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Submission #699104

# Submission time Handle Problem Language Result Execution time Memory
699104 2023-02-15T15:27:17 Z mickeydesai Lasers (NOI19_lasers) C++14
100 / 100
 415 ms 95820 KB 
#pragma GCC optimize("O2")
#pragma GCC target("avx,avx2,fma")
#include<bits/stdc++.h>
#define ii pair<int,int>
#define fi first
#define se second
#define vi vector<int>
#define ll long long
#define FORU(i,j,n) for(int i=(j);i<=(n);i++)
#define FORD(i,j,n) for(int i=(j);i>=(n);i--)
using namespace std;
 
const int N=5e5+5;
int L,n;
int k[N];
vi x[N];
vi l[N],r[N];
set<ii> ans;
 
int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>L>>n;
    FORU(i,1,n)
    {
        cin>>k[i];
        x[i].resize(k[i]+2,0);
        l[i].resize(k[i]+2,0);
        r[i].resize(k[i]+2,0);
        FORU(j,1,k[i])cin>>x[i][j],l[i][j]=l[i][j-1]+x[i][j];
        FORD(j,k[i],1)r[i][j]=r[i][j+1]+x[i][j];
 
        FORU(j,1,k[i])
            if(l[i][j-1]+r[i][j]+x[i][j]>L)ans.insert({L-r[i][j]+1,l[i][j]});
    }
    int res=0,pre=1,cur=0;
    for(auto x:ans)
    {
        if(cur<x.fi-1)
        {
            res+=cur-pre+1;
            pre=x.fi;cur=x.se;
        }
        else cur=max(cur,x.se);
    }
    res+=cur-pre+1;
    cout<<res;
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 35540 KB Output is correct
2 Correct 20 ms 35552 KB Output is correct
3 Correct 23 ms 35444 KB Output is correct
4 Correct 19 ms 35560 KB Output is correct
5 Correct 21 ms 35540 KB Output is correct
6 Correct 18 ms 35540 KB Output is correct
7 Correct 20 ms 35556 KB Output is correct
8 Correct 20 ms 35540 KB Output is correct
9 Correct 19 ms 35540 KB Output is correct
10 Correct 19 ms 35464 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 35540 KB Output is correct
2 Correct 20 ms 35552 KB Output is correct
3 Correct 23 ms 35444 KB Output is correct
4 Correct 19 ms 35560 KB Output is correct
5 Correct 21 ms 35540 KB Output is correct
6 Correct 18 ms 35540 KB Output is correct
7 Correct 20 ms 35556 KB Output is correct
8 Correct 20 ms 35540 KB Output is correct
9 Correct 19 ms 35540 KB Output is correct
10 Correct 19 ms 35464 KB Output is correct
11 Correct 20 ms 35668 KB Output is correct
12 Correct 209 ms 83428 KB Output is correct
13 Correct 22 ms 35540 KB Output is correct
14 Correct 23 ms 35484 KB Output is correct
15 Correct 21 ms 35668 KB Output is correct
16 Correct 20 ms 35552 KB Output is correct
17 Correct 362 ms 93956 KB Output is correct
18 Correct 20 ms 35540 KB Output is correct
19 Correct 20 ms 35500 KB Output is correct
20 Correct 20 ms 35524 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 47052 KB Output is correct
2 Correct 31 ms 37624 KB Output is correct
3 Correct 28 ms 37332 KB Output is correct
4 Correct 70 ms 47900 KB Output is correct
5 Correct 40 ms 40276 KB Output is correct
6 Correct 49 ms 42564 KB Output is correct
7 Correct 21 ms 35704 KB Output is correct
8 Correct 56 ms 43816 KB Output is correct
9 Correct 55 ms 43804 KB Output is correct
10 Correct 82 ms 49924 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 35540 KB Output is correct
2 Correct 21 ms 35448 KB Output is correct
3 Correct 20 ms 35452 KB Output is correct
4 Correct 23 ms 35540 KB Output is correct
5 Correct 21 ms 35564 KB Output is correct
6 Correct 20 ms 35540 KB Output is correct
7 Correct 21 ms 35548 KB Output is correct
8 Correct 21 ms 35640 KB Output is correct
9 Correct 23 ms 35668 KB Output is correct
10 Correct 20 ms 35536 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 47052 KB Output is correct
2 Correct 31 ms 37624 KB Output is correct
3 Correct 28 ms 37332 KB Output is correct
4 Correct 70 ms 47900 KB Output is correct
5 Correct 40 ms 40276 KB Output is correct
6 Correct 49 ms 42564 KB Output is correct
7 Correct 21 ms 35704 KB Output is correct
8 Correct 56 ms 43816 KB Output is correct
9 Correct 55 ms 43804 KB Output is correct
10 Correct 82 ms 49924 KB Output is correct
11 Correct 21 ms 35540 KB Output is correct
12 Correct 21 ms 35448 KB Output is correct
13 Correct 20 ms 35452 KB Output is correct
14 Correct 23 ms 35540 KB Output is correct
15 Correct 21 ms 35564 KB Output is correct
16 Correct 20 ms 35540 KB Output is correct
17 Correct 21 ms 35548 KB Output is correct
18 Correct 21 ms 35640 KB Output is correct
19 Correct 23 ms 35668 KB Output is correct
20 Correct 20 ms 35536 KB Output is correct
21 Correct 386 ms 92944 KB Output is correct
22 Correct 47 ms 40040 KB Output is correct
23 Correct 34 ms 38928 KB Output is correct
24 Correct 81 ms 49176 KB Output is correct
25 Correct 385 ms 92868 KB Output is correct
26 Correct 80 ms 45016 KB Output is correct
27 Correct 42 ms 39196 KB Output is correct
28 Correct 372 ms 92760 KB Output is correct
29 Correct 384 ms 93072 KB Output is correct
30 Correct 62 ms 45316 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 35540 KB Output is correct
2 Correct 20 ms 35552 KB Output is correct
3 Correct 23 ms 35444 KB Output is correct
4 Correct 19 ms 35560 KB Output is correct
5 Correct 21 ms 35540 KB Output is correct
6 Correct 18 ms 35540 KB Output is correct
7 Correct 20 ms 35556 KB Output is correct
8 Correct 20 ms 35540 KB Output is correct
9 Correct 19 ms 35540 KB Output is correct
10 Correct 19 ms 35464 KB Output is correct
11 Correct 20 ms 35668 KB Output is correct
12 Correct 209 ms 83428 KB Output is correct
13 Correct 22 ms 35540 KB Output is correct
14 Correct 23 ms 35484 KB Output is correct
15 Correct 21 ms 35668 KB Output is correct
16 Correct 20 ms 35552 KB Output is correct
17 Correct 362 ms 93956 KB Output is correct
18 Correct 20 ms 35540 KB Output is correct
19 Correct 20 ms 35500 KB Output is correct
20 Correct 20 ms 35524 KB Output is correct
21 Correct 71 ms 47052 KB Output is correct
22 Correct 31 ms 37624 KB Output is correct
23 Correct 28 ms 37332 KB Output is correct
24 Correct 70 ms 47900 KB Output is correct
25 Correct 40 ms 40276 KB Output is correct
26 Correct 49 ms 42564 KB Output is correct
27 Correct 21 ms 35704 KB Output is correct
28 Correct 56 ms 43816 KB Output is correct
29 Correct 55 ms 43804 KB Output is correct
30 Correct 82 ms 49924 KB Output is correct
31 Correct 21 ms 35540 KB Output is correct
32 Correct 21 ms 35448 KB Output is correct
33 Correct 20 ms 35452 KB Output is correct
34 Correct 23 ms 35540 KB Output is correct
35 Correct 21 ms 35564 KB Output is correct
36 Correct 20 ms 35540 KB Output is correct
37 Correct 21 ms 35548 KB Output is correct
38 Correct 21 ms 35640 KB Output is correct
39 Correct 23 ms 35668 KB Output is correct
40 Correct 20 ms 35536 KB Output is correct
41 Correct 386 ms 92944 KB Output is correct
42 Correct 47 ms 40040 KB Output is correct
43 Correct 34 ms 38928 KB Output is correct
44 Correct 81 ms 49176 KB Output is correct
45 Correct 385 ms 92868 KB Output is correct
46 Correct 80 ms 45016 KB Output is correct
47 Correct 42 ms 39196 KB Output is correct
48 Correct 372 ms 92760 KB Output is correct
49 Correct 384 ms 93072 KB Output is correct
50 Correct 62 ms 45316 KB Output is correct
51 Correct 41 ms 40020 KB Output is correct
52 Correct 415 ms 94684 KB Output is correct
53 Correct 394 ms 94944 KB Output is correct
54 Correct 66 ms 41472 KB Output is correct
55 Correct 137 ms 50088 KB Output is correct
56 Correct 77 ms 46824 KB Output is correct
57 Correct 92 ms 45788 KB Output is correct
58 Correct 407 ms 95820 KB Output is correct
59 Correct 70 ms 43212 KB Output is correct
60 Correct 87 ms 45272 KB Output is correct