#include <cstdio>
#include <algorithm>
#include <map>
const int INF=1e9+7;
int ts[200005];
int lis[400005];
int lisd[400005];
void update(int* ft,int i,int v){
for(;i<=400004;i+=(i&-i)){
ft[i]=std::max(ft[i],v);
}
}
int query(int* ft,int i){
int ac=0;
for(;i>0;i-=(i&-i)){
ac=std::max(ac,ft[i]);
}
return ac;
}
int main(){
int N,X;
scanf("%d %d",&N,&X);
std::map<int,int> cps;
for(int i=0;i<N;i++){
scanf("%d",&ts[i]);
cps[ts[i]];
cps[ts[i]+X];
}
{
int last=1;
for(auto& it:cps){
it.second=last++;
}
}
for(int i=0;i<N;i++){
int x=cps[ts[i]],y=cps[ts[i]+X];
update(lisd,x,1+query(lisd,x-1));
update(lisd,x,1+query(lis,y-1));
update(lis,x,1+query(lis,x-1));
}
printf("%d\n",query(lisd,400004));
}
Compilation message
glo.cpp: In function 'int main()':
glo.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&N,&X);
~~~~~^~~~~~~~~~~~~~~
glo.cpp:31:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&ts[i]);
~~~~~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
4 ms |
476 KB |
Output is correct |
20 |
Correct |
3 ms |
504 KB |
Output is correct |
21 |
Correct |
3 ms |
504 KB |
Output is correct |
22 |
Correct |
3 ms |
376 KB |
Output is correct |
23 |
Correct |
3 ms |
504 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
504 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
404 ms |
14052 KB |
Output is correct |
2 |
Correct |
456 ms |
14072 KB |
Output is correct |
3 |
Correct |
386 ms |
14072 KB |
Output is correct |
4 |
Correct |
400 ms |
14056 KB |
Output is correct |
5 |
Correct |
159 ms |
7800 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
92 ms |
6520 KB |
Output is correct |
2 |
Correct |
102 ms |
6564 KB |
Output is correct |
3 |
Correct |
99 ms |
6520 KB |
Output is correct |
4 |
Correct |
42 ms |
3576 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
45 ms |
3576 KB |
Output is correct |
7 |
Correct |
65 ms |
5624 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
296 ms |
11996 KB |
Output is correct |
2 |
Correct |
296 ms |
12048 KB |
Output is correct |
3 |
Correct |
633 ms |
23544 KB |
Output is correct |
4 |
Correct |
235 ms |
12480 KB |
Output is correct |
5 |
Correct |
139 ms |
11512 KB |
Output is correct |
6 |
Correct |
284 ms |
21692 KB |
Output is correct |
7 |
Correct |
288 ms |
22208 KB |
Output is correct |
8 |
Correct |
187 ms |
11992 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
2 ms |
376 KB |
Output is correct |
4 |
Correct |
2 ms |
376 KB |
Output is correct |
5 |
Correct |
2 ms |
376 KB |
Output is correct |
6 |
Correct |
2 ms |
376 KB |
Output is correct |
7 |
Correct |
2 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
376 KB |
Output is correct |
10 |
Correct |
2 ms |
376 KB |
Output is correct |
11 |
Correct |
2 ms |
376 KB |
Output is correct |
12 |
Correct |
2 ms |
376 KB |
Output is correct |
13 |
Correct |
2 ms |
376 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
376 KB |
Output is correct |
16 |
Correct |
2 ms |
376 KB |
Output is correct |
17 |
Correct |
2 ms |
376 KB |
Output is correct |
18 |
Correct |
2 ms |
376 KB |
Output is correct |
19 |
Correct |
4 ms |
476 KB |
Output is correct |
20 |
Correct |
3 ms |
504 KB |
Output is correct |
21 |
Correct |
3 ms |
504 KB |
Output is correct |
22 |
Correct |
3 ms |
376 KB |
Output is correct |
23 |
Correct |
3 ms |
504 KB |
Output is correct |
24 |
Correct |
2 ms |
376 KB |
Output is correct |
25 |
Correct |
3 ms |
376 KB |
Output is correct |
26 |
Correct |
3 ms |
504 KB |
Output is correct |
27 |
Correct |
404 ms |
14052 KB |
Output is correct |
28 |
Correct |
456 ms |
14072 KB |
Output is correct |
29 |
Correct |
386 ms |
14072 KB |
Output is correct |
30 |
Correct |
400 ms |
14056 KB |
Output is correct |
31 |
Correct |
159 ms |
7800 KB |
Output is correct |
32 |
Correct |
92 ms |
6520 KB |
Output is correct |
33 |
Correct |
102 ms |
6564 KB |
Output is correct |
34 |
Correct |
99 ms |
6520 KB |
Output is correct |
35 |
Correct |
42 ms |
3576 KB |
Output is correct |
36 |
Correct |
2 ms |
376 KB |
Output is correct |
37 |
Correct |
45 ms |
3576 KB |
Output is correct |
38 |
Correct |
65 ms |
5624 KB |
Output is correct |
39 |
Correct |
296 ms |
11996 KB |
Output is correct |
40 |
Correct |
296 ms |
12048 KB |
Output is correct |
41 |
Correct |
633 ms |
23544 KB |
Output is correct |
42 |
Correct |
235 ms |
12480 KB |
Output is correct |
43 |
Correct |
139 ms |
11512 KB |
Output is correct |
44 |
Correct |
284 ms |
21692 KB |
Output is correct |
45 |
Correct |
288 ms |
22208 KB |
Output is correct |
46 |
Correct |
187 ms |
11992 KB |
Output is correct |
47 |
Correct |
221 ms |
12672 KB |
Output is correct |
48 |
Correct |
235 ms |
12808 KB |
Output is correct |
49 |
Correct |
633 ms |
24956 KB |
Output is correct |
50 |
Correct |
164 ms |
13304 KB |
Output is correct |
51 |
Correct |
166 ms |
9872 KB |
Output is correct |
52 |
Correct |
226 ms |
13432 KB |
Output is correct |
53 |
Correct |
303 ms |
22776 KB |
Output is correct |
54 |
Correct |
312 ms |
23416 KB |
Output is correct |
55 |
Correct |
365 ms |
21496 KB |
Output is correct |