#include<bits/stdc++.h>
using namespace std;
const int maxn=1000000+10;
int all[maxn],n,q,kaf=(1<<20),tr[maxn];
struct segment{
pair<int,int>seg[(1<<21)];
void ins(int i,pair<int,int>w){
i+=kaf;
while(i>0){
seg[i]=max(seg[i],w);
i>>=1;
}
}
pair<int,int>pors(int i,int l,int r,int tl,int tr){
if(l>r||l>tr||r<tl||tl>tr){
return make_pair(0,0);
}
if(l>=tl&&r<=tr){
return seg[i];
}
int m=(l+r)>>1;
return max(pors((i<<1),l,m,tl,tr),pors((i<<1)^1,m+1,r,tl,tr));
}
}seg,sega;
void vorod(){
cin>>n>>q;
for(int i=1;i<=n;i++){
cin>>all[i];
}
}
void pre(){
for(int i=1;i<=n;i++){
seg.ins(i,make_pair(all[i],i));
}
vector<int>v;
for(int i=n;i>=1;i--){
while((int)v.size()>0&&all[i]>all[v.back()]){
v.pop_back();
}
if((int)v.size()>0){
tr[i]=v.back();
}else{
tr[i]=n+1;
}
v.push_back(i);
}
for(int i=1;i<=n;i++){
if(tr[i]==i+1){
continue;
}
sega.ins(i,make_pair(all[i]+seg.pors(1,0,kaf-1,i+1,tr[i]-1).first,i));
}
}
int calc(int l,int r,int w){
if(l>r){
return 1;
}
pair<int,int>p=seg.pors(1,0,kaf-1,l,r);
if(p.second!=r){
pair<int,int>pp=seg.pors(1,0,kaf-1,p.second+1,r);
if(p.first+pp.first>w){
return 0;
}
}
if(p.second==l){
return 1;
}
return sega.pors(1,0,kaf-1,l,p.second-1).first<=w;
}
void solve(){
for(int i=0;i<q;i++){
int l,r,w;
cin>>l>>r>>w;
cout<<calc(l,r,w)<<"\n";
}
}
int main(){
ios::sync_with_stdio(0);
cout.tie(0);
cin.tie(0);
vorod();
pre();
solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
3 ms |
604 KB |
Output is correct |
12 |
Correct |
3 ms |
888 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
5 ms |
952 KB |
Output is correct |
15 |
Correct |
5 ms |
860 KB |
Output is correct |
16 |
Correct |
4 ms |
860 KB |
Output is correct |
17 |
Correct |
4 ms |
716 KB |
Output is correct |
18 |
Correct |
6 ms |
604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1191 ms |
73300 KB |
Output is correct |
2 |
Correct |
1122 ms |
74316 KB |
Output is correct |
3 |
Correct |
1174 ms |
74576 KB |
Output is correct |
4 |
Correct |
1135 ms |
74484 KB |
Output is correct |
5 |
Correct |
1092 ms |
58984 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
102 ms |
6480 KB |
Output is correct |
2 |
Correct |
103 ms |
6740 KB |
Output is correct |
3 |
Correct |
91 ms |
5152 KB |
Output is correct |
4 |
Correct |
90 ms |
5176 KB |
Output is correct |
5 |
Correct |
90 ms |
5180 KB |
Output is correct |
6 |
Correct |
80 ms |
4964 KB |
Output is correct |
7 |
Correct |
78 ms |
4960 KB |
Output is correct |
8 |
Correct |
81 ms |
4892 KB |
Output is correct |
9 |
Correct |
52 ms |
1876 KB |
Output is correct |
10 |
Correct |
80 ms |
4868 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
3 ms |
604 KB |
Output is correct |
12 |
Correct |
3 ms |
888 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
5 ms |
952 KB |
Output is correct |
15 |
Correct |
5 ms |
860 KB |
Output is correct |
16 |
Correct |
4 ms |
860 KB |
Output is correct |
17 |
Correct |
4 ms |
716 KB |
Output is correct |
18 |
Correct |
6 ms |
604 KB |
Output is correct |
19 |
Correct |
264 ms |
15176 KB |
Output is correct |
20 |
Correct |
227 ms |
15248 KB |
Output is correct |
21 |
Correct |
216 ms |
15400 KB |
Output is correct |
22 |
Correct |
209 ms |
15176 KB |
Output is correct |
23 |
Correct |
228 ms |
15184 KB |
Output is correct |
24 |
Correct |
181 ms |
12208 KB |
Output is correct |
25 |
Correct |
183 ms |
11896 KB |
Output is correct |
26 |
Correct |
190 ms |
12108 KB |
Output is correct |
27 |
Correct |
185 ms |
12208 KB |
Output is correct |
28 |
Correct |
188 ms |
12300 KB |
Output is correct |
29 |
Correct |
192 ms |
12356 KB |
Output is correct |
30 |
Correct |
204 ms |
12224 KB |
Output is correct |
31 |
Correct |
194 ms |
12204 KB |
Output is correct |
32 |
Correct |
175 ms |
12208 KB |
Output is correct |
33 |
Correct |
180 ms |
12204 KB |
Output is correct |
34 |
Correct |
163 ms |
11952 KB |
Output is correct |
35 |
Correct |
159 ms |
11984 KB |
Output is correct |
36 |
Correct |
167 ms |
11808 KB |
Output is correct |
37 |
Correct |
171 ms |
11680 KB |
Output is correct |
38 |
Correct |
174 ms |
11988 KB |
Output is correct |
39 |
Correct |
189 ms |
11864 KB |
Output is correct |
40 |
Correct |
155 ms |
8512 KB |
Output is correct |
41 |
Correct |
177 ms |
10360 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
856 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
604 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
604 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
1 ms |
604 KB |
Output is correct |
8 |
Correct |
1 ms |
604 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
3 ms |
604 KB |
Output is correct |
12 |
Correct |
3 ms |
888 KB |
Output is correct |
13 |
Correct |
3 ms |
860 KB |
Output is correct |
14 |
Correct |
5 ms |
952 KB |
Output is correct |
15 |
Correct |
5 ms |
860 KB |
Output is correct |
16 |
Correct |
4 ms |
860 KB |
Output is correct |
17 |
Correct |
4 ms |
716 KB |
Output is correct |
18 |
Correct |
6 ms |
604 KB |
Output is correct |
19 |
Correct |
1191 ms |
73300 KB |
Output is correct |
20 |
Correct |
1122 ms |
74316 KB |
Output is correct |
21 |
Correct |
1174 ms |
74576 KB |
Output is correct |
22 |
Correct |
1135 ms |
74484 KB |
Output is correct |
23 |
Correct |
1092 ms |
58984 KB |
Output is correct |
24 |
Correct |
102 ms |
6480 KB |
Output is correct |
25 |
Correct |
103 ms |
6740 KB |
Output is correct |
26 |
Correct |
91 ms |
5152 KB |
Output is correct |
27 |
Correct |
90 ms |
5176 KB |
Output is correct |
28 |
Correct |
90 ms |
5180 KB |
Output is correct |
29 |
Correct |
80 ms |
4964 KB |
Output is correct |
30 |
Correct |
78 ms |
4960 KB |
Output is correct |
31 |
Correct |
81 ms |
4892 KB |
Output is correct |
32 |
Correct |
52 ms |
1876 KB |
Output is correct |
33 |
Correct |
80 ms |
4868 KB |
Output is correct |
34 |
Correct |
264 ms |
15176 KB |
Output is correct |
35 |
Correct |
227 ms |
15248 KB |
Output is correct |
36 |
Correct |
216 ms |
15400 KB |
Output is correct |
37 |
Correct |
209 ms |
15176 KB |
Output is correct |
38 |
Correct |
228 ms |
15184 KB |
Output is correct |
39 |
Correct |
181 ms |
12208 KB |
Output is correct |
40 |
Correct |
183 ms |
11896 KB |
Output is correct |
41 |
Correct |
190 ms |
12108 KB |
Output is correct |
42 |
Correct |
185 ms |
12208 KB |
Output is correct |
43 |
Correct |
188 ms |
12300 KB |
Output is correct |
44 |
Correct |
192 ms |
12356 KB |
Output is correct |
45 |
Correct |
204 ms |
12224 KB |
Output is correct |
46 |
Correct |
194 ms |
12204 KB |
Output is correct |
47 |
Correct |
175 ms |
12208 KB |
Output is correct |
48 |
Correct |
180 ms |
12204 KB |
Output is correct |
49 |
Correct |
163 ms |
11952 KB |
Output is correct |
50 |
Correct |
159 ms |
11984 KB |
Output is correct |
51 |
Correct |
167 ms |
11808 KB |
Output is correct |
52 |
Correct |
171 ms |
11680 KB |
Output is correct |
53 |
Correct |
174 ms |
11988 KB |
Output is correct |
54 |
Correct |
189 ms |
11864 KB |
Output is correct |
55 |
Correct |
155 ms |
8512 KB |
Output is correct |
56 |
Correct |
177 ms |
10360 KB |
Output is correct |
57 |
Correct |
1288 ms |
75208 KB |
Output is correct |
58 |
Correct |
1214 ms |
75088 KB |
Output is correct |
59 |
Correct |
1230 ms |
75116 KB |
Output is correct |
60 |
Correct |
1227 ms |
75092 KB |
Output is correct |
61 |
Correct |
1250 ms |
74912 KB |
Output is correct |
62 |
Correct |
1234 ms |
74832 KB |
Output is correct |
63 |
Correct |
889 ms |
57700 KB |
Output is correct |
64 |
Correct |
951 ms |
57716 KB |
Output is correct |
65 |
Correct |
1096 ms |
59396 KB |
Output is correct |
66 |
Correct |
1082 ms |
59372 KB |
Output is correct |
67 |
Correct |
1049 ms |
59520 KB |
Output is correct |
68 |
Correct |
1070 ms |
59748 KB |
Output is correct |
69 |
Correct |
1057 ms |
59672 KB |
Output is correct |
70 |
Correct |
1092 ms |
59620 KB |
Output is correct |
71 |
Correct |
1059 ms |
59600 KB |
Output is correct |
72 |
Correct |
1000 ms |
59752 KB |
Output is correct |
73 |
Correct |
831 ms |
56324 KB |
Output is correct |
74 |
Correct |
859 ms |
57272 KB |
Output is correct |
75 |
Correct |
859 ms |
56164 KB |
Output is correct |
76 |
Correct |
924 ms |
56200 KB |
Output is correct |
77 |
Correct |
863 ms |
56164 KB |
Output is correct |
78 |
Correct |
1069 ms |
58748 KB |
Output is correct |
79 |
Correct |
779 ms |
37556 KB |
Output is correct |
80 |
Correct |
1037 ms |
50708 KB |
Output is correct |