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답안 #733878

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
733878 2023-05-01T11:30:13 Z bgnbvnbv Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 2019 ms 141432 KB 
#include<bits/stdc++.h>
#define TASKNAME "codeforce"
#define pb push_back
#define pli pair<ll,ll>
#define fi first
#define se second
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
using namespace std;
using ll=long long;
const ll maxN=1e6+10;
const ll inf=1e18;
const ll mod=1e9+7;
ll n,q;
struct IT
{
    ll st[4*maxN];
    void update(ll pos,ll val,ll id=1,ll l=1,ll r=n)
    {
        if(l==r)
        {
            st[id]=val;
            return;
        }
        ll mid=l+r>>1;
        if(pos<=mid) update(pos,val,id*2,l,mid);
        else update(pos,val,id*2+1,mid+1,r);
        st[id]=max(st[id*2],st[id*2+1]);
    }
    ll get(ll i,ll j,ll id=1,ll l=1,ll r=n)
    {
        if(i>j||j<l||r<i) return -inf;
        if(i<=l&&r<=j) return st[id];
        ll mid=l+r>>1;
        return max(get(i,j,id*2,l,mid),get(i,j,id*2+1,mid+1,r));
    }
}it1,it2;
ll a[maxN],k[maxN],ans[maxN];
vector<pli>hoi[maxN];
void solve()
{
    cin >> n >> q;
    for(int i=1;i<=n;i++) cin >> a[i];
    for(int i=1;i<=q;i++)
    {
        ll l,r;
        cin >> l >> r>> k[i];
        hoi[r].pb({l,i});
    }
    deque<int>dq;
    for(int i=1;i<=n;i++) it1.update(i,a[i]),it2.update(i,-inf);
    for(int i=1;i<=n;i++)
    {
        while(!dq.empty()&&a[i]>=a[dq.back()])
        {
            ll id=dq.back();
            it2.update(id,it1.get(id+1,i-1)+a[id]);
            dq.pop_back();
        }
        for(auto zz:hoi[i])
        {
            ans[zz.se]=it2.get(zz.fi,i);
            ll cc=lower_bound(dq.begin(),dq.end(),zz.fi)-dq.begin();
            if(cc<dq.size())
            {
                ans[zz.se]=max(ans[zz.se],a[dq[cc]]+it1.get(dq[cc]+1,i));
            }
        }
        dq.push_back(i);
    }
    for(int i=1;i<=q;i++)
    {
        //cout << ans[i]<<'\n';
        if(k[i]>=ans[i]) cout << 1<<'\n';
        else cout << 0<<'\n';
    }
}
int main()
{
    fastio
    //freopen(TASKNAME".INP","r",stdin);
    //freopen(TASKNAME".OUT","w",stdout);
    solve();
}

Compilation message

sortbooks.cpp: In member function 'void IT::update(ll, ll, ll, ll, ll)':
sortbooks.cpp:24:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   24 |         ll mid=l+r>>1;
      |                ~^~
sortbooks.cpp: In member function 'll IT::get(ll, ll, ll, ll, ll)':
sortbooks.cpp:33:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   33 |         ll mid=l+r>>1;
      |                ~^~
sortbooks.cpp: In function 'void solve()':
sortbooks.cpp:63:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::deque<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |             if(cc<dq.size())
      |                ~~^~~~~~~~~~

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23816 KB Output is correct
2 Correct 13 ms 23804 KB Output is correct
3 Correct 15 ms 23800 KB Output is correct
4 Correct 17 ms 23764 KB Output is correct
5 Correct 14 ms 23816 KB Output is correct
6 Correct 13 ms 23892 KB Output is correct
7 Correct 13 ms 23892 KB Output is correct
8 Correct 14 ms 23856 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 13 ms 23872 KB Output is correct

Subtask #2
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23816 KB Output is correct
2 Correct 13 ms 23804 KB Output is correct
3 Correct 15 ms 23800 KB Output is correct
4 Correct 17 ms 23764 KB Output is correct
5 Correct 14 ms 23816 KB Output is correct
6 Correct 13 ms 23892 KB Output is correct
7 Correct 13 ms 23892 KB Output is correct
8 Correct 14 ms 23856 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 13 ms 23872 KB Output is correct
11 Correct 21 ms 24008 KB Output is correct
12 Correct 16 ms 24276 KB Output is correct
13 Correct 19 ms 24300 KB Output is correct
14 Correct 22 ms 24424 KB Output is correct
15 Correct 18 ms 24472 KB Output is correct
16 Correct 16 ms 24452 KB Output is correct
17 Correct 14 ms 24296 KB Output is correct
18 Correct 18 ms 24368 KB Output is correct

Subtask #3
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1988 ms 140128 KB Output is correct
2 Correct 2019 ms 141152 KB Output is correct
3 Correct 1867 ms 141008 KB Output is correct
4 Correct 1784 ms 141172 KB Output is correct
5 Correct 1502 ms 141284 KB Output is correct

Subtask #4
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 165 ms 34976 KB Output is correct
2 Correct 124 ms 34792 KB Output is correct
3 Correct 101 ms 34988 KB Output is correct
4 Correct 113 ms 34924 KB Output is correct
5 Correct 111 ms 34996 KB Output is correct
6 Correct 93 ms 34448 KB Output is correct
7 Correct 86 ms 34564 KB Output is correct
8 Correct 110 ms 34460 KB Output is correct
9 Correct 50 ms 28800 KB Output is correct
10 Correct 113 ms 34432 KB Output is correct

Subtask #5
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23816 KB Output is correct
2 Correct 13 ms 23804 KB Output is correct
3 Correct 15 ms 23800 KB Output is correct
4 Correct 17 ms 23764 KB Output is correct
5 Correct 14 ms 23816 KB Output is correct
6 Correct 13 ms 23892 KB Output is correct
7 Correct 13 ms 23892 KB Output is correct
8 Correct 14 ms 23856 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 13 ms 23872 KB Output is correct
11 Correct 21 ms 24008 KB Output is correct
12 Correct 16 ms 24276 KB Output is correct
13 Correct 19 ms 24300 KB Output is correct
14 Correct 22 ms 24424 KB Output is correct
15 Correct 18 ms 24472 KB Output is correct
16 Correct 16 ms 24452 KB Output is correct
17 Correct 14 ms 24296 KB Output is correct
18 Correct 18 ms 24368 KB Output is correct
19 Correct 333 ms 48876 KB Output is correct
20 Correct 294 ms 48952 KB Output is correct
21 Correct 304 ms 48340 KB Output is correct
22 Correct 251 ms 48328 KB Output is correct
23 Correct 269 ms 48384 KB Output is correct
24 Correct 199 ms 48292 KB Output is correct
25 Correct 231 ms 48300 KB Output is correct
26 Correct 220 ms 48716 KB Output is correct
27 Correct 226 ms 48524 KB Output is correct
28 Correct 222 ms 48716 KB Output is correct
29 Correct 236 ms 48824 KB Output is correct
30 Correct 236 ms 48860 KB Output is correct
31 Correct 253 ms 48796 KB Output is correct
32 Correct 239 ms 48844 KB Output is correct
33 Correct 256 ms 48824 KB Output is correct
34 Correct 186 ms 47820 KB Output is correct
35 Correct 198 ms 47840 KB Output is correct
36 Correct 194 ms 47504 KB Output is correct
37 Correct 183 ms 47568 KB Output is correct
38 Correct 230 ms 47812 KB Output is correct
39 Correct 226 ms 46988 KB Output is correct
40 Correct 185 ms 41280 KB Output is correct
41 Correct 216 ms 46492 KB Output is correct

Subtask #6
23.0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 23816 KB Output is correct
2 Correct 13 ms 23804 KB Output is correct
3 Correct 15 ms 23800 KB Output is correct
4 Correct 17 ms 23764 KB Output is correct
5 Correct 14 ms 23816 KB Output is correct
6 Correct 13 ms 23892 KB Output is correct
7 Correct 13 ms 23892 KB Output is correct
8 Correct 14 ms 23856 KB Output is correct
9 Correct 13 ms 23764 KB Output is correct
10 Correct 13 ms 23872 KB Output is correct
11 Correct 21 ms 24008 KB Output is correct
12 Correct 16 ms 24276 KB Output is correct
13 Correct 19 ms 24300 KB Output is correct
14 Correct 22 ms 24424 KB Output is correct
15 Correct 18 ms 24472 KB Output is correct
16 Correct 16 ms 24452 KB Output is correct
17 Correct 14 ms 24296 KB Output is correct
18 Correct 18 ms 24368 KB Output is correct
19 Correct 1988 ms 140128 KB Output is correct
20 Correct 2019 ms 141152 KB Output is correct
21 Correct 1867 ms 141008 KB Output is correct
22 Correct 1784 ms 141172 KB Output is correct
23 Correct 1502 ms 141284 KB Output is correct
24 Correct 165 ms 34976 KB Output is correct
25 Correct 124 ms 34792 KB Output is correct
26 Correct 101 ms 34988 KB Output is correct
27 Correct 113 ms 34924 KB Output is correct
28 Correct 111 ms 34996 KB Output is correct
29 Correct 93 ms 34448 KB Output is correct
30 Correct 86 ms 34564 KB Output is correct
31 Correct 110 ms 34460 KB Output is correct
32 Correct 50 ms 28800 KB Output is correct
33 Correct 113 ms 34432 KB Output is correct
34 Correct 333 ms 48876 KB Output is correct
35 Correct 294 ms 48952 KB Output is correct
36 Correct 304 ms 48340 KB Output is correct
37 Correct 251 ms 48328 KB Output is correct
38 Correct 269 ms 48384 KB Output is correct
39 Correct 199 ms 48292 KB Output is correct
40 Correct 231 ms 48300 KB Output is correct
41 Correct 220 ms 48716 KB Output is correct
42 Correct 226 ms 48524 KB Output is correct
43 Correct 222 ms 48716 KB Output is correct
44 Correct 236 ms 48824 KB Output is correct
45 Correct 236 ms 48860 KB Output is correct
46 Correct 253 ms 48796 KB Output is correct
47 Correct 239 ms 48844 KB Output is correct
48 Correct 256 ms 48824 KB Output is correct
49 Correct 186 ms 47820 KB Output is correct
50 Correct 198 ms 47840 KB Output is correct
51 Correct 194 ms 47504 KB Output is correct
52 Correct 183 ms 47568 KB Output is correct
53 Correct 230 ms 47812 KB Output is correct
54 Correct 226 ms 46988 KB Output is correct
55 Correct 185 ms 41280 KB Output is correct
56 Correct 216 ms 46492 KB Output is correct
57 Correct 1772 ms 141432 KB Output is correct
58 Correct 1737 ms 141424 KB Output is correct
59 Correct 1612 ms 140492 KB Output is correct
60 Correct 1669 ms 140492 KB Output is correct
61 Correct 1695 ms 140400 KB Output is correct
62 Correct 1699 ms 140504 KB Output is correct
63 Correct 1034 ms 138108 KB Output is correct
64 Correct 1072 ms 138100 KB Output is correct
65 Correct 1748 ms 140308 KB Output is correct
66 Correct 1360 ms 140600 KB Output is correct
67 Correct 1342 ms 140364 KB Output is correct
68 Correct 1435 ms 141412 KB Output is correct
69 Correct 1491 ms 141328 KB Output is correct
70 Correct 1425 ms 141268 KB Output is correct
71 Correct 1525 ms 141120 KB Output is correct
72 Correct 1427 ms 141216 KB Output is correct
73 Correct 993 ms 133160 KB Output is correct
74 Correct 1073 ms 133840 KB Output is correct
75 Correct 980 ms 133076 KB Output is correct
76 Correct 1000 ms 133376 KB Output is correct
77 Correct 981 ms 132964 KB Output is correct
78 Correct 1275 ms 133064 KB Output is correct
79 Correct 905 ms 105776 KB Output is correct
80 Correct 1428 ms 130020 KB Output is correct