답안 #555333

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
555333	2022-04-30T13:25:56 Z	600Mihnea	Sightseeing in Kyoto (JOI22_kyoto)	C++17	100 / 100	29 ms	3152 KB

kyoto

#include <bits/stdc++.h>

bool home = 1;

using namespace std;

typedef long long ll;
const int N=(int)1e5+7;
const ll INF=(ll)1e18+7;
int n;
int m;
ll a[N];
ll b[N];


signed main() {
#ifdef ONLINE_JUDGE
  home = 0;
#endif
  home = 0;

  if (home) {
    freopen("I_am_iron_man", "r", stdin);
  }
  else {
    ios::sync_with_stdio(0); cin.tie(0);
  }

  vector<int> shib_a, shib_b;
  cin>>n>>m;
  for (int i=1;i<=n;i++) {
    cin>>a[i];
    while (1) {
      if((int)shib_a.size()<2) break;
      int p1=shib_a[(int)shib_a.size()-2];
      int p2=shib_a[(int)shib_a.size()-1];
      if((a[i]-a[p2])*(p2-p1)<(a[p2]-a[p1])*(i-p2)) {
        shib_a.pop_back();
      }else{
        break;
      }
    }
    shib_a.push_back(i);
  }
  for (int i=1;i<=m;i++) {
    cin>>b[i];
    while (1) {
      if((int)shib_b.size()<2) break;
      int p1=shib_b[(int)shib_b.size()-2];
      int p2=shib_b[(int)shib_b.size()-1];
      if((b[i]-b[p2])*(p2-p1)<(b[p2]-b[p1])*(i-p2)) {
        shib_b.pop_back();
      }else{
        break;
      }
    }
    shib_b.push_back(i);
  }
  n=(int)shib_a.size()-1;
  m=(int)shib_b.size()-1;
  ll sol=0;
  int i=0,j=0;
  while(i<n||j<m){
    bool dojo=0;
    if(i==n){
      dojo=1;
    }else{
      if(j==m){
        dojo=0;
      }else{
        assert(i<n&&j<m);
        ll a1=shib_a[i];
        ll a2=shib_a[i+1];
        ll b1=shib_b[j];
        ll b2=shib_b[j+1];
        if((a[a2]-a[a1])*(b2-b1)>(b[b2]-b[b1])*(a2-a1)){
          dojo=1;
        }else{
          dojo=0;
        }
      }
    }
    if(dojo==0){
      assert(i<n);
      sol+=(shib_a[i+1]-shib_a[i])*b[shib_b[j]];
      i++;
    }else{
      assert(j<m);
      sol+=(shib_b[j+1]-shib_b[j])*a[shib_a[i]];
      j++;
    }
  }
  cout<<sol<<"\n";

}

Compilation message

kyoto.cpp: In function 'int main()':
kyoto.cpp:23:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |     freopen("I_am_iron_man", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 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	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	328 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	328 KB	Output is correct

Subtask #2
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	7 ms	1216 KB	Output is correct
5	Correct	6 ms	1116 KB	Output is correct
6	Correct	3 ms	668 KB	Output is correct
7	Correct	17 ms	2220 KB	Output is correct
8	Correct	17 ms	2228 KB	Output is correct
9	Correct	16 ms	2212 KB	Output is correct
10	Correct	17 ms	2184 KB	Output is correct
11	Correct	14 ms	2252 KB	Output is correct
12	Correct	16 ms	2228 KB	Output is correct
13	Correct	16 ms	2252 KB	Output is correct
14	Correct	14 ms	2296 KB	Output is correct
15	Correct	17 ms	3152 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	1 ms	212 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	212 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	340 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	212 KB	Output is correct

Subtask #3
60.0 / 60.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 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	340 KB	Output is correct
5	Correct	1 ms	340 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	340 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	340 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 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	212 KB	Output is correct
21	Correct	1 ms	212 KB	Output is correct
22	Correct	0 ms	212 KB	Output is correct
23	Correct	1 ms	212 KB	Output is correct
24	Correct	0 ms	212 KB	Output is correct
25	Correct	1 ms	328 KB	Output is correct
26	Correct	0 ms	340 KB	Output is correct
27	Correct	1 ms	212 KB	Output is correct
28	Correct	1 ms	328 KB	Output is correct
29	Correct	1 ms	212 KB	Output is correct
30	Correct	1 ms	212 KB	Output is correct
31	Correct	1 ms	332 KB	Output is correct
32	Correct	7 ms	1216 KB	Output is correct
33	Correct	6 ms	1116 KB	Output is correct
34	Correct	3 ms	668 KB	Output is correct
35	Correct	17 ms	2220 KB	Output is correct
36	Correct	17 ms	2228 KB	Output is correct
37	Correct	16 ms	2212 KB	Output is correct
38	Correct	17 ms	2184 KB	Output is correct
39	Correct	14 ms	2252 KB	Output is correct
40	Correct	16 ms	2228 KB	Output is correct
41	Correct	16 ms	2252 KB	Output is correct
42	Correct	14 ms	2296 KB	Output is correct
43	Correct	17 ms	3152 KB	Output is correct
44	Correct	0 ms	212 KB	Output is correct
45	Correct	1 ms	212 KB	Output is correct
46	Correct	1 ms	212 KB	Output is correct
47	Correct	1 ms	212 KB	Output is correct
48	Correct	1 ms	212 KB	Output is correct
49	Correct	1 ms	332 KB	Output is correct
50	Correct	1 ms	340 KB	Output is correct
51	Correct	1 ms	212 KB	Output is correct
52	Correct	0 ms	212 KB	Output is correct
53	Correct	1 ms	332 KB	Output is correct
54	Correct	1 ms	212 KB	Output is correct
55	Correct	12 ms	1356 KB	Output is correct
56	Correct	1 ms	332 KB	Output is correct
57	Correct	2 ms	468 KB	Output is correct
58	Correct	4 ms	700 KB	Output is correct
59	Correct	24 ms	2244 KB	Output is correct
60	Correct	27 ms	2248 KB	Output is correct
61	Correct	25 ms	2252 KB	Output is correct
62	Correct	24 ms	2280 KB	Output is correct
63	Correct	29 ms	3024 KB	Output is correct
64	Correct	29 ms	2188 KB	Output is correct
65	Correct	27 ms	2384 KB	Output is correct
66	Correct	23 ms	2240 KB	Output is correct
67	Correct	28 ms	3108 KB	Output is correct

답안 #555333

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 30.0 / 30.0

Subtask #3 60.0 / 60.0

Subtask #1
10.0 / 10.0

Subtask #2
30.0 / 30.0

Subtask #3
60.0 / 60.0