답안 #242468

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
242468 2020-06-27T18:50:53 Z AmineWeslati Lasers (NOI19_lasers) C++14
100 / 100
219 ms 10048 KB
//Never stop trying
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;

template <typename T>
using ordered_set=tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//s.order_of_key(), *s.find_by_order()

using namespace std;
#define boost ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)

typedef string str;
typedef long long ll;
//#define int ll
typedef double db;
typedef long double ld;

typedef pair<int,int> pi;
#define fi first
#define se second

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<str> vs;
typedef vector<pi> vpi;

#define pb push_back
#define eb emplace_back
#define pf push_front

#define lb lower_bound
#define ub upper_bound

#define sz(x) (int)x.size()
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
#define endl "\n"

const int MOD = 1e9+7; //998244353
const ll INF = 1e18;
const int nx[4]={0,0,1,-1}, ny[4]={1,-1,0,0}; //right left down up

int main(){
   boost;
	int L,R;cin>>L>>R;
	vpi vec;

	while(R--){
      int N; cin>>N; if(N==0) continue;
      int t[N]; vpi v;
      int l=0,r=0,ll=L+1,rr;
      for(int i=0; i<N; i++){
         cin>>t[i];
         r+=t[i];
      }
      if(r==L){
         vec.pb({1,L}); continue;
      }
      v.pb({r+1,L});

      int idx=N-1;
      while(idx>=0){
         r-=t[idx]; ll-=t[idx];
         v.pb({r+1,ll-1});
         idx--;
      }
      v.pb({L+1,L+1});


      /*for(auto x: v) cout << x.fi << ' '<<x.se << endl;
      cout << endl;*/
      sort(all(v));



      l=v[0].fi,r=v[0].se;
      for(int i=1; i<sz(v); i++){
         ll=v[i].fi,rr=v[i].se;
         //cout << l << ' '<< r << endl;
         if(!(ll>r+1||l>rr+1)){
            l=min(l,ll); r=max(r,rr);
         }
         else{
            vec.pb({r+1,ll-1});
            l=ll; r=rr;
         }
      }

      /*for(auto x: vec) cout << x.fi << ' '<<x.se << endl;
      cout << endl;*/

	}

   sort(all(vec));
   /*for(auto x: vec) cout << x.fi << ' '<<x.se << endl;
   cout << endl;*/
   if(vec.empty()){
      cout << 0 << endl;
      return 0;
   }
	int res=0;
	int l=vec[0].fi,r=vec[0].se;
	for(int i=1; i<sz(vec); i++){
	   int ll=vec[i].fi,rr=vec[i].se;
      if(!(ll>r||l>rr)){
         l=min(l,ll); r=max(r,rr);
      }
      else{
         res+=r-l+1;
         l=ll,r=rr;
      }
	}
	res+=r-l+1;
	cout << res << endl;

   return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 133 ms 10048 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 208 ms 7864 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 75 ms 7176 KB Output is correct
2 Correct 17 ms 1788 KB Output is correct
3 Correct 24 ms 1632 KB Output is correct
4 Correct 75 ms 6644 KB Output is correct
5 Correct 37 ms 3484 KB Output is correct
6 Correct 79 ms 6764 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 91 ms 8984 KB Output is correct
9 Correct 40 ms 4204 KB Output is correct
10 Correct 80 ms 8148 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 75 ms 7176 KB Output is correct
2 Correct 17 ms 1788 KB Output is correct
3 Correct 24 ms 1632 KB Output is correct
4 Correct 75 ms 6644 KB Output is correct
5 Correct 37 ms 3484 KB Output is correct
6 Correct 79 ms 6764 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 91 ms 8984 KB Output is correct
9 Correct 40 ms 4204 KB Output is correct
10 Correct 80 ms 8148 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 203 ms 6764 KB Output is correct
22 Correct 30 ms 1536 KB Output is correct
23 Correct 23 ms 1736 KB Output is correct
24 Correct 92 ms 5944 KB Output is correct
25 Correct 206 ms 6636 KB Output is correct
26 Correct 61 ms 3796 KB Output is correct
27 Correct 28 ms 1532 KB Output is correct
28 Correct 205 ms 6632 KB Output is correct
29 Correct 207 ms 6760 KB Output is correct
30 Correct 73 ms 3664 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 4 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 133 ms 10048 KB Output is correct
13 Correct 4 ms 384 KB Output is correct
14 Correct 4 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 208 ms 7864 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 75 ms 7176 KB Output is correct
22 Correct 17 ms 1788 KB Output is correct
23 Correct 24 ms 1632 KB Output is correct
24 Correct 75 ms 6644 KB Output is correct
25 Correct 37 ms 3484 KB Output is correct
26 Correct 79 ms 6764 KB Output is correct
27 Correct 5 ms 512 KB Output is correct
28 Correct 91 ms 8984 KB Output is correct
29 Correct 40 ms 4204 KB Output is correct
30 Correct 80 ms 8148 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 384 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 384 KB Output is correct
37 Correct 5 ms 384 KB Output is correct
38 Correct 5 ms 384 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 203 ms 6764 KB Output is correct
42 Correct 30 ms 1536 KB Output is correct
43 Correct 23 ms 1736 KB Output is correct
44 Correct 92 ms 5944 KB Output is correct
45 Correct 206 ms 6636 KB Output is correct
46 Correct 61 ms 3796 KB Output is correct
47 Correct 28 ms 1532 KB Output is correct
48 Correct 205 ms 6632 KB Output is correct
49 Correct 207 ms 6760 KB Output is correct
50 Correct 73 ms 3664 KB Output is correct
51 Correct 32 ms 2104 KB Output is correct
52 Correct 214 ms 8040 KB Output is correct
53 Correct 211 ms 7832 KB Output is correct
54 Correct 47 ms 2924 KB Output is correct
55 Correct 110 ms 5232 KB Output is correct
56 Correct 75 ms 5204 KB Output is correct
57 Correct 75 ms 4564 KB Output is correct
58 Correct 219 ms 8044 KB Output is correct
59 Correct 54 ms 2668 KB Output is correct
60 Correct 75 ms 3684 KB Output is correct