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Submission #743081

# Submission time Handle Problem Language Result Execution time Memory
743081 2023-05-17T07:46:25 Z vjudge1 Lasers (NOI19_lasers) C++17
100 / 100
 193 ms 13800 KB 
#include <bits/stdc++.h>
using namespace std;
using pi = pair<int,int>;

int l,r,in,n,ans=0;
int qs[500005]={};
vector<pi> ep;

int main()
{
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> l >> r;
    qs[0]=0;
    for(int i=0;i<r;i++){
        cin >> n;
        for(int j=1;j<=n;j++){
            cin >> qs[j];
            qs[j]+=qs[j-1];
        }
        //qs[n+1]=qs[n];
        for(int j=1;j<=n;j++){
            //gen ep
            int sp=qs[j-1],sn=qs[n]-qs[j],val=qs[j]-qs[j-1];
            int L=val,M=l-sn-sp;
            //cout << '=' << L << ' ' << M << endl;
            if(M-L+1 > L)continue;
            ep.push_back({M-L+1+sp,1});
            ep.push_back({L+1+sp,-1});
        }
    }
    sort(ep.begin(),ep.end());
    ep.push_back({l,-9999});
    int block=0;
    for(int i=0,j=ep.size()-1;i<j;i++){
        auto[indx,v]=ep[i];
        //cout << indx << ' ' << v << ' ' << endl;
        block+=v;
        if(block>=1 && (ep[i+1]).first > indx){
            ans+=((ep[i+1]).first - indx);
        }
    }
    cout << ans;
    return 0;
}
/*
11 3
2 2 3
1 7
2 4 1
*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 119 ms 13800 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 320 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 121 ms 9424 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 336 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 5696 KB Output is correct
2 Correct 15 ms 1300 KB Output is correct
3 Correct 9 ms 1132 KB Output is correct
4 Correct 69 ms 5840 KB Output is correct
5 Correct 34 ms 3272 KB Output is correct
6 Correct 54 ms 3532 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 35 ms 3248 KB Output is correct
9 Correct 28 ms 5300 KB Output is correct
10 Correct 61 ms 5968 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 324 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 324 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 340 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 5696 KB Output is correct
2 Correct 15 ms 1300 KB Output is correct
3 Correct 9 ms 1132 KB Output is correct
4 Correct 69 ms 5840 KB Output is correct
5 Correct 34 ms 3272 KB Output is correct
6 Correct 54 ms 3532 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 35 ms 3248 KB Output is correct
9 Correct 28 ms 5300 KB Output is correct
10 Correct 61 ms 5968 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 1 ms 328 KB Output is correct
19 Correct 1 ms 336 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 130 ms 8632 KB Output is correct
22 Correct 34 ms 2004 KB Output is correct
23 Correct 15 ms 1876 KB Output is correct
24 Correct 56 ms 5896 KB Output is correct
25 Correct 136 ms 8508 KB Output is correct
26 Correct 43 ms 5708 KB Output is correct
27 Correct 18 ms 2000 KB Output is correct
28 Correct 193 ms 8672 KB Output is correct
29 Correct 136 ms 8632 KB Output is correct
30 Correct 57 ms 3448 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 119 ms 13800 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 320 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 121 ms 9424 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 51 ms 5696 KB Output is correct
22 Correct 15 ms 1300 KB Output is correct
23 Correct 9 ms 1132 KB Output is correct
24 Correct 69 ms 5840 KB Output is correct
25 Correct 34 ms 3272 KB Output is correct
26 Correct 54 ms 3532 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 35 ms 3248 KB Output is correct
29 Correct 28 ms 5300 KB Output is correct
30 Correct 61 ms 5968 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 324 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 328 KB Output is correct
39 Correct 1 ms 336 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 130 ms 8632 KB Output is correct
42 Correct 34 ms 2004 KB Output is correct
43 Correct 15 ms 1876 KB Output is correct
44 Correct 56 ms 5896 KB Output is correct
45 Correct 136 ms 8508 KB Output is correct
46 Correct 43 ms 5708 KB Output is correct
47 Correct 18 ms 2000 KB Output is correct
48 Correct 193 ms 8672 KB Output is correct
49 Correct 136 ms 8632 KB Output is correct
50 Correct 57 ms 3448 KB Output is correct
51 Correct 17 ms 2144 KB Output is correct
52 Correct 124 ms 9272 KB Output is correct
53 Correct 130 ms 9240 KB Output is correct
54 Correct 37 ms 3812 KB Output is correct
55 Correct 80 ms 6908 KB Output is correct
56 Correct 71 ms 6208 KB Output is correct
57 Correct 54 ms 6580 KB Output is correct
58 Correct 140 ms 9196 KB Output is correct
59 Correct 57 ms 3544 KB Output is correct
60 Correct 50 ms 4680 KB Output is correct