#include <bits/stdc++.h>
using namespace std;
#define int long long
#define maxn 100050
#define sqrtn 320
#define f first
#define s second
vector<int> seg(maxn*4,0);
vector<int> num(maxn,0);
vector<int> compress;
vector<int> vect1;
vector<int> ans(maxn,0);
vector<vector<pair<int,pair<int,int> > > > queries(sqrtn);
void build(int node,int start,int end){
if(start==end){
seg[node] = start;
return;
}
int mid = (start+end)/2;
build(node*2+1,start,mid);build(node*2+2,mid+1,end);
seg[node] = seg[node*2+1];
}
void update(int node,int start,int end,int pos,int val){
if(start==end){
num[start] += val;
return;
}
int mid = (start+end)/2;
if(pos<=mid){
update(node*2+1,start,mid,pos,val);
}
else{
update(node*2+2,mid+1,end,pos,val);
}
if(num[seg[node*2+1]]>=num[seg[node*2+2]]){
seg[node] = seg[node*2+1];
}
else{
seg[node] = seg[node*2+2];
}
}
int32_t main() {
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
int n,m;
int input;
cin >> n >> m;
for(int i=0;i<n;i++){
cin >> input;
compress.push_back(input);
vect1.push_back(input);
}
build(0,0,n-1);
sort(compress.begin(),compress.end());
for(int i=0;i<n;i++){
vect1[i] = lower_bound(compress.begin(),compress.end(),vect1[i])-compress.begin();
}
int a,b;
for(int i=0;i<m;i++){
cin >> a >> b;
a--,b--;
queries[a/sqrtn].push_back({b,{a,i}});
}
int l = 0,r = -1;
for(int i=0;i<sqrtn;i++){
sort(queries[i].begin(),queries[i].end());
for(auto k:queries[i]){
while(l>k.s.f){
l--;
update(0,0,n-1,vect1[l],compress[vect1[l]]);
}
while(l<k.s.f){
update(0,0,n-1,vect1[l],-compress[vect1[l]]);
l++;
}
while(r<k.f){
r++;
update(0,0,n-1,vect1[r],compress[vect1[r]]);
}
while(r>k.f){
update(0,0,n-1,vect1[r],-compress[vect1[r]]);
r--;
}
ans[k.s.s] = num[seg[0]];
}
}
for(int i=0;i<m;i++){
cout << ans[i] << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
4 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
4 ms |
4940 KB |
Output is correct |
9 |
Correct |
4 ms |
4940 KB |
Output is correct |
10 |
Correct |
5 ms |
4940 KB |
Output is correct |
11 |
Correct |
5 ms |
5040 KB |
Output is correct |
12 |
Correct |
4 ms |
4940 KB |
Output is correct |
13 |
Correct |
4 ms |
4940 KB |
Output is correct |
14 |
Correct |
4 ms |
5040 KB |
Output is correct |
15 |
Correct |
3 ms |
5032 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
4 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
4 ms |
4940 KB |
Output is correct |
9 |
Correct |
4 ms |
4940 KB |
Output is correct |
10 |
Correct |
5 ms |
4940 KB |
Output is correct |
11 |
Correct |
5 ms |
5040 KB |
Output is correct |
12 |
Correct |
4 ms |
4940 KB |
Output is correct |
13 |
Correct |
4 ms |
4940 KB |
Output is correct |
14 |
Correct |
4 ms |
5040 KB |
Output is correct |
15 |
Correct |
3 ms |
5032 KB |
Output is correct |
16 |
Correct |
4 ms |
5068 KB |
Output is correct |
17 |
Correct |
7 ms |
5068 KB |
Output is correct |
18 |
Correct |
11 ms |
5116 KB |
Output is correct |
19 |
Correct |
24 ms |
5180 KB |
Output is correct |
20 |
Correct |
54 ms |
5196 KB |
Output is correct |
21 |
Correct |
81 ms |
5380 KB |
Output is correct |
22 |
Correct |
84 ms |
5392 KB |
Output is correct |
23 |
Correct |
76 ms |
5400 KB |
Output is correct |
24 |
Correct |
77 ms |
5348 KB |
Output is correct |
25 |
Correct |
84 ms |
5388 KB |
Output is correct |
26 |
Correct |
90 ms |
5408 KB |
Output is correct |
27 |
Correct |
88 ms |
5444 KB |
Output is correct |
28 |
Correct |
86 ms |
5436 KB |
Output is correct |
29 |
Correct |
91 ms |
5380 KB |
Output is correct |
30 |
Correct |
86 ms |
5428 KB |
Output is correct |
31 |
Correct |
80 ms |
5444 KB |
Output is correct |
32 |
Correct |
69 ms |
5440 KB |
Output is correct |
33 |
Correct |
88 ms |
5432 KB |
Output is correct |
34 |
Correct |
85 ms |
5420 KB |
Output is correct |
35 |
Correct |
85 ms |
5428 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4940 KB |
Output is correct |
2 |
Correct |
4 ms |
4940 KB |
Output is correct |
3 |
Correct |
4 ms |
4940 KB |
Output is correct |
4 |
Correct |
4 ms |
5068 KB |
Output is correct |
5 |
Correct |
5 ms |
5068 KB |
Output is correct |
6 |
Correct |
5 ms |
5052 KB |
Output is correct |
7 |
Correct |
7 ms |
5196 KB |
Output is correct |
8 |
Correct |
12 ms |
5452 KB |
Output is correct |
9 |
Correct |
23 ms |
5888 KB |
Output is correct |
10 |
Correct |
26 ms |
6336 KB |
Output is correct |
11 |
Correct |
88 ms |
11880 KB |
Output is correct |
12 |
Correct |
75 ms |
7552 KB |
Output is correct |
13 |
Correct |
100 ms |
8660 KB |
Output is correct |
14 |
Correct |
113 ms |
10792 KB |
Output is correct |
15 |
Correct |
132 ms |
13752 KB |
Output is correct |
16 |
Correct |
103 ms |
10416 KB |
Output is correct |
17 |
Correct |
65 ms |
8408 KB |
Output is correct |
18 |
Correct |
91 ms |
11444 KB |
Output is correct |
19 |
Correct |
86 ms |
12228 KB |
Output is correct |
20 |
Correct |
51 ms |
8496 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
4940 KB |
Output is correct |
2 |
Correct |
3 ms |
4940 KB |
Output is correct |
3 |
Correct |
4 ms |
4940 KB |
Output is correct |
4 |
Correct |
3 ms |
4940 KB |
Output is correct |
5 |
Correct |
3 ms |
4940 KB |
Output is correct |
6 |
Correct |
4 ms |
4940 KB |
Output is correct |
7 |
Correct |
3 ms |
4940 KB |
Output is correct |
8 |
Correct |
4 ms |
4940 KB |
Output is correct |
9 |
Correct |
4 ms |
4940 KB |
Output is correct |
10 |
Correct |
5 ms |
4940 KB |
Output is correct |
11 |
Correct |
5 ms |
5040 KB |
Output is correct |
12 |
Correct |
4 ms |
4940 KB |
Output is correct |
13 |
Correct |
4 ms |
4940 KB |
Output is correct |
14 |
Correct |
4 ms |
5040 KB |
Output is correct |
15 |
Correct |
3 ms |
5032 KB |
Output is correct |
16 |
Correct |
4 ms |
5068 KB |
Output is correct |
17 |
Correct |
7 ms |
5068 KB |
Output is correct |
18 |
Correct |
11 ms |
5116 KB |
Output is correct |
19 |
Correct |
24 ms |
5180 KB |
Output is correct |
20 |
Correct |
54 ms |
5196 KB |
Output is correct |
21 |
Correct |
81 ms |
5380 KB |
Output is correct |
22 |
Correct |
84 ms |
5392 KB |
Output is correct |
23 |
Correct |
76 ms |
5400 KB |
Output is correct |
24 |
Correct |
77 ms |
5348 KB |
Output is correct |
25 |
Correct |
84 ms |
5388 KB |
Output is correct |
26 |
Correct |
90 ms |
5408 KB |
Output is correct |
27 |
Correct |
88 ms |
5444 KB |
Output is correct |
28 |
Correct |
86 ms |
5436 KB |
Output is correct |
29 |
Correct |
91 ms |
5380 KB |
Output is correct |
30 |
Correct |
86 ms |
5428 KB |
Output is correct |
31 |
Correct |
80 ms |
5444 KB |
Output is correct |
32 |
Correct |
69 ms |
5440 KB |
Output is correct |
33 |
Correct |
88 ms |
5432 KB |
Output is correct |
34 |
Correct |
85 ms |
5420 KB |
Output is correct |
35 |
Correct |
85 ms |
5428 KB |
Output is correct |
36 |
Correct |
4 ms |
4940 KB |
Output is correct |
37 |
Correct |
4 ms |
4940 KB |
Output is correct |
38 |
Correct |
4 ms |
4940 KB |
Output is correct |
39 |
Correct |
4 ms |
5068 KB |
Output is correct |
40 |
Correct |
5 ms |
5068 KB |
Output is correct |
41 |
Correct |
5 ms |
5052 KB |
Output is correct |
42 |
Correct |
7 ms |
5196 KB |
Output is correct |
43 |
Correct |
12 ms |
5452 KB |
Output is correct |
44 |
Correct |
23 ms |
5888 KB |
Output is correct |
45 |
Correct |
26 ms |
6336 KB |
Output is correct |
46 |
Correct |
88 ms |
11880 KB |
Output is correct |
47 |
Correct |
75 ms |
7552 KB |
Output is correct |
48 |
Correct |
100 ms |
8660 KB |
Output is correct |
49 |
Correct |
113 ms |
10792 KB |
Output is correct |
50 |
Correct |
132 ms |
13752 KB |
Output is correct |
51 |
Correct |
103 ms |
10416 KB |
Output is correct |
52 |
Correct |
65 ms |
8408 KB |
Output is correct |
53 |
Correct |
91 ms |
11444 KB |
Output is correct |
54 |
Correct |
86 ms |
12228 KB |
Output is correct |
55 |
Correct |
51 ms |
8496 KB |
Output is correct |
56 |
Correct |
196 ms |
5828 KB |
Output is correct |
57 |
Correct |
595 ms |
6592 KB |
Output is correct |
58 |
Correct |
1177 ms |
7348 KB |
Output is correct |
59 |
Correct |
1960 ms |
8148 KB |
Output is correct |
60 |
Correct |
2689 ms |
9008 KB |
Output is correct |
61 |
Correct |
3680 ms |
10060 KB |
Output is correct |
62 |
Execution timed out |
4009 ms |
10032 KB |
Time limit exceeded |
63 |
Halted |
0 ms |
0 KB |
- |