CSES - Datatähti 2022 alku - Results
Submission details
Task:Ositus
Sender:hltk
Submission time:2021-10-04 00:43:39
Language:C++17
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED40
#2ACCEPTED25
#3ACCEPTED35
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.01 s2, 3details
#6ACCEPTED0.01 s3details
#7ACCEPTED0.07 s3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:21:17: warning: array subscript has type 'char' [-Wchar-subscripts]
    if (seen[s[j]]) break;
                 ^
input/code.cpp:22:13: warning: array subscript has type 'char' [-Wchar-subscripts]
    seen[s[j]] = 1;
             ^

Code

#include <iostream>
using namespace std;

const int P = 1e9 + 7;
const int N = 1e6;

int dp[N + 1];

int main() {
	string s;
	cin >> s;

	int n = (int) s.size();

	dp[0] = 1;

	for (int i = 0; i < n; ++i) {
		bool seen[256] {};

		for (int j = i; j < n; ++j) {
			if (seen[s[j]]) break;
			seen[s[j]] = 1;
			dp[j + 1] += dp[i];
			dp[j + 1] %= P;
		}
	}

	cout << dp[n] << endl;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
a

correct output
1

user output
1

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
abcdefghij

correct output
512

user output
512

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
abcabaacbc

correct output
120

user output
120

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
aaxxxxxxaa

correct output
4

user output
4

Test 5

Group: 2, 3

Verdict: ACCEPTED

input
mfyzvoxmppoxcvktmcjkryyocfweub...

correct output
643221148

user output
643221148

Test 6

Group: 3

Verdict: ACCEPTED

input
weinscqmmpgbrlboocvtbptgbahmwv...

correct output
831644159

user output
831644159

Test 7

Group: 3

Verdict: ACCEPTED

input
sxaoxcyrjoeieyinaqxwukgzdnhhsw...

correct output
816016015

user output
816016015