| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 448250 |
2021-07-29T12:37:33 Z |
JovanB |
None (JOI14_ho_t3) |
C++17 |
|
79 ms |
4468 KB |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
ll pre[200005];
int lp, rp;
ll ternary(int l, int r){
if(r-l <= 3){
ll mn = 1e18;
for(int i=l; i<=r; i++){
ll x = abs(pre[i]-pre[lp-1]-(pre[rp]-pre[i]));
mn = min(mn, x);
}
return (pre[rp]-pre[lp-1]-mn)/2;
}
int a = l + (r-l)/3;
int b = r - (r-l)/3;
ll a1 = abs(pre[a]-pre[lp-1]-(pre[rp]-pre[a]));
ll b1 = abs(pre[b]-pre[lp-1]-(pre[rp]-pre[b]));
if(a1 == b1) return ternary(a, b);
if(a1 < b1) return ternary(l, b);
if(a1 > b1) return ternary(a, r);
}
ll a[200005];
int main(){
ios_base::sync_with_stdio(false), cin.tie(0);
cout.precision(10);
cout << fixed;
int n;
cin >> n;
for(int i=1; i<=n; i++){
cin >> a[i];
a[i+n] = a[i];
}
for(int i=1; i<=2*n; i++){
pre[i] = pre[i-1]+a[i];
}
int r = 1;
ll res = 0;
for(int l=1; l<=n; l++){
lp = r+1;
rp = l+n-1;
while(ternary(r+1, l+n-1) >= pre[r]-pre[l-1]){
res = max(res, pre[r]-pre[l-1]);
r++;
lp = r+1;
rp = l+n-1;
}
}
cout << res << "\n";
return 0;
}
Compilation message
2014_ho_t3.cpp: In function 'll ternary(int, int)':
2014_ho_t3.cpp:27:1: warning: control reaches end of non-void function [-Wreturn-type]
27 | }
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
316 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
316 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
316 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
5 ms |
588 KB |
Output is correct |
| 22 |
Correct |
5 ms |
588 KB |
Output is correct |
| 23 |
Correct |
5 ms |
588 KB |
Output is correct |
| 24 |
Correct |
5 ms |
588 KB |
Output is correct |
| 25 |
Correct |
5 ms |
588 KB |
Output is correct |
| 26 |
Correct |
5 ms |
588 KB |
Output is correct |
| 27 |
Correct |
5 ms |
588 KB |
Output is correct |
| 28 |
Correct |
5 ms |
584 KB |
Output is correct |
| 29 |
Correct |
5 ms |
588 KB |
Output is correct |
| 30 |
Correct |
5 ms |
588 KB |
Output is correct |
| 31 |
Correct |
4 ms |
588 KB |
Output is correct |
| 32 |
Correct |
4 ms |
588 KB |
Output is correct |
| 33 |
Correct |
4 ms |
588 KB |
Output is correct |
| 34 |
Correct |
4 ms |
588 KB |
Output is correct |
| 35 |
Correct |
5 ms |
588 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
332 KB |
Output is correct |
| 2 |
Correct |
1 ms |
332 KB |
Output is correct |
| 3 |
Correct |
1 ms |
204 KB |
Output is correct |
| 4 |
Correct |
1 ms |
204 KB |
Output is correct |
| 5 |
Correct |
1 ms |
332 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
332 KB |
Output is correct |
| 8 |
Correct |
1 ms |
332 KB |
Output is correct |
| 9 |
Correct |
1 ms |
204 KB |
Output is correct |
| 10 |
Correct |
1 ms |
316 KB |
Output is correct |
| 11 |
Correct |
1 ms |
332 KB |
Output is correct |
| 12 |
Correct |
1 ms |
332 KB |
Output is correct |
| 13 |
Correct |
1 ms |
332 KB |
Output is correct |
| 14 |
Correct |
1 ms |
332 KB |
Output is correct |
| 15 |
Correct |
1 ms |
332 KB |
Output is correct |
| 16 |
Correct |
1 ms |
332 KB |
Output is correct |
| 17 |
Correct |
1 ms |
332 KB |
Output is correct |
| 18 |
Correct |
1 ms |
332 KB |
Output is correct |
| 19 |
Correct |
1 ms |
332 KB |
Output is correct |
| 20 |
Correct |
1 ms |
332 KB |
Output is correct |
| 21 |
Correct |
5 ms |
588 KB |
Output is correct |
| 22 |
Correct |
5 ms |
588 KB |
Output is correct |
| 23 |
Correct |
5 ms |
588 KB |
Output is correct |
| 24 |
Correct |
5 ms |
588 KB |
Output is correct |
| 25 |
Correct |
5 ms |
588 KB |
Output is correct |
| 26 |
Correct |
5 ms |
588 KB |
Output is correct |
| 27 |
Correct |
5 ms |
588 KB |
Output is correct |
| 28 |
Correct |
5 ms |
584 KB |
Output is correct |
| 29 |
Correct |
5 ms |
588 KB |
Output is correct |
| 30 |
Correct |
5 ms |
588 KB |
Output is correct |
| 31 |
Correct |
4 ms |
588 KB |
Output is correct |
| 32 |
Correct |
4 ms |
588 KB |
Output is correct |
| 33 |
Correct |
4 ms |
588 KB |
Output is correct |
| 34 |
Correct |
4 ms |
588 KB |
Output is correct |
| 35 |
Correct |
5 ms |
588 KB |
Output is correct |
| 36 |
Correct |
77 ms |
4300 KB |
Output is correct |
| 37 |
Correct |
77 ms |
4300 KB |
Output is correct |
| 38 |
Correct |
78 ms |
4396 KB |
Output is correct |
| 39 |
Correct |
76 ms |
4396 KB |
Output is correct |
| 40 |
Correct |
77 ms |
4300 KB |
Output is correct |
| 41 |
Correct |
78 ms |
4468 KB |
Output is correct |
| 42 |
Correct |
79 ms |
4392 KB |
Output is correct |
| 43 |
Correct |
75 ms |
4300 KB |
Output is correct |
| 44 |
Correct |
78 ms |
4396 KB |
Output is correct |
| 45 |
Correct |
78 ms |
4300 KB |
Output is correct |
| 46 |
Correct |
62 ms |
3652 KB |
Output is correct |
| 47 |
Correct |
64 ms |
3532 KB |
Output is correct |
| 48 |
Correct |
61 ms |
3532 KB |
Output is correct |
