oj.uz

Submission #341869

# Submission time Handle Problem Language Result Execution time Memory
341869 2020-12-31T10:48:36 Z blacktulip Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++17
100 / 100
 1623 ms 69372 KB 
#pragma GCC optimize ("O3")
#pragma GCC target ("sse4")
 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long lo;
typedef pair< lo,lo > PII;
 
#define fi first
#define se second
#define int long long
#define mp make_pair
#define endl "\n"
#define pb push_back
#define fio() ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define FOR for(int i=0;i<n;i++)
#define mid ((start+end)/2)
#define ort ((bas+son)/2)
 
const lo inf = 3000000000;
const lo KOK = 100000;
const lo LOG = 30;
const lo li = 1000005;
const lo mod = 1000000007;
 
int n,m,b[li],a[li],k,flag,t,maxi[li],mx,dp[li],mini[li],tree[li*4],anss[li];
int cev;
pair<int,pair<int,pair<int,int>>> p[li];
string s;
vector<int> v[1005];
 
inline void update(int node,int start,int end,int l,int r,int val){
	if(start>end || start>r || end<l)return ;
	if(start>=l && end<=r){tree[node]=max(tree[node],val);return ;}
	update(node*2,start,mid,l,r,val),update(node*2+1,mid+1,end,l,r,val);
	tree[node]=max(tree[node*2],tree[node*2+1]);
}
 
inline int query(int node,int start,int end,int l,int r){
	if(start>end || start>r || end<l)return 0;
	if(start>=l && end<=r)return tree[node];
	return max(query(node*2,start,mid,l,r),query(node*2+1,mid+1,end,l,r));
}
 
int32_t main(void){
    scanf("%lld %lld",&n,&t);
	for(int i=1;i<=n;i++)scanf("%lld",&a[i]);
	for(int i=1;i<=t;i++){
		scanf("%lld %lld %lld",&p[i].fi,&p[i].se.fi,&p[i].se.se.fi);
		p[i].se.se.se=i;
	}
	sort(p+1,p+t+1);
	//~ reverse(p+1,p+t+1);
	stack<pair<int,int>> st;
	int ind=t;
	for(int i=n;i>=1;i--){
		int son=i;
		while(st.size() && a[i]>st.top().fi){
			update(1,1,n,son+1,son+1,a[i]+st.top().fi);
			//~ cout<<a[i]+st.top().fi<<endl;
			son=st.top().se;
			st.pop();
		}
		if(st.size()==0)son=n;
		st.push({a[i],son});
		while(ind>0 && p[ind].fi==i){
			//~ cout<<p[ind].fi<<endl;
			//~ cout<<query(1,1,n,i,p[ind].se.fi)<<"*****"<<endl;
			if(query(1,1,n,i,p[ind].se.fi)<=p[ind].se.se.fi)anss[p[ind].se.se.se]=1;
			ind--;
		}
		//~ cout<<ind<<" &&&& "<<endl;
	}
	for(int i=1;i<=t;i++)printf("%lld\n",anss[i]);
    return 0;
}

Compilation message

sortbooks.cpp: In function 'int32_t main()':
sortbooks.cpp:48:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   48 |     scanf("%lld %lld",&n,&t);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
sortbooks.cpp:49:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   49 |  for(int i=1;i<=n;i++)scanf("%lld",&a[i]);
      |                       ~~~~~^~~~~~~~~~~~~~
sortbooks.cpp:51:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   51 |   scanf("%lld %lld %lld",&p[i].fi,&p[i].se.fi,&p[i].se.se.fi);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 376 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 376 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 5 ms 620 KB Output is correct
13 Correct 5 ms 620 KB Output is correct
14 Correct 7 ms 748 KB Output is correct
15 Correct 7 ms 748 KB Output is correct
16 Correct 5 ms 748 KB Output is correct
17 Correct 5 ms 748 KB Output is correct
18 Correct 5 ms 748 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1589 ms 58300 KB Output is correct
2 Correct 1602 ms 58036 KB Output is correct
3 Correct 1584 ms 58116 KB Output is correct
4 Correct 1595 ms 58256 KB Output is correct
5 Correct 1322 ms 65964 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 132 ms 7500 KB Output is correct
2 Correct 125 ms 7276 KB Output is correct
3 Correct 108 ms 6968 KB Output is correct
4 Correct 105 ms 6892 KB Output is correct
5 Correct 106 ms 6892 KB Output is correct
6 Correct 97 ms 6252 KB Output is correct
7 Correct 108 ms 6252 KB Output is correct
8 Correct 122 ms 7404 KB Output is correct
9 Correct 55 ms 4460 KB Output is correct
10 Correct 110 ms 7276 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 376 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 5 ms 620 KB Output is correct
13 Correct 5 ms 620 KB Output is correct
14 Correct 7 ms 748 KB Output is correct
15 Correct 7 ms 748 KB Output is correct
16 Correct 5 ms 748 KB Output is correct
17 Correct 5 ms 748 KB Output is correct
18 Correct 5 ms 748 KB Output is correct
19 Correct 292 ms 14336 KB Output is correct
20 Correct 300 ms 14260 KB Output is correct
21 Correct 272 ms 14316 KB Output is correct
22 Correct 271 ms 14316 KB Output is correct
23 Correct 275 ms 14316 KB Output is correct
24 Correct 222 ms 13420 KB Output is correct
25 Correct 222 ms 13420 KB Output is correct
26 Correct 231 ms 13420 KB Output is correct
27 Correct 230 ms 13548 KB Output is correct
28 Correct 239 ms 13420 KB Output is correct
29 Correct 238 ms 13676 KB Output is correct
30 Correct 238 ms 13420 KB Output is correct
31 Correct 238 ms 13696 KB Output is correct
32 Correct 240 ms 13548 KB Output is correct
33 Correct 238 ms 13420 KB Output is correct
34 Correct 218 ms 13548 KB Output is correct
35 Correct 231 ms 13548 KB Output is correct
36 Correct 217 ms 13540 KB Output is correct
37 Correct 218 ms 13676 KB Output is correct
38 Correct 222 ms 13676 KB Output is correct
39 Correct 231 ms 13932 KB Output is correct
40 Correct 182 ms 11756 KB Output is correct
41 Correct 237 ms 14120 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 376 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 384 KB Output is correct
11 Correct 3 ms 492 KB Output is correct
12 Correct 5 ms 620 KB Output is correct
13 Correct 5 ms 620 KB Output is correct
14 Correct 7 ms 748 KB Output is correct
15 Correct 7 ms 748 KB Output is correct
16 Correct 5 ms 748 KB Output is correct
17 Correct 5 ms 748 KB Output is correct
18 Correct 5 ms 748 KB Output is correct
19 Correct 1589 ms 58300 KB Output is correct
20 Correct 1602 ms 58036 KB Output is correct
21 Correct 1584 ms 58116 KB Output is correct
22 Correct 1595 ms 58256 KB Output is correct
23 Correct 1322 ms 65964 KB Output is correct
24 Correct 132 ms 7500 KB Output is correct
25 Correct 125 ms 7276 KB Output is correct
26 Correct 108 ms 6968 KB Output is correct
27 Correct 105 ms 6892 KB Output is correct
28 Correct 106 ms 6892 KB Output is correct
29 Correct 97 ms 6252 KB Output is correct
30 Correct 108 ms 6252 KB Output is correct
31 Correct 122 ms 7404 KB Output is correct
32 Correct 55 ms 4460 KB Output is correct
33 Correct 110 ms 7276 KB Output is correct
34 Correct 292 ms 14336 KB Output is correct
35 Correct 300 ms 14260 KB Output is correct
36 Correct 272 ms 14316 KB Output is correct
37 Correct 271 ms 14316 KB Output is correct
38 Correct 275 ms 14316 KB Output is correct
39 Correct 222 ms 13420 KB Output is correct
40 Correct 222 ms 13420 KB Output is correct
41 Correct 231 ms 13420 KB Output is correct
42 Correct 230 ms 13548 KB Output is correct
43 Correct 239 ms 13420 KB Output is correct
44 Correct 238 ms 13676 KB Output is correct
45 Correct 238 ms 13420 KB Output is correct
46 Correct 238 ms 13696 KB Output is correct
47 Correct 240 ms 13548 KB Output is correct
48 Correct 238 ms 13420 KB Output is correct
49 Correct 218 ms 13548 KB Output is correct
50 Correct 231 ms 13548 KB Output is correct
51 Correct 217 ms 13540 KB Output is correct
52 Correct 218 ms 13676 KB Output is correct
53 Correct 222 ms 13676 KB Output is correct
54 Correct 231 ms 13932 KB Output is correct
55 Correct 182 ms 11756 KB Output is correct
56 Correct 237 ms 14120 KB Output is correct
57 Correct 1623 ms 66000 KB Output is correct
58 Correct 1604 ms 65756 KB Output is correct
59 Correct 1569 ms 65812 KB Output is correct
60 Correct 1576 ms 65772 KB Output is correct
61 Correct 1573 ms 65900 KB Output is correct
62 Correct 1568 ms 65724 KB Output is correct
63 Correct 1211 ms 65964 KB Output is correct
64 Correct 1206 ms 65844 KB Output is correct
65 Correct 1296 ms 65908 KB Output is correct
66 Correct 1298 ms 66092 KB Output is correct
67 Correct 1345 ms 65932 KB Output is correct
68 Correct 1379 ms 65732 KB Output is correct
69 Correct 1335 ms 65824 KB Output is correct
70 Correct 1344 ms 65924 KB Output is correct
71 Correct 1336 ms 65828 KB Output is correct
72 Correct 1346 ms 66008 KB Output is correct
73 Correct 1188 ms 65952 KB Output is correct
74 Correct 1193 ms 65952 KB Output is correct
75 Correct 1186 ms 66004 KB Output is correct
76 Correct 1191 ms 66028 KB Output is correct
77 Correct 1159 ms 65904 KB Output is correct
78 Correct 1257 ms 65916 KB Output is correct
79 Correct 936 ms 54124 KB Output is correct
80 Correct 1335 ms 69372 KB Output is correct