oj.uz

Submission #295338

# Submission time Handle Problem Language Result Execution time Memory
295338 2020-09-09T15:40:04 Z beso123 Lasers (NOI19_lasers) C++14
100 / 100
 761 ms 49120 KB 
#include <bits/stdc++.h>
#define int long long
#define pii pair<int,int>
#define x first
#define y second
using namespace std;
int L,n,pas,bal[1000005];
vector<int> g[1000005];
vector<pii> both(vector<pii> A,vector<pii> B){
    vector<pii> AB;
    AB.reserve(A.size()+B.size());
    AB.insert(AB.end(),A.begin(),A.end());
    AB.insert(AB.end(),B.begin(),B.end());
    return AB;
}
main(){
cin>>L>>n;
for(int k=1;k<=n;k++){
    int N;
    cin>>N;
    int sum=0;
    g[k].push_back(0);
    for(int i=1;i<=N;i++){
        int b;
        cin>>b;
        sum+=b;
        g[k].push_back(b);
    }
    bal[k]=L-sum;
}
vector<pii> v;
for(int k=1;k<=n;k++){
        int sum=0;
  int l=1,r=bal[k];
  vector<pii> bad,newv;
  for(int i=1;i<g[k].size();i++){
        int pos=g[k][i];
    sum+=g[k][i];
    int l1=sum+1,r1=sum+bal[k];
   if(l<=l1 && l1<=r)
    r=max(r1,r);
   else{
    bad.push_back({r+1,l1-1});
    l=l1;
    r=r1;
   }
  }
v=both(v,bad);
if(v.size()){
sort(v.begin(),v.end());
int cl=v[0].x,cr=v[0].y;
v.push_back({INT_MAX,INT_MAX});
for(int k=0;k<v.size();k++){
     if(cl<=v[k].x && v[k].x<=cr)
    cr=max(v[k].y,cr);
   else{
    newv.push_back({cl,cr});
    cl=v[k].x;
    cr=v[k].y;
   }
}
}
v.resize(0);
v=newv;
}
for(int k=0;k<v.size();k++){
        if(v[k].x<=v[k].y)
        pas+=(v[k].y-v[k].x+1);
}
cout<<pas;
return 0;
}

Compilation message

lasers.cpp:16:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   16 | main(){
      |      ^
lasers.cpp: In function 'int main()':
lasers.cpp:36:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |   for(int i=1;i<g[k].size();i++){
      |               ~^~~~~~~~~~~~
lasers.cpp:37:13: warning: unused variable 'pos' [-Wunused-variable]
   37 |         int pos=g[k][i];
      |             ^~~
lasers.cpp:53:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 | for(int k=0;k<v.size();k++){
      |             ~^~~~~~~~~
lasers.cpp:66:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   66 | for(int k=0;k<v.size();k++){
      |             ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 23808 KB Output is correct
2 Correct 16 ms 23808 KB Output is correct
3 Correct 16 ms 23808 KB Output is correct
4 Correct 17 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 17 ms 23808 KB Output is correct
7 Correct 17 ms 23808 KB Output is correct
8 Correct 17 ms 23808 KB Output is correct
9 Correct 16 ms 23808 KB Output is correct
10 Correct 16 ms 23808 KB Output is correct

Subtask #2
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 23808 KB Output is correct
2 Correct 16 ms 23808 KB Output is correct
3 Correct 16 ms 23808 KB Output is correct
4 Correct 17 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 17 ms 23808 KB Output is correct
7 Correct 17 ms 23808 KB Output is correct
8 Correct 17 ms 23808 KB Output is correct
9 Correct 16 ms 23808 KB Output is correct
10 Correct 16 ms 23808 KB Output is correct
11 Correct 18 ms 23808 KB Output is correct
12 Correct 761 ms 49096 KB Output is correct
13 Correct 16 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 18 ms 23808 KB Output is correct
16 Correct 20 ms 23808 KB Output is correct
17 Correct 751 ms 49016 KB Output is correct
18 Correct 16 ms 23808 KB Output is correct
19 Correct 17 ms 23808 KB Output is correct
20 Correct 16 ms 23808 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 145 ms 38848 KB Output is correct
2 Correct 42 ms 26220 KB Output is correct
3 Correct 47 ms 25968 KB Output is correct
4 Correct 152 ms 39312 KB Output is correct
5 Correct 71 ms 30952 KB Output is correct
6 Correct 136 ms 32348 KB Output is correct
7 Correct 19 ms 24132 KB Output is correct
8 Correct 155 ms 34904 KB Output is correct
9 Correct 85 ms 34624 KB Output is correct
10 Correct 155 ms 40128 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23808 KB Output is correct
2 Correct 16 ms 23808 KB Output is correct
3 Correct 17 ms 23808 KB Output is correct
4 Correct 17 ms 23808 KB Output is correct
5 Correct 16 ms 23808 KB Output is correct
6 Correct 17 ms 23808 KB Output is correct
7 Correct 17 ms 23820 KB Output is correct
8 Correct 17 ms 23808 KB Output is correct
9 Correct 18 ms 23808 KB Output is correct
10 Correct 18 ms 23808 KB Output is correct

Subtask #5
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 145 ms 38848 KB Output is correct
2 Correct 42 ms 26220 KB Output is correct
3 Correct 47 ms 25968 KB Output is correct
4 Correct 152 ms 39312 KB Output is correct
5 Correct 71 ms 30952 KB Output is correct
6 Correct 136 ms 32348 KB Output is correct
7 Correct 19 ms 24132 KB Output is correct
8 Correct 155 ms 34904 KB Output is correct
9 Correct 85 ms 34624 KB Output is correct
10 Correct 155 ms 40128 KB Output is correct
11 Correct 17 ms 23808 KB Output is correct
12 Correct 16 ms 23808 KB Output is correct
13 Correct 17 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 16 ms 23808 KB Output is correct
16 Correct 17 ms 23808 KB Output is correct
17 Correct 17 ms 23820 KB Output is correct
18 Correct 17 ms 23808 KB Output is correct
19 Correct 18 ms 23808 KB Output is correct
20 Correct 18 ms 23808 KB Output is correct
21 Correct 655 ms 47740 KB Output is correct
22 Correct 86 ms 26104 KB Output is correct
23 Correct 57 ms 26468 KB Output is correct
24 Correct 189 ms 34464 KB Output is correct
25 Correct 664 ms 47492 KB Output is correct
26 Correct 150 ms 28152 KB Output is correct
27 Correct 72 ms 25592 KB Output is correct
28 Correct 652 ms 47564 KB Output is correct
29 Correct 643 ms 47608 KB Output is correct
30 Correct 149 ms 31184 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 23808 KB Output is correct
2 Correct 16 ms 23808 KB Output is correct
3 Correct 16 ms 23808 KB Output is correct
4 Correct 17 ms 23808 KB Output is correct
5 Correct 17 ms 23808 KB Output is correct
6 Correct 17 ms 23808 KB Output is correct
7 Correct 17 ms 23808 KB Output is correct
8 Correct 17 ms 23808 KB Output is correct
9 Correct 16 ms 23808 KB Output is correct
10 Correct 16 ms 23808 KB Output is correct
11 Correct 18 ms 23808 KB Output is correct
12 Correct 761 ms 49096 KB Output is correct
13 Correct 16 ms 23808 KB Output is correct
14 Correct 17 ms 23808 KB Output is correct
15 Correct 18 ms 23808 KB Output is correct
16 Correct 20 ms 23808 KB Output is correct
17 Correct 751 ms 49016 KB Output is correct
18 Correct 16 ms 23808 KB Output is correct
19 Correct 17 ms 23808 KB Output is correct
20 Correct 16 ms 23808 KB Output is correct
21 Correct 145 ms 38848 KB Output is correct
22 Correct 42 ms 26220 KB Output is correct
23 Correct 47 ms 25968 KB Output is correct
24 Correct 152 ms 39312 KB Output is correct
25 Correct 71 ms 30952 KB Output is correct
26 Correct 136 ms 32348 KB Output is correct
27 Correct 19 ms 24132 KB Output is correct
28 Correct 155 ms 34904 KB Output is correct
29 Correct 85 ms 34624 KB Output is correct
30 Correct 155 ms 40128 KB Output is correct
31 Correct 17 ms 23808 KB Output is correct
32 Correct 16 ms 23808 KB Output is correct
33 Correct 17 ms 23808 KB Output is correct
34 Correct 17 ms 23808 KB Output is correct
35 Correct 16 ms 23808 KB Output is correct
36 Correct 17 ms 23808 KB Output is correct
37 Correct 17 ms 23820 KB Output is correct
38 Correct 17 ms 23808 KB Output is correct
39 Correct 18 ms 23808 KB Output is correct
40 Correct 18 ms 23808 KB Output is correct
41 Correct 655 ms 47740 KB Output is correct
42 Correct 86 ms 26104 KB Output is correct
43 Correct 57 ms 26468 KB Output is correct
44 Correct 189 ms 34464 KB Output is correct
45 Correct 664 ms 47492 KB Output is correct
46 Correct 150 ms 28152 KB Output is correct
47 Correct 72 ms 25592 KB Output is correct
48 Correct 652 ms 47564 KB Output is correct
49 Correct 643 ms 47608 KB Output is correct
50 Correct 149 ms 31184 KB Output is correct
51 Correct 98 ms 27244 KB Output is correct
52 Correct 756 ms 49120 KB Output is correct
53 Correct 735 ms 48760 KB Output is correct
54 Correct 151 ms 27512 KB Output is correct
55 Correct 325 ms 32440 KB Output is correct
56 Correct 201 ms 32040 KB Output is correct
57 Correct 215 ms 29304 KB Output is correct
58 Correct 744 ms 49016 KB Output is correct
59 Correct 157 ms 27772 KB Output is correct
60 Correct 239 ms 29688 KB Output is correct