| # | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 171710 | 2019-12-30T07:06:53 Z | dennisstar | Art Exhibition (JOI18_art) | C++11 | 334 ms | 36924 KB |
#include <bits/stdc++.h>
#define fi first
#define se second
#define ryan bear
#define all(V) ((V).begin()), ((V).end())
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef long double ld;
typedef vector<int> vim;
typedef vector<ll> vlm;
int N;
pll ar[500010];
ll B[500010], C[500010];
ll seg[(1<<20)];
ll x, y;
ll mx(int fr, int re) {
fr+=(1<<19); re+=(1<<19);
ll ret=seg[0];
while (fr<=re) {
if (fr%2) ret=max(ret, seg[fr++]);
if (re%2==0) ret=max(ret, seg[re--]);
fr/=2; re/=2;
}
return ret;
}
int main() {
scanf("%d", &N);
for (int i=0; i<N; i++) {
scanf("%lld %lld", &x, &y);
ar[i]={x, y};
}
sort(ar, ar+N);
for (int i=0; i<N; i++) B[i]=ar[i].se, C[i]=ar[i].fi+ar[i].se-ar[i+1].fi;
for (int i=N-1; i>=0; i--) seg[i+(1<<19)]=seg[i+1+(1<<19)]+C[i];
for (int i=(1<<19)-1; i; i--) seg[i]=max(seg[i*2], seg[i*2+1]);
ll ans=B[0], s=0;
for (int i=N-1; i; i--) {
s+=C[i];
ans=max(ans, mx(0, i-1)-s+B[i]);
ans=max(ans, B[i]);
}
printf("%lld\n", ans);
return 0;
}
Compilation message
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 4476 KB | Output is correct |
| 2 | Correct | 7 ms | 4472 KB | Output is correct |
| 3 | Correct | 7 ms | 4472 KB | Output is correct |
| 4 | Correct | 7 ms | 4460 KB | Output is correct |
| 5 | Correct | 7 ms | 4448 KB | Output is correct |
| 6 | Correct | 7 ms | 4472 KB | Output is correct |
| 7 | Correct | 7 ms | 4472 KB | Output is correct |
| 8 | Correct | 7 ms | 4472 KB | Output is correct |
| 9 | Correct | 7 ms | 4472 KB | Output is correct |
| 10 | Correct | 7 ms | 4472 KB | Output is correct |
| 11 | Correct | 7 ms | 4472 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 4476 KB | Output is correct |
| 2 | Correct | 7 ms | 4472 KB | Output is correct |
| 3 | Correct | 7 ms | 4472 KB | Output is correct |
| 4 | Correct | 7 ms | 4460 KB | Output is correct |
| 5 | Correct | 7 ms | 4448 KB | Output is correct |
| 6 | Correct | 7 ms | 4472 KB | Output is correct |
| 7 | Correct | 7 ms | 4472 KB | Output is correct |
| 8 | Correct | 7 ms | 4472 KB | Output is correct |
| 9 | Correct | 7 ms | 4472 KB | Output is correct |
| 10 | Correct | 7 ms | 4472 KB | Output is correct |
| 11 | Correct | 7 ms | 4472 KB | Output is correct |
| 12 | Correct | 7 ms | 4472 KB | Output is correct |
| 13 | Correct | 7 ms | 4472 KB | Output is correct |
| 14 | Correct | 8 ms | 4600 KB | Output is correct |
| 15 | Correct | 7 ms | 4472 KB | Output is correct |
| 16 | Correct | 7 ms | 4472 KB | Output is correct |
| 17 | Correct | 7 ms | 4472 KB | Output is correct |
| 18 | Correct | 7 ms | 4472 KB | Output is correct |
| 19 | Correct | 7 ms | 4444 KB | Output is correct |
| 20 | Correct | 7 ms | 4472 KB | Output is correct |
| 21 | Correct | 7 ms | 4472 KB | Output is correct |
| 22 | Correct | 7 ms | 4472 KB | Output is correct |
| 23 | Correct | 7 ms | 4472 KB | Output is correct |
| 24 | Correct | 7 ms | 4444 KB | Output is correct |
| 25 | Correct | 7 ms | 4472 KB | Output is correct |
| 26 | Correct | 7 ms | 4472 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 4476 KB | Output is correct |
| 2 | Correct | 7 ms | 4472 KB | Output is correct |
| 3 | Correct | 7 ms | 4472 KB | Output is correct |
| 4 | Correct | 7 ms | 4460 KB | Output is correct |
| 5 | Correct | 7 ms | 4448 KB | Output is correct |
| 6 | Correct | 7 ms | 4472 KB | Output is correct |
| 7 | Correct | 7 ms | 4472 KB | Output is correct |
| 8 | Correct | 7 ms | 4472 KB | Output is correct |
| 9 | Correct | 7 ms | 4472 KB | Output is correct |
| 10 | Correct | 7 ms | 4472 KB | Output is correct |
| 11 | Correct | 7 ms | 4472 KB | Output is correct |
| 12 | Correct | 7 ms | 4472 KB | Output is correct |
| 13 | Correct | 7 ms | 4472 KB | Output is correct |
| 14 | Correct | 8 ms | 4600 KB | Output is correct |
| 15 | Correct | 7 ms | 4472 KB | Output is correct |
| 16 | Correct | 7 ms | 4472 KB | Output is correct |
| 17 | Correct | 7 ms | 4472 KB | Output is correct |
| 18 | Correct | 7 ms | 4472 KB | Output is correct |
| 19 | Correct | 7 ms | 4444 KB | Output is correct |
| 20 | Correct | 7 ms | 4472 KB | Output is correct |
| 21 | Correct | 7 ms | 4472 KB | Output is correct |
| 22 | Correct | 7 ms | 4472 KB | Output is correct |
| 23 | Correct | 7 ms | 4472 KB | Output is correct |
| 24 | Correct | 7 ms | 4444 KB | Output is correct |
| 25 | Correct | 7 ms | 4472 KB | Output is correct |
| 26 | Correct | 7 ms | 4472 KB | Output is correct |
| 27 | Correct | 10 ms | 4732 KB | Output is correct |
| 28 | Correct | 10 ms | 4728 KB | Output is correct |
| 29 | Correct | 10 ms | 4728 KB | Output is correct |
| 30 | Correct | 10 ms | 4728 KB | Output is correct |
| 31 | Correct | 10 ms | 4728 KB | Output is correct |
| 32 | Correct | 10 ms | 4728 KB | Output is correct |
| 33 | Correct | 10 ms | 4728 KB | Output is correct |
| 34 | Correct | 10 ms | 4716 KB | Output is correct |
| 35 | Correct | 10 ms | 4788 KB | Output is correct |
| 36 | Correct | 10 ms | 4856 KB | Output is correct |
| 37 | Correct | 10 ms | 4856 KB | Output is correct |
| 38 | Correct | 10 ms | 4856 KB | Output is correct |
| 39 | Correct | 10 ms | 4856 KB | Output is correct |
| 40 | Correct | 10 ms | 4728 KB | Output is correct |
| 41 | Correct | 10 ms | 4728 KB | Output is correct |
| 42 | Correct | 10 ms | 4728 KB | Output is correct |
| 43 | Correct | 11 ms | 4856 KB | Output is correct |
| 44 | Correct | 10 ms | 4856 KB | Output is correct |
| 45 | Correct | 10 ms | 4728 KB | Output is correct |
| 46 | Correct | 10 ms | 4728 KB | Output is correct |
| 47 | Correct | 11 ms | 4732 KB | Output is correct |
| 48 | Correct | 33 ms | 4828 KB | Output is correct |
| 49 | Correct | 10 ms | 4728 KB | Output is correct |
| 50 | Correct | 11 ms | 4700 KB | Output is correct |
| 51 | Correct | 11 ms | 4856 KB | Output is correct |
| # | Verdict | Execution time | Memory | Grader output |
|---|---|---|---|---|
| 1 | Correct | 7 ms | 4476 KB | Output is correct |
| 2 | Correct | 7 ms | 4472 KB | Output is correct |
| 3 | Correct | 7 ms | 4472 KB | Output is correct |
| 4 | Correct | 7 ms | 4460 KB | Output is correct |
| 5 | Correct | 7 ms | 4448 KB | Output is correct |
| 6 | Correct | 7 ms | 4472 KB | Output is correct |
| 7 | Correct | 7 ms | 4472 KB | Output is correct |
| 8 | Correct | 7 ms | 4472 KB | Output is correct |
| 9 | Correct | 7 ms | 4472 KB | Output is correct |
| 10 | Correct | 7 ms | 4472 KB | Output is correct |
| 11 | Correct | 7 ms | 4472 KB | Output is correct |
| 12 | Correct | 7 ms | 4472 KB | Output is correct |
| 13 | Correct | 7 ms | 4472 KB | Output is correct |
| 14 | Correct | 8 ms | 4600 KB | Output is correct |
| 15 | Correct | 7 ms | 4472 KB | Output is correct |
| 16 | Correct | 7 ms | 4472 KB | Output is correct |
| 17 | Correct | 7 ms | 4472 KB | Output is correct |
| 18 | Correct | 7 ms | 4472 KB | Output is correct |
| 19 | Correct | 7 ms | 4444 KB | Output is correct |
| 20 | Correct | 7 ms | 4472 KB | Output is correct |
| 21 | Correct | 7 ms | 4472 KB | Output is correct |
| 22 | Correct | 7 ms | 4472 KB | Output is correct |
| 23 | Correct | 7 ms | 4472 KB | Output is correct |
| 24 | Correct | 7 ms | 4444 KB | Output is correct |
| 25 | Correct | 7 ms | 4472 KB | Output is correct |
| 26 | Correct | 7 ms | 4472 KB | Output is correct |
| 27 | Correct | 10 ms | 4732 KB | Output is correct |
| 28 | Correct | 10 ms | 4728 KB | Output is correct |
| 29 | Correct | 10 ms | 4728 KB | Output is correct |
| 30 | Correct | 10 ms | 4728 KB | Output is correct |
| 31 | Correct | 10 ms | 4728 KB | Output is correct |
| 32 | Correct | 10 ms | 4728 KB | Output is correct |
| 33 | Correct | 10 ms | 4728 KB | Output is correct |
| 34 | Correct | 10 ms | 4716 KB | Output is correct |
| 35 | Correct | 10 ms | 4788 KB | Output is correct |
| 36 | Correct | 10 ms | 4856 KB | Output is correct |
| 37 | Correct | 10 ms | 4856 KB | Output is correct |
| 38 | Correct | 10 ms | 4856 KB | Output is correct |
| 39 | Correct | 10 ms | 4856 KB | Output is correct |
| 40 | Correct | 10 ms | 4728 KB | Output is correct |
| 41 | Correct | 10 ms | 4728 KB | Output is correct |
| 42 | Correct | 10 ms | 4728 KB | Output is correct |
| 43 | Correct | 11 ms | 4856 KB | Output is correct |
| 44 | Correct | 10 ms | 4856 KB | Output is correct |
| 45 | Correct | 10 ms | 4728 KB | Output is correct |
| 46 | Correct | 10 ms | 4728 KB | Output is correct |
| 47 | Correct | 11 ms | 4732 KB | Output is correct |
| 48 | Correct | 33 ms | 4828 KB | Output is correct |
| 49 | Correct | 10 ms | 4728 KB | Output is correct |
| 50 | Correct | 11 ms | 4700 KB | Output is correct |
| 51 | Correct | 11 ms | 4856 KB | Output is correct |
| 52 | Correct | 334 ms | 36680 KB | Output is correct |
| 53 | Correct | 326 ms | 36864 KB | Output is correct |
| 54 | Correct | 325 ms | 36732 KB | Output is correct |
| 55 | Correct | 334 ms | 36860 KB | Output is correct |
| 56 | Correct | 325 ms | 36740 KB | Output is correct |
| 57 | Correct | 333 ms | 36712 KB | Output is correct |
| 58 | Correct | 331 ms | 36764 KB | Output is correct |
| 59 | Correct | 329 ms | 36728 KB | Output is correct |
| 60 | Correct | 324 ms | 36728 KB | Output is correct |
| 61 | Correct | 327 ms | 36600 KB | Output is correct |
| 62 | Correct | 327 ms | 36924 KB | Output is correct |
| 63 | Correct | 329 ms | 36796 KB | Output is correct |
| 64 | Correct | 327 ms | 36804 KB | Output is correct |
| 65 | Correct | 325 ms | 36708 KB | Output is correct |
| 66 | Correct | 326 ms | 36728 KB | Output is correct |
| 67 | Correct | 324 ms | 36728 KB | Output is correct |
| 68 | Correct | 321 ms | 36724 KB | Output is correct |