oj.uz

Submission #1119818

# Submission time Handle Problem Language Result Execution time Memory
1119818 2024-11-27T13:09:49 Z onlk97 Sightseeing in Kyoto (JOI22_kyoto) C++14
100 / 100
 31 ms 5788 KB 
#include <bits/stdc++.h>
#define int long long
#define x first
#define y second
#define pb push_back
using namespace std;
using pii=pair <int,int>;
signed main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n,m;
    cin>>n>>m;
    int a[n+1],b[m+1];
    for (int i=1; i<=n; i++) cin>>a[i];
    for (int i=1; i<=m; i++) cin>>b[i];
    vector <pii> va,vb;
    va.pb({1,a[1]});
    for (int i=2; i<=n; i++){
        while (va.size()>1){
            int sz=va.size();
            if ((va[sz-1].y-va[sz-2].y)*(i-va[sz-1].x)>=(a[i]-va[sz-1].y)*(va[sz-1].x-va[sz-2].x)) va.pop_back();
            else break;
        }
        va.pb({i,a[i]});
    }
    vb.pb({1,b[1]});
    for (int i=2; i<=m; i++){
        while (vb.size()>1){
            int sz=vb.size();
            if ((vb[sz-1].y-vb[sz-2].y)*(i-vb[sz-1].x)>=(b[i]-vb[sz-1].y)*(vb[sz-1].x-vb[sz-2].x)) vb.pop_back();
            else break;
        }
        vb.pb({i,b[i]});
    }
    int ans=0,xp=0,yp=0;
    while (xp!=va.size()-1||yp!=vb.size()-1){
        int c;
        if (xp==va.size()-1) c=1;
        else if (yp==vb.size()-1) c=0;
        else if ((va[xp+1].y-va[xp].y)*(vb[yp+1].x-vb[yp].x)>=(vb[yp+1].y-vb[yp].y)*(va[xp+1].x-va[xp].x)) c=1;
        else c=0;
        if (c){
            ans+=va[xp].y*(vb[yp+1].x-vb[yp].x);
            yp++;
        } else {
            ans+=vb[yp].y*(va[xp+1].x-va[xp].x);
            xp++;
        }
    }
    cout<<ans<<'\n';
}

Compilation message

kyoto.cpp: In function 'int main()':
kyoto.cpp:35:14: 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]
   35 |     while (xp!=va.size()-1||yp!=vb.size()-1){
      |            ~~^~~~~~~~~~~~~
kyoto.cpp:35:31: 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]
   35 |     while (xp!=va.size()-1||yp!=vb.size()-1){
      |                             ~~^~~~~~~~~~~~~
kyoto.cpp:37:15: 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]
   37 |         if (xp==va.size()-1) c=1;
      |             ~~^~~~~~~~~~~~~
kyoto.cpp:38:20: 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]
   38 |         else if (yp==vb.size()-1) c=0;
      |                  ~~^~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 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 340 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 492 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 352 KB Output is correct
18 Correct 1 ms 352 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 352 KB Output is correct
21 Correct 1 ms 352 KB Output is correct
22 Correct 1 ms 352 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 464 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 352 KB Output is correct
27 Correct 1 ms 352 KB Output is correct
28 Correct 1 ms 464 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 464 KB Output is correct
4 Correct 6 ms 1376 KB Output is correct
5 Correct 8 ms 1120 KB Output is correct
6 Correct 4 ms 608 KB Output is correct
7 Correct 13 ms 2804 KB Output is correct
8 Correct 14 ms 2788 KB Output is correct
9 Correct 13 ms 2668 KB Output is correct
10 Correct 13 ms 2792 KB Output is correct
11 Correct 17 ms 2656 KB Output is correct
12 Correct 15 ms 2656 KB Output is correct
13 Correct 14 ms 2912 KB Output is correct
14 Correct 15 ms 2660 KB Output is correct
15 Correct 15 ms 2908 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 508 KB Output is correct
19 Correct 1 ms 596 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 468 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 508 KB Output is correct
26 Correct 1 ms 340 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 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 340 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 596 KB Output is correct
11 Correct 1 ms 492 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 352 KB Output is correct
18 Correct 1 ms 352 KB Output is correct
19 Correct 1 ms 352 KB Output is correct
20 Correct 1 ms 352 KB Output is correct
21 Correct 1 ms 352 KB Output is correct
22 Correct 1 ms 352 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 464 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 352 KB Output is correct
27 Correct 1 ms 352 KB Output is correct
28 Correct 1 ms 464 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 464 KB Output is correct
32 Correct 6 ms 1376 KB Output is correct
33 Correct 8 ms 1120 KB Output is correct
34 Correct 4 ms 608 KB Output is correct
35 Correct 13 ms 2804 KB Output is correct
36 Correct 14 ms 2788 KB Output is correct
37 Correct 13 ms 2668 KB Output is correct
38 Correct 13 ms 2792 KB Output is correct
39 Correct 17 ms 2656 KB Output is correct
40 Correct 15 ms 2656 KB Output is correct
41 Correct 14 ms 2912 KB Output is correct
42 Correct 15 ms 2660 KB Output is correct
43 Correct 15 ms 2908 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 508 KB Output is correct
47 Correct 1 ms 596 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 468 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 508 KB Output is correct
54 Correct 1 ms 340 KB Output is correct
55 Correct 10 ms 1876 KB Output is correct
56 Correct 1 ms 504 KB Output is correct
57 Correct 2 ms 596 KB Output is correct
58 Correct 4 ms 724 KB Output is correct
59 Correct 26 ms 3928 KB Output is correct
60 Correct 19 ms 3928 KB Output is correct
61 Correct 30 ms 3808 KB Output is correct
62 Correct 23 ms 3924 KB Output is correct
63 Correct 30 ms 5788 KB Output is correct
64 Correct 31 ms 3924 KB Output is correct
65 Correct 20 ms 3976 KB Output is correct
66 Correct 20 ms 3924 KB Output is correct
67 Correct 20 ms 3928 KB Output is correct