CSES - Putka Open 2025 – 4/5

Submission details
Task:	Muutokset
Sender:	Sisuaski
Submission time:	2025-11-07 20:13:48 +0200
Language:	C++ (C++20)
Status:	READY
Result:	50

Feedback
group	verdict	score
#1	ACCEPTED	20
#2	ACCEPTED	30
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.00 s	1, 2, 3	details
#2	ACCEPTED	0.01 s	1, 2, 3	details
#3	ACCEPTED	0.01 s	1, 2, 3	details
#4	ACCEPTED	0.01 s	1, 2, 3	details
#5	ACCEPTED	0.01 s	1, 2, 3	details
#6	ACCEPTED	0.01 s	2, 3	details
#7	ACCEPTED	0.01 s	2, 3	details
#8	ACCEPTED	0.01 s	2, 3	details
#9	ACCEPTED	0.01 s	2, 3	details
#10	ACCEPTED	0.04 s	3	details
#11	ACCEPTED	0.04 s	3	details
#12	ACCEPTED	0.04 s	3	details
#13	WRONG ANSWER	0.05 s	3	details

Code

#include <iostream>
#include <algorithm>
#include <cstring>
using namespace std;
const int MN = 100<<10;
int bit[MN];
void add(int i, int v) {
	for(++i; i<MN; i+=i&-i) bit[i]+=v;
}
int get(int i) {
	int r=0;
	for(++i;i;i&=i-1) r+=bit[i];
	return r;
}
int cnt[MN];
int vs[MN];
void solve(int n, int m, int* res) {
	memset(cnt,0,sizeof(cnt));
	memset(bit,0,sizeof(bit));
	int r=0;
	for(int i=0; i<m; ++i) {
		int x = vs[i];
		int c = ++cnt[x];
		r += 1+get(m-c);
		if (c>1) add(m-c+1,-1);
		add(m-c,1);
		res[i] = r;
	}
}
int res[1<<20];
int res2[1<<20];
int main() {
	int n,m;cin>>n>>m;
	for(int i=0; i<m; ++i) cin>>vs[i];
	solve(n,m,res);
	reverse(vs,vs+m);
	solve(n,m,res2);
	for(int i=0; i+1<m; ++i) cout<<res[i]+res2[m-i-2]<<' ';
	cout<<'\n';
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`1 1 1` view save

correct output
(empty)

user output
(empty)

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 1000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`1000 1000 1000 1000 1000 1000 ...` view save

user output
`1000 1000 1000 1000 1000 1000 ...` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 1000 1 2 2 2 1 1 1 1 1 1 1 1 1 2 1 ...` view save

correct output
`1488 1488 1487 1486 1487 1488 ...` view save

user output
`1488 1488 1487 1486 1487 1488 ...` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 1000 7 8 2 4 8 3 3 10 9 7 7 6 8 7 2...` view save

correct output
`5107 5107 5103 5099 5098 5102 ...` view save

user output
`5107 5107 5103 5099 5098 5102 ...` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`100 1000 23 85 3 99 63 79 38 37 67 28 7...` view save

correct output
`41676 41672 41621 41587 41589 ...` view save

user output
`41676 41672 41621 41587 41589 ...` view save

Test 6

Group: 2, 3

Verdict: ACCEPTED

input
`100000 1000 2 1 2 1 1 2 2 2 1 2 2 2 2 2 2 ...` view save

correct output
`1484 1485 1484 1485 1485 1485 ...` view save

user output
`1484 1485 1484 1485 1485 1485 ...` view save

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
`100000 1000 10 8 4 4 3 8 4 7 5 9 7 1 5 3 4...` view save

correct output
`5279 5275 5277 5276 5272 5268 ...` view save

user output
`5279 5275 5277 5276 5272 5268 ...` view save

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
`100000 1000 82 63 63 58 57 46 58 40 23 47 ...` view save

correct output
`41444 41381 41301 41284 41279 ...` view save

user output
`41444 41381 41301 41284 41279 ...` view save

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
`100000 1000 50231 31135 38003 12048 55578 ...` view save

correct output
`498503 497507 496513 495521 49...` view save

user output
`498503 497507 496513 495521 49...` view save

Test 10

Group: 3

Verdict: ACCEPTED

input
`100000 100000 1 2 1 2 1 1 2 1 1 1 1 2 1 1 2 ...` view save

correct output
`149988 149988 149988 149988 14...` view save

user output
`149988 149988 149988 149988 14...` view save

Test 11

Group: 3

Verdict: ACCEPTED

input
`100000 100000 4 2 6 2 2 2 2 5 9 5 3 5 1 9 1 ...` view save

correct output
`547169 547164 547157 547151 54...` view save

user output
`547169 547164 547157 547151 54...` view save

Test 12

Group: 3

Verdict: ACCEPTED

input
`100000 100000 15 9 37 82 72 45 42 96 67 99 6...` view save

correct output
`4959855 4959845 4959773 495975...` view save

user output
`4959855 4959845 4959773 495975...` view save

Test 13

Group: 3

Verdict: WRONG ANSWER

input
`100000 100000 30941 71402 45742 82863 71830 ...` view save

correct output
`2378217706 2378191367 23781909...` view save

user output
`-1916749590 -1916775929 -19167...` view save

Feedback: Incorrect character on line 1 col 1: expected "2378217706", got "-1916749590"

Putka Open 2025 – 4/5

Muutokset

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Tasks

Submissions (Sisuaski)