#include<bits/stdc++.h>
using namespace std;
int h,w;
long long a[2][100005];
long long l[2][100005], r[2][100005];
set< pair<double, pair<int,int> > > st;
double calc(int id, int y) {
int x = l[id][y];
return ((double)(a[id][y]-a[id][x])) / (y-x);
}
int main() {
ios::sync_with_stdio(false);
cin >> h >> w;
l[0][h+1] = h;
for(int i=1; i<=h; i++) {
cin >> a[0][i];
l[0][i] = i-1; r[0][i] = i+1;
}
l[1][w+1] = w;
for(int i=1; i<=w; i++) {
cin >> a[1][i];
l[1][i] = i-1; r[1][i] = i+1;
}
for(int i=2; i<=h; i++) {
st.insert({calc(0, i), {0, i} });
}
for(int i=2; i<=w; i++) {
st.insert({{calc(1, i), {1, i} }});
}
long long ans = 0;
for(int i=0; i<h+w-2; i++) {
int id = (*prev(st.end())).second.first;
int y = (*prev(st.end())).second.second;
if(id==0) {
if(r[0][y] > h) {
ans += (a[1][l[1][w+1]] * (y - l[0][y]));
} else {
st.erase({calc(0, r[0][y]), {0, r[0][y]} });
}
} else {
if(r[1][y] > w) {
ans += (a[0][l[0][h+1]] * (y - l[1][y]));
} else {
st.erase({calc(1, r[1][y]), {1, r[1][y]} });
}
}
st.erase(prev(st.end()));
l[id][r[id][y]] = l[id][y];
r[id][l[id][y]] = r[id][y];
if(r[id][y] <= (id==0?h:w) && l[id][y] > 0) {
st.insert({calc(id, r[id][y]), {id, r[id][y]} });
}
}
cout << ans << "\n";
}
| # |
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 |
328 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
2 ms |
468 KB |
Output is correct |
| 10 |
Correct |
4 ms |
468 KB |
Output is correct |
| 11 |
Correct |
2 ms |
468 KB |
Output is correct |
| 12 |
Correct |
2 ms |
468 KB |
Output is correct |
| 13 |
Correct |
1 ms |
468 KB |
Output is correct |
| 14 |
Correct |
3 ms |
504 KB |
Output is correct |
| 15 |
Correct |
2 ms |
472 KB |
Output is correct |
| 16 |
Correct |
2 ms |
468 KB |
Output is correct |
| 17 |
Correct |
2 ms |
464 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
0 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
328 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
328 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
16 ms |
468 KB |
Output is correct |
| 4 |
Correct |
149 ms |
7688 KB |
Output is correct |
| 5 |
Correct |
59 ms |
7080 KB |
Output is correct |
| 6 |
Correct |
38 ms |
3208 KB |
Output is correct |
| 7 |
Correct |
502 ms |
18240 KB |
Output is correct |
| 8 |
Correct |
511 ms |
18136 KB |
Output is correct |
| 9 |
Correct |
548 ms |
18248 KB |
Output is correct |
| 10 |
Correct |
479 ms |
18088 KB |
Output is correct |
| 11 |
Correct |
97 ms |
18160 KB |
Output is correct |
| 12 |
Correct |
470 ms |
18264 KB |
Output is correct |
| 13 |
Correct |
487 ms |
18232 KB |
Output is correct |
| 14 |
Correct |
203 ms |
18276 KB |
Output is correct |
| 15 |
Correct |
56 ms |
18400 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
0 ms |
340 KB |
Output is correct |
| 20 |
Correct |
0 ms |
340 KB |
Output is correct |
| 21 |
Correct |
0 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
0 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
0 ms |
340 KB |
Output is correct |
| # |
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 |
328 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
2 ms |
468 KB |
Output is correct |
| 10 |
Correct |
4 ms |
468 KB |
Output is correct |
| 11 |
Correct |
2 ms |
468 KB |
Output is correct |
| 12 |
Correct |
2 ms |
468 KB |
Output is correct |
| 13 |
Correct |
1 ms |
468 KB |
Output is correct |
| 14 |
Correct |
3 ms |
504 KB |
Output is correct |
| 15 |
Correct |
2 ms |
472 KB |
Output is correct |
| 16 |
Correct |
2 ms |
468 KB |
Output is correct |
| 17 |
Correct |
2 ms |
464 KB |
Output is correct |
| 18 |
Correct |
0 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
0 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
328 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
328 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
340 KB |
Output is correct |
| 29 |
Correct |
1 ms |
340 KB |
Output is correct |
| 30 |
Correct |
0 ms |
340 KB |
Output is correct |
| 31 |
Correct |
16 ms |
468 KB |
Output is correct |
| 32 |
Correct |
149 ms |
7688 KB |
Output is correct |
| 33 |
Correct |
59 ms |
7080 KB |
Output is correct |
| 34 |
Correct |
38 ms |
3208 KB |
Output is correct |
| 35 |
Correct |
502 ms |
18240 KB |
Output is correct |
| 36 |
Correct |
511 ms |
18136 KB |
Output is correct |
| 37 |
Correct |
548 ms |
18248 KB |
Output is correct |
| 38 |
Correct |
479 ms |
18088 KB |
Output is correct |
| 39 |
Correct |
97 ms |
18160 KB |
Output is correct |
| 40 |
Correct |
470 ms |
18264 KB |
Output is correct |
| 41 |
Correct |
487 ms |
18232 KB |
Output is correct |
| 42 |
Correct |
203 ms |
18276 KB |
Output is correct |
| 43 |
Correct |
56 ms |
18400 KB |
Output is correct |
| 44 |
Correct |
1 ms |
340 KB |
Output is correct |
| 45 |
Correct |
1 ms |
340 KB |
Output is correct |
| 46 |
Correct |
0 ms |
340 KB |
Output is correct |
| 47 |
Correct |
0 ms |
340 KB |
Output is correct |
| 48 |
Correct |
0 ms |
340 KB |
Output is correct |
| 49 |
Correct |
0 ms |
340 KB |
Output is correct |
| 50 |
Correct |
1 ms |
340 KB |
Output is correct |
| 51 |
Correct |
0 ms |
340 KB |
Output is correct |
| 52 |
Correct |
1 ms |
340 KB |
Output is correct |
| 53 |
Correct |
1 ms |
340 KB |
Output is correct |
| 54 |
Correct |
0 ms |
340 KB |
Output is correct |
| 55 |
Correct |
180 ms |
8804 KB |
Output is correct |
| 56 |
Correct |
1 ms |
460 KB |
Output is correct |
| 57 |
Correct |
8 ms |
1108 KB |
Output is correct |
| 58 |
Correct |
30 ms |
2884 KB |
Output is correct |
| 59 |
Correct |
510 ms |
18968 KB |
Output is correct |
| 60 |
Correct |
493 ms |
17944 KB |
Output is correct |
| 61 |
Correct |
463 ms |
18176 KB |
Output is correct |
| 62 |
Correct |
502 ms |
17608 KB |
Output is correct |
| 63 |
Correct |
77 ms |
18764 KB |
Output is correct |
| 64 |
Correct |
464 ms |
18592 KB |
Output is correct |
| 65 |
Correct |
471 ms |
18932 KB |
Output is correct |
| 66 |
Correct |
123 ms |
18892 KB |
Output is correct |
| 67 |
Correct |
91 ms |
18908 KB |
Output is correct |
