답안 #103430

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
103430 2019-03-30T15:53:51 Z Alliance Art Exhibition (JOI18_art) C++14
100 / 100
574 ms 25500 KB
// In the name of Allah. Ya ali!
#include<bits/stdc++.h>
#define double long double
typedef long long ll;
const ll MAX_N = 1.2e6+10;
const ll MOD = 1e9+7;
using namespace std;

ll mx[MAX_N];
ll fl[MAX_N];
pair<ll,ll> lr[MAX_N];
int n,y;

void shift(int k)
{
    int l = k*2;
    int r = k*2+1;
    fl[l] += fl[k];
    fl[r] += fl[k];
    mx[l] += fl[k];
    mx[r] += fl[k];
    fl[k] = 0;
}

void update(int k)
{
    mx[k] = max(mx[k*2],mx[k*2+1]);
}

void add(int l,int r,int a,int b,int k,ll x)
{
    if (r<a or b<l)
        return;
    if (a<=l and r<=b)
    {
        fl[k] += x;
        mx[k] += x;
        return;
    }
    int mid = (l+r)/2;
    shift(k);
    add(l,mid,a,b,k*2,x);
    add(mid+1,r,a,b,k*2+1,x);
    update(k);
}

int main()
{
    cin >> n;
    y = (1<<((int)ceil(log2(n))));
    ll ans = 0;
    for(int i = 0;i<n;++i)
        scanf("%lld%lld",&lr[i].first,&lr[i].second),ans = max(ans,lr[i].second);
    sort(lr,lr+n);
    add(0,y-1,0,0,1,lr[0].second);
    for(int i = 1;i<n;++i)
    {
        add(0,y-1,0,i-1,1,-lr[i].first+lr[i-1].first+lr[i].second);
        add(0,y-1,i,i,1,max(lr[i].second,mx[1]));
        ans = max(ans,mx[1]);
    }
    cout << ans;
    return 0;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:53:53: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld",&lr[i].first,&lr[i].second),ans = max(ans,lr[i].second);
         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 7 ms 640 KB Output is correct
28 Correct 6 ms 640 KB Output is correct
29 Correct 8 ms 640 KB Output is correct
30 Correct 7 ms 640 KB Output is correct
31 Correct 7 ms 640 KB Output is correct
32 Correct 5 ms 640 KB Output is correct
33 Correct 7 ms 640 KB Output is correct
34 Correct 6 ms 640 KB Output is correct
35 Correct 8 ms 640 KB Output is correct
36 Correct 6 ms 560 KB Output is correct
37 Correct 6 ms 640 KB Output is correct
38 Correct 7 ms 640 KB Output is correct
39 Correct 4 ms 640 KB Output is correct
40 Correct 7 ms 640 KB Output is correct
41 Correct 7 ms 640 KB Output is correct
42 Correct 6 ms 640 KB Output is correct
43 Correct 8 ms 640 KB Output is correct
44 Correct 6 ms 640 KB Output is correct
45 Correct 7 ms 640 KB Output is correct
46 Correct 7 ms 640 KB Output is correct
47 Correct 9 ms 640 KB Output is correct
48 Correct 7 ms 640 KB Output is correct
49 Correct 7 ms 640 KB Output is correct
50 Correct 8 ms 640 KB Output is correct
51 Correct 7 ms 640 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 3 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 384 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 3 ms 384 KB Output is correct
19 Correct 2 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 7 ms 640 KB Output is correct
28 Correct 6 ms 640 KB Output is correct
29 Correct 8 ms 640 KB Output is correct
30 Correct 7 ms 640 KB Output is correct
31 Correct 7 ms 640 KB Output is correct
32 Correct 5 ms 640 KB Output is correct
33 Correct 7 ms 640 KB Output is correct
34 Correct 6 ms 640 KB Output is correct
35 Correct 8 ms 640 KB Output is correct
36 Correct 6 ms 560 KB Output is correct
37 Correct 6 ms 640 KB Output is correct
38 Correct 7 ms 640 KB Output is correct
39 Correct 4 ms 640 KB Output is correct
40 Correct 7 ms 640 KB Output is correct
41 Correct 7 ms 640 KB Output is correct
42 Correct 6 ms 640 KB Output is correct
43 Correct 8 ms 640 KB Output is correct
44 Correct 6 ms 640 KB Output is correct
45 Correct 7 ms 640 KB Output is correct
46 Correct 7 ms 640 KB Output is correct
47 Correct 9 ms 640 KB Output is correct
48 Correct 7 ms 640 KB Output is correct
49 Correct 7 ms 640 KB Output is correct
50 Correct 8 ms 640 KB Output is correct
51 Correct 7 ms 640 KB Output is correct
52 Correct 574 ms 24024 KB Output is correct
53 Correct 560 ms 24028 KB Output is correct
54 Correct 541 ms 23860 KB Output is correct
55 Correct 546 ms 23876 KB Output is correct
56 Correct 529 ms 23904 KB Output is correct
57 Correct 499 ms 24028 KB Output is correct
58 Correct 475 ms 23864 KB Output is correct
59 Correct 487 ms 23928 KB Output is correct
60 Correct 518 ms 23928 KB Output is correct
61 Correct 502 ms 23928 KB Output is correct
62 Correct 472 ms 25464 KB Output is correct
63 Correct 572 ms 25500 KB Output is correct
64 Correct 478 ms 25472 KB Output is correct
65 Correct 440 ms 25336 KB Output is correct
66 Correct 454 ms 25464 KB Output is correct
67 Correct 481 ms 25276 KB Output is correct
68 Correct 540 ms 25336 KB Output is correct