ms 1872 KB Output is correct
53 Correct 4 ms 1144 KB Output is correct
54 Correct 11 ms 3424 KB Output is correct
55 Correct 13 ms 3404 KB Output is correct
56 Correct 9 ms 3404 KB Output is correct
57 Correct 11 ms 3404 KB Output is correct
58 Correct 10 ms 3424 KB Output is correct
59 Correct 10 ms 3404 KB Output is correct
60 Correct 11 ms 3404 KB Output is correct

Subtask #5
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 232 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 0 ms 204 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 0 ms 204 KB Output is correct
28 Correct 0 ms 204 KB Output is correct
29 Correct 0 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 1 ms 332 KB Output is correct
41 Correct 1 ms 332 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 1 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 11 ms 3424 KB Output is correct
47 Correct 13 ms 3404 KB Output is correct
48 Correct 13 ms 3432 KB Output is correct
49 Correct 12 ms 3420 KB Output is correct
50 Correct 13 ms 3424 KB Output is correct
51 Correct 15 ms 3404 KB Output is correct
52 Correct 7 ms 1872 KB Output is correct
53 Correct 4 ms 1144 KB Output is correct
54 Correct 11 ms 3424 KB Output is correct
55 Correct 13 ms 3404 KB Output is correct
56 Correct 9 ms 3404 KB Output is correct
57 Correct 11 ms 3404 KB Output is correct
58 Correct 10 ms 3424 KB Output is correct
59 Correct 10 ms 3404 KB Output is correct
60 Correct 11 ms 3404 KB Output is correct
61 Correct 56 ms 15876 KB Output is correct
62 Correct 62 ms 15944 KB Output is correct
63 Correct 68 ms 16008 KB Output is correct
64 Correct 64 ms 15868 KB Output is correct
65 Correct 61 ms 15872 KB Output is correct
66 Correct 74 ms 15872 KB Output is correct
67 Correct 57 ms 12752 KB Output is correct
68 Correct 29 ms 6568 KB Output is correct
69 Correct 52 ms 15948 KB Output is correct
70 Correct 65 ms 15868 KB Output is correct
71 Correct 44 ms 15876 KB Output is correct
72 Correct 52 ms 15872 KB Output is correct
73 Correct 53 ms 15936 KB Output is correct
74 Correct 59 ms 15888 KB Output is correct
75 Correct 52 ms 15944 KB Output is correct