#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pii pair<int,int>
#define OK puts("OK");
#define fr first
#define sc second
#define ret return
#define scan1(a) scanf("%lld",&a);
#define scan2(a,b) scanf("%lld %lld",&a, &b);
#define scan3(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define pb push_back
#define endi puts("");
const int N = 1e6+12,INF=1e9+7;
int q[N],der[4*N];
void update(int v,int l,int r,int x){
if (l==r)
der[v]++;
else {
int m = l+r>>1;
if (x <= m)
update((v<<1),l,m,x);
else
update((v<<1)+1,m+1,r,x);
der[v]=der[v<<1]+der[(v<<1)+1];
}
}
int get_ans(int v,int l,int r,int ql,int qr){
if (r <= ql || qr <= l || ql > qr)ret 0;
if (ql < l && r < qr)ret der[v];
int m = l+r>>1;
ret get_ans(v<<1,l,m,ql,qr)+get_ans((v<<1)+1,m+1,r,ql,qr);
}
main(){
int n,j,i,ans=0,l;
scan1(n)
for (i=1;i<=n;++i)scan1(q[i])
l=1;
for (i=1;i<=n;++i){
int x = get_ans(1,1,1000000,q[l],q[i+1]);
if (x || q[i] > q[i+1]){
ans++;
while (l <= i){
update(1,1,1000000,q[l++]);
}
}
}
cout <<ans;
}
Compilation message
money.cpp: In function 'void update(long long int, long long int, long long int, long long int)':
money.cpp:23:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
23 | int m = l+r>>1;
| ~^~
money.cpp: In function 'long long int get_ans(long long int, long long int, long long int, long long int, long long int)':
money.cpp:35:14: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
35 | int m = l+r>>1;
| ~^~
money.cpp: At global scope:
money.cpp:39:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
39 | main(){
| ^
money.cpp: In function 'int main()':
money.cpp:40:11: warning: unused variable 'j' [-Wunused-variable]
40 | int n,j,i,ans=0,l;
| ^
money.cpp:9:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
9 | #define scan1(a) scanf("%lld",&a);
| ~~~~~^~~~~~~~~~~
money.cpp:41:5: note: in expansion of macro 'scan1'
41 | scan1(n)
| ^~~~~
money.cpp:9:23: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
9 | #define scan1(a) scanf("%lld",&a);
| ~~~~~^~~~~~~~~~~
money.cpp:42:23: note: in expansion of macro 'scan1'
42 | for (i=1;i<=n;++i)scan1(q[i])
| ^~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
492 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
492 KB |
Output is correct |
| 15 |
Correct |
1 ms |
620 KB |
Output is correct |
| 16 |
Correct |
1 ms |
620 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
492 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
492 KB |
Output is correct |
| 15 |
Correct |
1 ms |
620 KB |
Output is correct |
| 16 |
Correct |
1 ms |
620 KB |
Output is correct |
| 17 |
Correct |
1 ms |
620 KB |
Output is correct |
| 18 |
Correct |
1 ms |
620 KB |
Output is correct |
| 19 |
Correct |
1 ms |
620 KB |
Output is correct |
| 20 |
Correct |
1 ms |
492 KB |
Output is correct |
| 21 |
Correct |
1 ms |
620 KB |
Output is correct |
| 22 |
Correct |
1 ms |
492 KB |
Output is correct |
| 23 |
Correct |
1 ms |
512 KB |
Output is correct |
| 24 |
Correct |
1 ms |
492 KB |
Output is correct |
| 25 |
Correct |
1 ms |
876 KB |
Output is correct |
| 26 |
Correct |
1 ms |
748 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
492 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
492 KB |
Output is correct |
| 15 |
Correct |
1 ms |
620 KB |
Output is correct |
| 16 |
Correct |
1 ms |
620 KB |
Output is correct |
| 17 |
Correct |
1 ms |
620 KB |
Output is correct |
| 18 |
Correct |
1 ms |
620 KB |
Output is correct |
| 19 |
Correct |
1 ms |
620 KB |
Output is correct |
| 20 |
Correct |
1 ms |
492 KB |
Output is correct |
| 21 |
Correct |
1 ms |
620 KB |
Output is correct |
| 22 |
Correct |
1 ms |
492 KB |
Output is correct |
| 23 |
Correct |
1 ms |
512 KB |
Output is correct |
| 24 |
Correct |
1 ms |
492 KB |
Output is correct |
| 25 |
Correct |
1 ms |
876 KB |
Output is correct |
| 26 |
Correct |
1 ms |
748 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
1 ms |
364 KB |
Output is correct |
| 30 |
Correct |
1 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
620 KB |
Output is correct |
| 33 |
Correct |
1 ms |
512 KB |
Output is correct |
| 34 |
Correct |
1 ms |
620 KB |
Output is correct |
| 35 |
Correct |
1 ms |
492 KB |
Output is correct |
| 36 |
Correct |
1 ms |
492 KB |
Output is correct |
| 37 |
Correct |
3 ms |
3436 KB |
Output is correct |
| 38 |
Correct |
3 ms |
3436 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
492 KB |
Output is correct |
| 8 |
Correct |
1 ms |
492 KB |
Output is correct |
| 9 |
Correct |
1 ms |
492 KB |
Output is correct |
| 10 |
Correct |
1 ms |
492 KB |
Output is correct |
| 11 |
Correct |
1 ms |
492 KB |
Output is correct |
| 12 |
Correct |
1 ms |
492 KB |
Output is correct |
| 13 |
Correct |
1 ms |
492 KB |
Output is correct |
| 14 |
Correct |
1 ms |
492 KB |
Output is correct |
| 15 |
Correct |
1 ms |
620 KB |
Output is correct |
| 16 |
Correct |
1 ms |
620 KB |
Output is correct |
| 17 |
Correct |
1 ms |
620 KB |
Output is correct |
| 18 |
Correct |
1 ms |
620 KB |
Output is correct |
| 19 |
Correct |
1 ms |
620 KB |
Output is correct |
| 20 |
Correct |
1 ms |
492 KB |
Output is correct |
| 21 |
Correct |
1 ms |
620 KB |
Output is correct |
| 22 |
Correct |
1 ms |
492 KB |
Output is correct |
| 23 |
Correct |
1 ms |
512 KB |
Output is correct |
| 24 |
Correct |
1 ms |
492 KB |
Output is correct |
| 25 |
Correct |
1 ms |
876 KB |
Output is correct |
| 26 |
Correct |
1 ms |
748 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
1 ms |
364 KB |
Output is correct |
| 30 |
Correct |
1 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
620 KB |
Output is correct |
| 33 |
Correct |
1 ms |
512 KB |
Output is correct |
| 34 |
Correct |
1 ms |
620 KB |
Output is correct |
| 35 |
Correct |
1 ms |
492 KB |
Output is correct |
| 36 |
Correct |
1 ms |
492 KB |
Output is correct |
| 37 |
Correct |
3 ms |
3436 KB |
Output is correct |
| 38 |
Correct |
3 ms |
3436 KB |
Output is correct |
| 39 |
Correct |
189 ms |
7444 KB |
Output is correct |
| 40 |
Correct |
328 ms |
12268 KB |
Output is correct |
| 41 |
Correct |
151 ms |
6124 KB |
Output is correct |
| 42 |
Correct |
142 ms |
5996 KB |
Output is correct |
| 43 |
Correct |
105 ms |
4460 KB |
Output is correct |
| 44 |
Correct |
409 ms |
15340 KB |
Output is correct |
| 45 |
Correct |
400 ms |
15212 KB |
Output is correct |
| 46 |
Correct |
402 ms |
15468 KB |
Output is correct |
| 47 |
Correct |
431 ms |
15084 KB |
Output is correct |
| 48 |
Correct |
381 ms |
15212 KB |
Output is correct |
| 49 |
Correct |
585 ms |
31468 KB |
Output is correct |
| 50 |
Correct |
579 ms |
31468 KB |
Output is correct |
| 51 |
Correct |
589 ms |
31468 KB |
Output is correct |
| 52 |
Correct |
576 ms |
31468 KB |
Output is correct |
| 53 |
Correct |
589 ms |
31468 KB |
Output is correct |
| 54 |
Correct |
582 ms |
31468 KB |
Output is correct |
| 55 |
Correct |
732 ms |
31468 KB |
Output is correct |
| 56 |
Correct |
744 ms |
31468 KB |
Output is correct |
| 57 |
Correct |
731 ms |
31468 KB |
Output is correct |
| 58 |
Correct |
741 ms |
31384 KB |
Output is correct |
| 59 |
Correct |
737 ms |
31340 KB |
Output is correct |
| 60 |
Correct |
734 ms |
31340 KB |
Output is correct |
| 61 |
Correct |
734 ms |
31468 KB |
Output is correct |
| 62 |
Correct |
736 ms |
31468 KB |
Output is correct |
