//Just try and the idea will come!
#include<bits/stdc++.h>
#define int long long int
using namespace std;
int n,m,pos[1000001],a[1000001],i,tree[4000001],l[1000001],r[1000001],k[1000001],ans[1000001];
vector<vector<int>>g(1000001);
void update(int v,int l,int r,int ind,int val){
if(l==r){tree[v]=val;return;}
int m=(l+r)>>1;
if(ind<=m)update(v*2,l,m,ind,val);
else update(v*2+1,m+1,r,ind,val);
tree[v]=max(tree[v*2],tree[v*2+1]);
}
int get(int v,int l,int r,int ql,int qr){
if(qr<l||r<ql)return 0;
if(ql<=l&&r<=qr)return tree[v];
int mid=(l+r)>>1;
return max(get(v*2,l,mid,ql,qr),get(v*2+1,mid+1,r,ql,qr));
}
main(){
scanf("%lld%lld",&n,&m);
for(i=1;i<=n;i++){
scanf("%lld",&a[i]);
pos[i]=i-1;
while(pos[i]&&a[pos[i]]<=a[i])pos[i]=pos[pos[i]];
}
for(i=1;i<=m;i++){
scanf("%lld%lld%lld",&l[i],&r[i],&k[i]);
g[r[i]].push_back(i);
}
for(i=1;i<=n;i++){
if(pos[i])update(1,1,n,pos[i],a[i]+a[pos[i]]);
for(int to:g[i])ans[to]=(get(1,1,n,l[to],r[to])<=k[to]?1:0);
}
for(i=1;i<=m;i++)printf("%lld\n",ans[i]);
}
Compilation message
sortbooks.cpp:20:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main(){
^
sortbooks.cpp: In function 'int main()':
sortbooks.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld%lld",&n,&m);
~~~~~^~~~~~~~~~~~~~~~~~
sortbooks.cpp:23:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld",&a[i]);
~~~~~^~~~~~~~~~~~~~
sortbooks.cpp:28:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld%lld%lld",&l[i],&r[i],&k[i]);
~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
25 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23932 KB |
Output is correct |
3 |
Correct |
25 ms |
23928 KB |
Output is correct |
4 |
Correct |
25 ms |
23928 KB |
Output is correct |
5 |
Correct |
24 ms |
23900 KB |
Output is correct |
6 |
Correct |
25 ms |
23900 KB |
Output is correct |
7 |
Correct |
25 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23928 KB |
Output is correct |
9 |
Correct |
29 ms |
23928 KB |
Output is correct |
10 |
Correct |
24 ms |
23928 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
25 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23932 KB |
Output is correct |
3 |
Correct |
25 ms |
23928 KB |
Output is correct |
4 |
Correct |
25 ms |
23928 KB |
Output is correct |
5 |
Correct |
24 ms |
23900 KB |
Output is correct |
6 |
Correct |
25 ms |
23900 KB |
Output is correct |
7 |
Correct |
25 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23928 KB |
Output is correct |
9 |
Correct |
29 ms |
23928 KB |
Output is correct |
10 |
Correct |
24 ms |
23928 KB |
Output is correct |
11 |
Correct |
27 ms |
24184 KB |
Output is correct |
12 |
Correct |
28 ms |
24312 KB |
Output is correct |
13 |
Correct |
28 ms |
24312 KB |
Output is correct |
14 |
Correct |
30 ms |
24576 KB |
Output is correct |
15 |
Correct |
30 ms |
24544 KB |
Output is correct |
16 |
Correct |
32 ms |
24312 KB |
Output is correct |
17 |
Correct |
28 ms |
24312 KB |
Output is correct |
18 |
Correct |
28 ms |
24312 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2242 ms |
116316 KB |
Output is correct |
2 |
Correct |
2188 ms |
142112 KB |
Output is correct |
3 |
Correct |
2218 ms |
141800 KB |
Output is correct |
4 |
Correct |
2347 ms |
141936 KB |
Output is correct |
5 |
Correct |
1770 ms |
125648 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
181 ms |
34768 KB |
Output is correct |
2 |
Correct |
154 ms |
34192 KB |
Output is correct |
3 |
Correct |
146 ms |
32508 KB |
Output is correct |
4 |
Correct |
144 ms |
32540 KB |
Output is correct |
5 |
Correct |
150 ms |
32632 KB |
Output is correct |
6 |
Correct |
122 ms |
31736 KB |
Output is correct |
7 |
Correct |
122 ms |
31736 KB |
Output is correct |
8 |
Correct |
139 ms |
32240 KB |
Output is correct |
9 |
Correct |
79 ms |
29552 KB |
Output is correct |
10 |
Correct |
146 ms |
32284 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
25 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23932 KB |
Output is correct |
3 |
Correct |
25 ms |
23928 KB |
Output is correct |
4 |
Correct |
25 ms |
23928 KB |
Output is correct |
5 |
Correct |
24 ms |
23900 KB |
Output is correct |
6 |
Correct |
25 ms |
23900 KB |
Output is correct |
7 |
Correct |
25 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23928 KB |
Output is correct |
9 |
Correct |
29 ms |
23928 KB |
Output is correct |
10 |
Correct |
24 ms |
23928 KB |
Output is correct |
11 |
Correct |
27 ms |
24184 KB |
Output is correct |
12 |
Correct |
28 ms |
24312 KB |
Output is correct |
13 |
Correct |
28 ms |
24312 KB |
Output is correct |
14 |
Correct |
30 ms |
24576 KB |
Output is correct |
15 |
Correct |
30 ms |
24544 KB |
Output is correct |
16 |
Correct |
32 ms |
24312 KB |
Output is correct |
17 |
Correct |
28 ms |
24312 KB |
Output is correct |
18 |
Correct |
28 ms |
24312 KB |
Output is correct |
19 |
Correct |
391 ms |
48108 KB |
Output is correct |
20 |
Correct |
394 ms |
48156 KB |
Output is correct |
21 |
Correct |
336 ms |
46832 KB |
Output is correct |
22 |
Correct |
335 ms |
46796 KB |
Output is correct |
23 |
Correct |
331 ms |
46840 KB |
Output is correct |
24 |
Correct |
276 ms |
42536 KB |
Output is correct |
25 |
Correct |
278 ms |
42628 KB |
Output is correct |
26 |
Correct |
311 ms |
43128 KB |
Output is correct |
27 |
Correct |
336 ms |
43512 KB |
Output is correct |
28 |
Correct |
309 ms |
43384 KB |
Output is correct |
29 |
Correct |
343 ms |
44000 KB |
Output is correct |
30 |
Correct |
330 ms |
44024 KB |
Output is correct |
31 |
Correct |
347 ms |
44084 KB |
Output is correct |
32 |
Correct |
330 ms |
44152 KB |
Output is correct |
33 |
Correct |
328 ms |
43896 KB |
Output is correct |
34 |
Correct |
255 ms |
42104 KB |
Output is correct |
35 |
Correct |
286 ms |
42104 KB |
Output is correct |
36 |
Correct |
260 ms |
42100 KB |
Output is correct |
37 |
Correct |
270 ms |
41948 KB |
Output is correct |
38 |
Correct |
269 ms |
42256 KB |
Output is correct |
39 |
Correct |
296 ms |
43788 KB |
Output is correct |
40 |
Correct |
220 ms |
40172 KB |
Output is correct |
41 |
Correct |
283 ms |
42040 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
25 ms |
23928 KB |
Output is correct |
2 |
Correct |
24 ms |
23932 KB |
Output is correct |
3 |
Correct |
25 ms |
23928 KB |
Output is correct |
4 |
Correct |
25 ms |
23928 KB |
Output is correct |
5 |
Correct |
24 ms |
23900 KB |
Output is correct |
6 |
Correct |
25 ms |
23900 KB |
Output is correct |
7 |
Correct |
25 ms |
23928 KB |
Output is correct |
8 |
Correct |
24 ms |
23928 KB |
Output is correct |
9 |
Correct |
29 ms |
23928 KB |
Output is correct |
10 |
Correct |
24 ms |
23928 KB |
Output is correct |
11 |
Correct |
27 ms |
24184 KB |
Output is correct |
12 |
Correct |
28 ms |
24312 KB |
Output is correct |
13 |
Correct |
28 ms |
24312 KB |
Output is correct |
14 |
Correct |
30 ms |
24576 KB |
Output is correct |
15 |
Correct |
30 ms |
24544 KB |
Output is correct |
16 |
Correct |
32 ms |
24312 KB |
Output is correct |
17 |
Correct |
28 ms |
24312 KB |
Output is correct |
18 |
Correct |
28 ms |
24312 KB |
Output is correct |
19 |
Correct |
2242 ms |
116316 KB |
Output is correct |
20 |
Correct |
2188 ms |
142112 KB |
Output is correct |
21 |
Correct |
2218 ms |
141800 KB |
Output is correct |
22 |
Correct |
2347 ms |
141936 KB |
Output is correct |
23 |
Correct |
1770 ms |
125648 KB |
Output is correct |
24 |
Correct |
181 ms |
34768 KB |
Output is correct |
25 |
Correct |
154 ms |
34192 KB |
Output is correct |
26 |
Correct |
146 ms |
32508 KB |
Output is correct |
27 |
Correct |
144 ms |
32540 KB |
Output is correct |
28 |
Correct |
150 ms |
32632 KB |
Output is correct |
29 |
Correct |
122 ms |
31736 KB |
Output is correct |
30 |
Correct |
122 ms |
31736 KB |
Output is correct |
31 |
Correct |
139 ms |
32240 KB |
Output is correct |
32 |
Correct |
79 ms |
29552 KB |
Output is correct |
33 |
Correct |
146 ms |
32284 KB |
Output is correct |
34 |
Correct |
391 ms |
48108 KB |
Output is correct |
35 |
Correct |
394 ms |
48156 KB |
Output is correct |
36 |
Correct |
336 ms |
46832 KB |
Output is correct |
37 |
Correct |
335 ms |
46796 KB |
Output is correct |
38 |
Correct |
331 ms |
46840 KB |
Output is correct |
39 |
Correct |
276 ms |
42536 KB |
Output is correct |
40 |
Correct |
278 ms |
42628 KB |
Output is correct |
41 |
Correct |
311 ms |
43128 KB |
Output is correct |
42 |
Correct |
336 ms |
43512 KB |
Output is correct |
43 |
Correct |
309 ms |
43384 KB |
Output is correct |
44 |
Correct |
343 ms |
44000 KB |
Output is correct |
45 |
Correct |
330 ms |
44024 KB |
Output is correct |
46 |
Correct |
347 ms |
44084 KB |
Output is correct |
47 |
Correct |
330 ms |
44152 KB |
Output is correct |
48 |
Correct |
328 ms |
43896 KB |
Output is correct |
49 |
Correct |
255 ms |
42104 KB |
Output is correct |
50 |
Correct |
286 ms |
42104 KB |
Output is correct |
51 |
Correct |
260 ms |
42100 KB |
Output is correct |
52 |
Correct |
270 ms |
41948 KB |
Output is correct |
53 |
Correct |
269 ms |
42256 KB |
Output is correct |
54 |
Correct |
296 ms |
43788 KB |
Output is correct |
55 |
Correct |
220 ms |
40172 KB |
Output is correct |
56 |
Correct |
283 ms |
42040 KB |
Output is correct |
57 |
Correct |
2196 ms |
141500 KB |
Output is correct |
58 |
Correct |
2314 ms |
137564 KB |
Output is correct |
59 |
Correct |
2355 ms |
133372 KB |
Output is correct |
60 |
Correct |
2178 ms |
138768 KB |
Output is correct |
61 |
Correct |
2133 ms |
136368 KB |
Output is correct |
62 |
Correct |
2132 ms |
138716 KB |
Output is correct |
63 |
Correct |
1399 ms |
116352 KB |
Output is correct |
64 |
Correct |
1419 ms |
114292 KB |
Output is correct |
65 |
Correct |
1740 ms |
122152 KB |
Output is correct |
66 |
Correct |
1718 ms |
118992 KB |
Output is correct |
67 |
Correct |
1726 ms |
117792 KB |
Output is correct |
68 |
Correct |
1771 ms |
125244 KB |
Output is correct |
69 |
Correct |
1795 ms |
125000 KB |
Output is correct |
70 |
Correct |
1760 ms |
124576 KB |
Output is correct |
71 |
Correct |
1822 ms |
120888 KB |
Output is correct |
72 |
Correct |
1821 ms |
124688 KB |
Output is correct |
73 |
Correct |
1302 ms |
113364 KB |
Output is correct |
74 |
Correct |
1303 ms |
114664 KB |
Output is correct |
75 |
Correct |
1295 ms |
113100 KB |
Output is correct |
76 |
Correct |
1300 ms |
113988 KB |
Output is correct |
77 |
Correct |
1288 ms |
113436 KB |
Output is correct |
78 |
Correct |
1584 ms |
122400 KB |
Output is correct |
79 |
Correct |
1133 ms |
102624 KB |
Output is correct |
80 |
Correct |
1589 ms |
114824 KB |
Output is correct |