#include<bits/stdc++.h>
using namespace std;
int a,b,c,d,e,pas,f[1000009],read2[1000009],read[1000009],p[1000009],pi,mi=1000003,dp[1000009],fen[1000009];
vector <int> v[2000009];
vector <int>::iterator it;
void upd(int q, int w){
while(q<=1000000){
fen[q]+=w;
q=q+(q&(-q));
}
}
int readd(int q){
if(q<=0) return 0;
int jm=0;
while(q>0){
jm+=fen[q];
q=q-(q&(-q));
}
return jm;
}
int main(){
scanf("%d",&a);
for(b=1; b<=a; b++){
scanf("%d",&p[b]);
}
for(b=1; b<=a; b++){
if(p[b]==p[b-1]) continue;
pi++;
f[pi]=p[b];
}
a=pi;
for(b=1; b<=a; b++){
upd(f[b],1);
read[b]=readd(f[b]);
read2[b]=readd(f[b]-1);
}
dp[0]=1;
for(b=1; b<=a; b++){
if(f[b]>=f[b-1]) dp[b]=dp[b-1]; else dp[b]=b;
}
// for(b=1; b<=1000000; b++) read[b]+=read[b-1];
/* for(b=1; b<=a; b++) cout<<read[b]<<" ";
return 0;*/
for(b=1; b<=a; b++){
// cout<<f[b]<<" ";
//cout<<b<<" "<<read[b]-b+mi<<" "<<read2[b]-b+1+mi<<endl;
v[read[b]-b+mi].push_back(b);
}
// cout<<endl;
b=a;
while(b>0){
//cout<<b<<endl;
pas++;
it=lower_bound(v[read2[b]-b+1+mi].begin(),v[read2[b]-b+1+mi].end(),dp[b]);
if(it==v[read2[b]-b+1+mi].end()||(*it)>=b){
b=b-1;
continue;
}
b=(*it)-1;
}
cout<<pas;
return 0;
}
Compilation message
money.cpp: In function 'int main()':
money.cpp:22:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&a);
~~~~~^~~~~~~~~
money.cpp:24:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&p[b]);
~~~~~^~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
48 ms |
47352 KB |
Output is correct |
2 |
Correct |
49 ms |
47352 KB |
Output is correct |
3 |
Correct |
50 ms |
47352 KB |
Output is correct |
4 |
Correct |
49 ms |
47352 KB |
Output is correct |
5 |
Correct |
49 ms |
47448 KB |
Output is correct |
6 |
Correct |
48 ms |
47324 KB |
Output is correct |
7 |
Correct |
50 ms |
47352 KB |
Output is correct |
8 |
Correct |
49 ms |
47352 KB |
Output is correct |
9 |
Correct |
48 ms |
47376 KB |
Output is correct |
10 |
Correct |
49 ms |
47480 KB |
Output is correct |
11 |
Correct |
48 ms |
47608 KB |
Output is correct |
12 |
Correct |
49 ms |
47376 KB |
Output is correct |
13 |
Correct |
49 ms |
47496 KB |
Output is correct |
14 |
Correct |
48 ms |
47480 KB |
Output is correct |
15 |
Correct |
48 ms |
47528 KB |
Output is correct |
16 |
Correct |
49 ms |
47480 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
48 ms |
47352 KB |
Output is correct |
2 |
Correct |
49 ms |
47352 KB |
Output is correct |
3 |
Correct |
50 ms |
47352 KB |
Output is correct |
4 |
Correct |
49 ms |
47352 KB |
Output is correct |
5 |
Correct |
49 ms |
47448 KB |
Output is correct |
6 |
Correct |
48 ms |
47324 KB |
Output is correct |
7 |
Correct |
50 ms |
47352 KB |
Output is correct |
8 |
Correct |
49 ms |
47352 KB |
Output is correct |
9 |
Correct |
48 ms |
47376 KB |
Output is correct |
10 |
Correct |
49 ms |
47480 KB |
Output is correct |
11 |
Correct |
48 ms |
47608 KB |
Output is correct |
12 |
Correct |
49 ms |
47376 KB |
Output is correct |
13 |
Correct |
49 ms |
47496 KB |
Output is correct |
14 |
Correct |
48 ms |
47480 KB |
Output is correct |
15 |
Correct |
48 ms |
47528 KB |
Output is correct |
16 |
Correct |
49 ms |
47480 KB |
Output is correct |
17 |
Correct |
49 ms |
47368 KB |
Output is correct |
18 |
Correct |
61 ms |
47608 KB |
Output is correct |
19 |
Correct |
49 ms |
47480 KB |
Output is correct |
20 |
Correct |
50 ms |
47580 KB |
Output is correct |
21 |
Correct |
51 ms |
47476 KB |
Output is correct |
22 |
Correct |
49 ms |
47388 KB |
Output is correct |
23 |
Correct |
50 ms |
47352 KB |
Output is correct |
24 |
Correct |
49 ms |
47480 KB |
Output is correct |
25 |
Correct |
50 ms |
47608 KB |
Output is correct |
26 |
Correct |
50 ms |
47736 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
48 ms |
47352 KB |
Output is correct |
2 |
Correct |
49 ms |
47352 KB |
Output is correct |
3 |
Correct |
50 ms |
47352 KB |
Output is correct |
4 |
Correct |
49 ms |
47352 KB |
Output is correct |
5 |
Correct |
49 ms |
47448 KB |
Output is correct |
6 |
Correct |
48 ms |
47324 KB |
Output is correct |
7 |
Correct |
50 ms |
47352 KB |
Output is correct |
8 |
Correct |
49 ms |
47352 KB |
Output is correct |
9 |
Correct |
48 ms |
47376 KB |
Output is correct |
10 |
Correct |
49 ms |
47480 KB |
Output is correct |
11 |
Correct |
48 ms |
47608 KB |
Output is correct |
12 |
Correct |
49 ms |
47376 KB |
Output is correct |
13 |
Correct |
49 ms |
47496 KB |
Output is correct |
14 |
Correct |
48 ms |
47480 KB |
Output is correct |
15 |
Correct |
48 ms |
47528 KB |
Output is correct |
16 |
Correct |
49 ms |
47480 KB |
Output is correct |
17 |
Correct |
49 ms |
47368 KB |
Output is correct |
18 |
Correct |
61 ms |
47608 KB |
Output is correct |
19 |
Correct |
49 ms |
47480 KB |
Output is correct |
20 |
Correct |
50 ms |
47580 KB |
Output is correct |
21 |
Correct |
51 ms |
47476 KB |
Output is correct |
22 |
Correct |
49 ms |
47388 KB |
Output is correct |
23 |
Correct |
50 ms |
47352 KB |
Output is correct |
24 |
Correct |
49 ms |
47480 KB |
Output is correct |
25 |
Correct |
50 ms |
47608 KB |
Output is correct |
26 |
Correct |
50 ms |
47736 KB |
Output is correct |
27 |
Correct |
50 ms |
47356 KB |
Output is correct |
28 |
Correct |
50 ms |
47388 KB |
Output is correct |
29 |
Correct |
49 ms |
47480 KB |
Output is correct |
30 |
Correct |
50 ms |
47480 KB |
Output is correct |
31 |
Correct |
50 ms |
47352 KB |
Output is correct |
32 |
Correct |
51 ms |
47452 KB |
Output is correct |
33 |
Correct |
50 ms |
47480 KB |
Output is correct |
34 |
Correct |
50 ms |
47480 KB |
Output is correct |
35 |
Correct |
49 ms |
47352 KB |
Output is correct |
36 |
Correct |
49 ms |
47352 KB |
Output is correct |
37 |
Correct |
51 ms |
48644 KB |
Output is correct |
38 |
Correct |
51 ms |
48656 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
48 ms |
47352 KB |
Output is correct |
2 |
Correct |
49 ms |
47352 KB |
Output is correct |
3 |
Correct |
50 ms |
47352 KB |
Output is correct |
4 |
Correct |
49 ms |
47352 KB |
Output is correct |
5 |
Correct |
49 ms |
47448 KB |
Output is correct |
6 |
Correct |
48 ms |
47324 KB |
Output is correct |
7 |
Correct |
50 ms |
47352 KB |
Output is correct |
8 |
Correct |
49 ms |
47352 KB |
Output is correct |
9 |
Correct |
48 ms |
47376 KB |
Output is correct |
10 |
Correct |
49 ms |
47480 KB |
Output is correct |
11 |
Correct |
48 ms |
47608 KB |
Output is correct |
12 |
Correct |
49 ms |
47376 KB |
Output is correct |
13 |
Correct |
49 ms |
47496 KB |
Output is correct |
14 |
Correct |
48 ms |
47480 KB |
Output is correct |
15 |
Correct |
48 ms |
47528 KB |
Output is correct |
16 |
Correct |
49 ms |
47480 KB |
Output is correct |
17 |
Correct |
49 ms |
47368 KB |
Output is correct |
18 |
Correct |
61 ms |
47608 KB |
Output is correct |
19 |
Correct |
49 ms |
47480 KB |
Output is correct |
20 |
Correct |
50 ms |
47580 KB |
Output is correct |
21 |
Correct |
51 ms |
47476 KB |
Output is correct |
22 |
Correct |
49 ms |
47388 KB |
Output is correct |
23 |
Correct |
50 ms |
47352 KB |
Output is correct |
24 |
Correct |
49 ms |
47480 KB |
Output is correct |
25 |
Correct |
50 ms |
47608 KB |
Output is correct |
26 |
Correct |
50 ms |
47736 KB |
Output is correct |
27 |
Correct |
50 ms |
47356 KB |
Output is correct |
28 |
Correct |
50 ms |
47388 KB |
Output is correct |
29 |
Correct |
49 ms |
47480 KB |
Output is correct |
30 |
Correct |
50 ms |
47480 KB |
Output is correct |
31 |
Correct |
50 ms |
47352 KB |
Output is correct |
32 |
Correct |
51 ms |
47452 KB |
Output is correct |
33 |
Correct |
50 ms |
47480 KB |
Output is correct |
34 |
Correct |
50 ms |
47480 KB |
Output is correct |
35 |
Correct |
49 ms |
47352 KB |
Output is correct |
36 |
Correct |
49 ms |
47352 KB |
Output is correct |
37 |
Correct |
51 ms |
48644 KB |
Output is correct |
38 |
Correct |
51 ms |
48656 KB |
Output is correct |
39 |
Correct |
191 ms |
62120 KB |
Output is correct |
40 |
Correct |
380 ms |
78648 KB |
Output is correct |
41 |
Correct |
157 ms |
60656 KB |
Output is correct |
42 |
Correct |
195 ms |
61352 KB |
Output is correct |
43 |
Correct |
148 ms |
57320 KB |
Output is correct |
44 |
Correct |
477 ms |
85556 KB |
Output is correct |
45 |
Correct |
426 ms |
84076 KB |
Output is correct |
46 |
Correct |
461 ms |
85680 KB |
Output is correct |
47 |
Correct |
242 ms |
74732 KB |
Output is correct |
48 |
Correct |
300 ms |
79212 KB |
Output is correct |
49 |
Correct |
536 ms |
90276 KB |
Output is correct |
50 |
Correct |
498 ms |
88600 KB |
Output is correct |
51 |
Correct |
546 ms |
91284 KB |
Output is correct |
52 |
Correct |
476 ms |
89276 KB |
Output is correct |
53 |
Correct |
510 ms |
89836 KB |
Output is correct |
54 |
Correct |
483 ms |
87624 KB |
Output is correct |
55 |
Correct |
618 ms |
93032 KB |
Output is correct |
56 |
Correct |
660 ms |
92972 KB |
Output is correct |
57 |
Correct |
681 ms |
92988 KB |
Output is correct |
58 |
Correct |
727 ms |
92948 KB |
Output is correct |
59 |
Correct |
654 ms |
93028 KB |
Output is correct |
60 |
Correct |
649 ms |
93052 KB |
Output is correct |
61 |
Correct |
720 ms |
92884 KB |
Output is correct |
62 |
Correct |
669 ms |
92888 KB |
Output is correct |