oj.uz

Submission #1113265

# Submission time Handle Problem Language Result Execution time Memory
1113265 2024-11-16T09:21:07 Z StefanSebez Hedgehog Daniyar and Algorithms (IZhO19_sortbooks) C++14
100 / 100
 2712 ms 152504 KB 
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
#define ll long long
#define ld long double
const int N=1e6+50;
const ll inf=1e17;
vector<array<ll,3>>Qs[N];
int res[N],a[N];
int root,nc,lc[2*N],rc[2*N];
ll maks[2*N],lazy[2*N];
void update(int &c,ll x){if(!c)c=++nc;maks[c]+=x;lazy[c]+=x;}
void push(int &c){update(lc[c],lazy[c]),update(rc[c],lazy[c]);lazy[c]=0;}
void Update(int &c,int ss,int se,int qs,int qe,ll x){
	if(!c)c=++nc;
	if(qs>qe||qe<ss||se<qs)return;
	if(qs<=ss&&se<=qe){update(c,x);return;}
	int mid=ss+se>>1;push(c);
	Update(lc[c],ss,mid,qs,qe,x),Update(rc[c],mid+1,se,qs,qe,x);
	maks[c]=max(maks[lc[c]],maks[rc[c]]);
}
ll Get(int &c,int ss,int se,int qs,int qe){
	if(!c)c=++nc;
	if(qs>qe||qe<ss||se<qs)return -inf;
	if(qs<=ss&&se<=qe)return maks[c];
	int mid=ss+se>>1;push(c);
	return max(Get(lc[c],ss,mid,qs,qe),Get(rc[c],mid+1,se,qs,qe));
}
int main(){
    int n,q;scanf("%i%i",&n,&q);
    for(int i=1;i<=n;i++) scanf("%i",&a[i]);
    for(ll i=1,l,r,k;i<=q;i++) scanf("%lld%lld%lld",&l,&r,&k),Qs[l].pb({r,k,i});
    maks[0]=-inf;
    for(int i=1;i<=n;i++) Update(root,1,n,i,i,a[i]);
    vector<int>mono={n+1};
    for(int i=n;i>=1;i--){
		while(mono.size()>1&&a[mono.back()]<a[i]){
			int prosli=mono.back();mono.pop_back();
			Update(root,1,n,prosli,mono.back()-1,-a[prosli]);
			Update(root,1,n,prosli,prosli,inf);
		}
		Update(root,1,n,i,mono.back()-1,a[i]);
		Update(root,1,n,i,i,-inf);
		mono.pb(i);
		for(auto j:Qs[i]){
			ll x=Get(root,1,n,i,j[0]);
			//printf("%i %i: %i\n",i,j[0],x);
			if(x<=j[1]) res[j[2]]=1;
		}
    }
    for(int i=1;i<=q;i++) printf("%i\n",res[i]);
    return 0;
}

Compilation message

sortbooks.cpp: In function 'void Update(int&, int, int, int, int, long long int)':
sortbooks.cpp:20:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   20 |  int mid=ss+se>>1;push(c);
      |            ^
sortbooks.cpp: In function 'long long int Get(int&, int, int, int, int)':
sortbooks.cpp:28:12: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   28 |  int mid=ss+se>>1;push(c);
      |            ^
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:32:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |     int n,q;scanf("%i%i",&n,&q);
      |             ~~~~~^~~~~~~~~~~~~~
sortbooks.cpp:33:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     for(int i=1;i<=n;i++) scanf("%i",&a[i]);
      |                           ~~~~~^~~~~~~~~~~~
sortbooks.cpp:34:37: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |     for(ll i=1,l,r,k;i<=q;i++) scanf("%lld%lld%lld",&l,&r,&k),Qs[l].pb({r,k,i});
      |                                ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23888 KB Output is correct
2 Correct 17 ms 23732 KB Output is correct
3 Correct 16 ms 23888 KB Output is correct
4 Correct 17 ms 23888 KB Output is correct
5 Correct 17 ms 23888 KB Output is correct
6 Correct 16 ms 23888 KB Output is correct
7 Correct 17 ms 23888 KB Output is correct
8 Correct 16 ms 23888 KB Output is correct
9 Correct 16 ms 23888 KB Output is correct
10 Correct 18 ms 23936 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23888 KB Output is correct
2 Correct 17 ms 23732 KB Output is correct
3 Correct 16 ms 23888 KB Output is correct
4 Correct 17 ms 23888 KB Output is correct
5 Correct 17 ms 23888 KB Output is correct
6 Correct 16 ms 23888 KB Output is correct
7 Correct 17 ms 23888 KB Output is correct
8 Correct 16 ms 23888 KB Output is correct
9 Correct 16 ms 23888 KB Output is correct
10 Correct 18 ms 23936 KB Output is correct
11 Correct 19 ms 24144 KB Output is correct
12 Correct 23 ms 24412 KB Output is correct
13 Correct 25 ms 24200 KB Output is correct
14 Correct 25 ms 24396 KB Output is correct
15 Correct 25 ms 24400 KB Output is correct
16 Correct 26 ms 24400 KB Output is correct
17 Correct 23 ms 24392 KB Output is correct
18 Correct 23 ms 24400 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2712 ms 140892 KB Output is correct
2 Correct 2468 ms 141936 KB Output is correct
3 Correct 2490 ms 142024 KB Output is correct
4 Correct 2520 ms 141964 KB Output is correct
5 Correct 2247 ms 150052 KB Output is correct

Subtask #4
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 204 ms 34628 KB Output is correct
2 Correct 213 ms 35144 KB Output is correct
3 Correct 162 ms 35304 KB Output is correct
4 Correct 155 ms 35312 KB Output is correct
5 Correct 155 ms 35268 KB Output is correct
6 Correct 135 ms 34764 KB Output is correct
7 Correct 133 ms 34716 KB Output is correct
8 Correct 160 ms 34552 KB Output is correct
9 Correct 48 ms 28708 KB Output is correct
10 Correct 158 ms 34556 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23888 KB Output is correct
2 Correct 17 ms 23732 KB Output is correct
3 Correct 16 ms 23888 KB Output is correct
4 Correct 17 ms 23888 KB Output is correct
5 Correct 17 ms 23888 KB Output is correct
6 Correct 16 ms 23888 KB Output is correct
7 Correct 17 ms 23888 KB Output is correct
8 Correct 16 ms 23888 KB Output is correct
9 Correct 16 ms 23888 KB Output is correct
10 Correct 18 ms 23936 KB Output is correct
11 Correct 19 ms 24144 KB Output is correct
12 Correct 23 ms 24412 KB Output is correct
13 Correct 25 ms 24200 KB Output is correct
14 Correct 25 ms 24396 KB Output is correct
15 Correct 25 ms 24400 KB Output is correct
16 Correct 26 ms 24400 KB Output is correct
17 Correct 23 ms 24392 KB Output is correct
18 Correct 23 ms 24400 KB Output is correct
19 Correct 424 ms 48236 KB Output is correct
20 Correct 439 ms 48200 KB Output is correct
21 Correct 416 ms 49224 KB Output is correct
22 Correct 409 ms 49224 KB Output is correct
23 Correct 384 ms 49412 KB Output is correct
24 Correct 323 ms 50064 KB Output is correct
25 Correct 301 ms 50108 KB Output is correct
26 Correct 332 ms 49784 KB Output is correct
27 Correct 318 ms 49864 KB Output is correct
28 Correct 315 ms 49348 KB Output is correct
29 Correct 362 ms 49092 KB Output is correct
30 Correct 369 ms 49260 KB Output is correct
31 Correct 375 ms 49092 KB Output is correct
32 Correct 372 ms 49096 KB Output is correct
33 Correct 381 ms 49096 KB Output is correct
34 Correct 292 ms 49020 KB Output is correct
35 Correct 306 ms 48852 KB Output is correct
36 Correct 298 ms 48828 KB Output is correct
37 Correct 288 ms 48840 KB Output is correct
38 Correct 275 ms 49092 KB Output is correct
39 Correct 309 ms 48124 KB Output is correct
40 Correct 220 ms 42660 KB Output is correct
41 Correct 324 ms 46580 KB Output is correct

Subtask #6
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 23888 KB Output is correct
2 Correct 17 ms 23732 KB Output is correct
3 Correct 16 ms 23888 KB Output is correct
4 Correct 17 ms 23888 KB Output is correct
5 Correct 17 ms 23888 KB Output is correct
6 Correct 16 ms 23888 KB Output is correct
7 Correct 17 ms 23888 KB Output is correct
8 Correct 16 ms 23888 KB Output is correct
9 Correct 16 ms 23888 KB Output is correct
10 Correct 18 ms 23936 KB Output is correct
11 Correct 19 ms 24144 KB Output is correct
12 Correct 23 ms 24412 KB Output is correct
13 Correct 25 ms 24200 KB Output is correct
14 Correct 25 ms 24396 KB Output is correct
15 Correct 25 ms 24400 KB Output is correct
16 Correct 26 ms 24400 KB Output is correct
17 Correct 23 ms 24392 KB Output is correct
18 Correct 23 ms 24400 KB Output is correct
19 Correct 2712 ms 140892 KB Output is correct
20 Correct 2468 ms 141936 KB Output is correct
21 Correct 2490 ms 142024 KB Output is correct
22 Correct 2520 ms 141964 KB Output is correct
23 Correct 2247 ms 150052 KB Output is correct
24 Correct 204 ms 34628 KB Output is correct
25 Correct 213 ms 35144 KB Output is correct
26 Correct 162 ms 35304 KB Output is correct
27 Correct 155 ms 35312 KB Output is correct
28 Correct 155 ms 35268 KB Output is correct
29 Correct 135 ms 34764 KB Output is correct
30 Correct 133 ms 34716 KB Output is correct
31 Correct 160 ms 34552 KB Output is correct
32 Correct 48 ms 28708 KB Output is correct
33 Correct 158 ms 34556 KB Output is correct
34 Correct 424 ms 48236 KB Output is correct
35 Correct 439 ms 48200 KB Output is correct
36 Correct 416 ms 49224 KB Output is correct
37 Correct 409 ms 49224 KB Output is correct
38 Correct 384 ms 49412 KB Output is correct
39 Correct 323 ms 50064 KB Output is correct
40 Correct 301 ms 50108 KB Output is correct
41 Correct 332 ms 49784 KB Output is correct
42 Correct 318 ms 49864 KB Output is correct
43 Correct 315 ms 49348 KB Output is correct
44 Correct 362 ms 49092 KB Output is correct
45 Correct 369 ms 49260 KB Output is correct
46 Correct 375 ms 49092 KB Output is correct
47 Correct 372 ms 49096 KB Output is correct
48 Correct 381 ms 49096 KB Output is correct
49 Correct 292 ms 49020 KB Output is correct
50 Correct 306 ms 48852 KB Output is correct
51 Correct 298 ms 48828 KB Output is correct
52 Correct 288 ms 48840 KB Output is correct
53 Correct 275 ms 49092 KB Output is correct
54 Correct 309 ms 48124 KB Output is correct
55 Correct 220 ms 42660 KB Output is correct
56 Correct 324 ms 46580 KB Output is correct
57 Correct 2454 ms 146216 KB Output is correct
58 Correct 2516 ms 146248 KB Output is correct
59 Correct 2467 ms 147872 KB Output is correct
60 Correct 2310 ms 147592 KB Output is correct
61 Correct 2466 ms 147040 KB Output is correct
62 Correct 2422 ms 147868 KB Output is correct
63 Correct 1581 ms 149340 KB Output is correct
64 Correct 1461 ms 149200 KB Output is correct
65 Correct 1859 ms 152504 KB Output is correct
66 Correct 2062 ms 152496 KB Output is correct
67 Correct 2185 ms 152232 KB Output is correct
68 Correct 2094 ms 150444 KB Output is correct
69 Correct 2073 ms 150412 KB Output is correct
70 Correct 1964 ms 150452 KB Output is correct
71 Correct 2194 ms 150436 KB Output is correct
72 Correct 2081 ms 150440 KB Output is correct
73 Correct 1433 ms 145580 KB Output is correct
74 Correct 1398 ms 146288 KB Output is correct
75 Correct 1502 ms 145388 KB Output is correct
76 Correct 1468 ms 145596 KB Output is correct
77 Correct 1517 ms 145376 KB Output is correct
78 Correct 1867 ms 145424 KB Output is correct
79 Correct 1136 ms 110516 KB Output is correct
80 Correct 1964 ms 138624 KB Output is correct