CSES - Putka Open 2015 – 4/6

Submission details
Task:	Pizzeria
Sender:
Submission time:	2015-10-11 22:22:05 +0300
Language:	C++
Status:	READY
Result:	33

Feedback
group	verdict	score
#1	ACCEPTED	16
#2	ACCEPTED	17
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.06 s	1	details
#2	ACCEPTED	0.05 s	1	details
#3	ACCEPTED	0.06 s	1	details
#4	ACCEPTED	0.06 s	1	details
#5	ACCEPTED	0.06 s	1	details
#6	ACCEPTED	0.06 s	2	details
#7	ACCEPTED	0.05 s	2	details
#8	ACCEPTED	0.06 s	2	details
#9	ACCEPTED	0.05 s	2	details
#10	ACCEPTED	0.06 s	2	details
#11	WRONG ANSWER	0.06 s	3	details
#12	WRONG ANSWER	0.06 s	3	details
#13	WRONG ANSWER	0.06 s	3	details
#14	WRONG ANSWER	0.05 s	3	details
#15	WRONG ANSWER	0.06 s	3	details

Code

#include <iostream>

using namespace std;

#define M 1000000007

int main() {
	cin.sync_with_stdio(false);
	long long sum = 0;
	long long n;
	cin >> n;
	for (int i = 0; i < n; i++) {
		long long t;
		cin >> t;
		long long k = ((1<<(n-1))%M * t%M) % M;
		sum = (sum%M + k%M) % M;
	}
	cout << sum << endl;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
`10 14 15 98 62 44 94 18 81 23 20` view save

correct output
`240128` view save

user output
`240128` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`10 10 58 20 84 87 47 54 23 6 1` view save

correct output
`199680` view save

user output
`199680` view save

Test 3

Group: 1

Verdict: ACCEPTED

input
`10 80 83 53 72 20 34 86 59 3 60` view save

correct output
`281600` view save

user output
`281600` view save

Test 4

Group: 1

Verdict: ACCEPTED

input
`10 51 21 94 65 25 14 54 26 98 80` view save

correct output
`270336` view save

user output
`270336` view save

Test 5

Group: 1

Verdict: ACCEPTED

input
`10 98 74 9 82 76 44 95 19 21 74` view save

correct output
`303104` view save

user output
`303104` view save

Test 6

Group: 2

Verdict: ACCEPTED

input
`20 547665480 437998103 715147312 ...` view save

correct output
`900482986` view save

user output
`900482986` view save

Test 7

Group: 2

Verdict: ACCEPTED

input
`20 899274006 779214197 868921544 ...` view save

correct output
`597431505` view save

user output
`597431505` view save

Test 8

Group: 2

Verdict: ACCEPTED

input
`20 815886531 837353495 212009084 ...` view save

correct output
`500875272` view save

user output
`500875272` view save

Test 9

Group: 2

Verdict: ACCEPTED

input
`20 241554251 300825819 121861755 ...` view save

correct output
`727413214` view save

user output
`727413214` view save

Test 10

Group: 2

Verdict: ACCEPTED

input
`20 616368574 891725964 339440566 ...` view save

correct output
`983658830` view save

user output
`983658830` view save

Test 11

Group: 3

Verdict: WRONG ANSWER

input
`100000 139017989 246745424 98404713 1...` view save

correct output
`617854724` view save

user output
`-679824973` view save

Test 12

Group: 3

Verdict: WRONG ANSWER

input
`100000 740140163 225697185 306382149 ...` view save

correct output
`600381749` view save

user output
`-784820983` view save

Test 13

Group: 3

Verdict: WRONG ANSWER

input
`100000 434033625 139042292 589375131 ...` view save

correct output
`814308700` view save

user output
`-398763590` view save

Test 14

Group: 3

Verdict: WRONG ANSWER

input
`100000 710545624 722749769 936750382 ...` view save

correct output
`818868442` view save

user output
`-21296687` view save

Test 15

Group: 3

Verdict: WRONG ANSWER

input
`100000 952521692 471204215 999299313 ...` view save

correct output
`413038708` view save

user output
`-921604598` view save

Putka Open 2015 – 4/6

Pizzeria

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

Test 14

Test 15

Tasks

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