| Task: | Pizzeria |
| Sender: | |
| Submission time: | 2015-10-11 22:01:54 +0300 |
| Language: | C++ |
| Status: | READY |
| Result: | 33 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 16 |
| #2 | ACCEPTED | 17 |
| #3 | WRONG ANSWER | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.06 s | 1 | details |
| #2 | ACCEPTED | 0.06 s | 1 | details |
| #3 | ACCEPTED | 0.05 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 | 0.06 s | 2 | details |
| #8 | ACCEPTED | 0.06 s | 2 | details |
| #9 | ACCEPTED | 0.06 s | 2 | details |
| #10 | ACCEPTED | 0.06 s | 2 | details |
| #11 | WRONG ANSWER | 0.10 s | 3 | details |
| #12 | WRONG ANSWER | 0.09 s | 3 | details |
| #13 | WRONG ANSWER | 0.09 s | 3 | details |
| #14 | WRONG ANSWER | 0.10 s | 3 | details |
| #15 | WRONG ANSWER | 0.08 s | 3 | details |
Code
#include <iostream>
#include <vector>
#include <cstdio>
using namespace std;
int main() {
long long n;
cin >> n;
long long s = 0;
for (int i = 0; i < n; ++i) {
long long x;
cin >> x;
s = (s + x) % (1000000000+7);
}
cout << (s * (1 << (n-1))) % (1000000000+7) << "\n";
}
Test details
Test 1
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 10 14 15 98 62 44 94 18 81 23 20 |
| correct output |
|---|
| 240128 |
| user output |
|---|
| 240128 |
Test 2
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 10 10 58 20 84 87 47 54 23 6 1 |
| correct output |
|---|
| 199680 |
| user output |
|---|
| 199680 |
Test 3
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 10 80 83 53 72 20 34 86 59 3 60 |
| correct output |
|---|
| 281600 |
| user output |
|---|
| 281600 |
Test 4
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 10 51 21 94 65 25 14 54 26 98 80 |
| correct output |
|---|
| 270336 |
| user output |
|---|
| 270336 |
Test 5
Group: 1
Verdict: ACCEPTED
| input |
|---|
| 10 98 74 9 82 76 44 95 19 21 74 |
| correct output |
|---|
| 303104 |
| user output |
|---|
| 303104 |
Test 6
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 547665480 437998103 715147312 ... |
| correct output |
|---|
| 900482986 |
| user output |
|---|
| 900482986 |
Test 7
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 899274006 779214197 868921544 ... |
| correct output |
|---|
| 597431505 |
| user output |
|---|
| 597431505 |
Test 8
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 815886531 837353495 212009084 ... |
| correct output |
|---|
| 500875272 |
| user output |
|---|
| 500875272 |
Test 9
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 241554251 300825819 121861755 ... |
| correct output |
|---|
| 727413214 |
| user output |
|---|
| 727413214 |
Test 10
Group: 2
Verdict: ACCEPTED
| input |
|---|
| 20 616368574 891725964 339440566 ... |
| correct output |
|---|
| 983658830 |
| user output |
|---|
| 983658830 |
Test 11
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 139017989 246745424 98404713 1... |
| correct output |
|---|
| 617854724 |
| user output |
|---|
| -679824973 |
Test 12
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 740140163 225697185 306382149 ... |
| correct output |
|---|
| 600381749 |
| user output |
|---|
| -784820983 |
Test 13
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 434033625 139042292 589375131 ... |
| correct output |
|---|
| 814308700 |
| user output |
|---|
| -398763590 |
Test 14
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 710545624 722749769 936750382 ... |
| correct output |
|---|
| 818868442 |
| user output |
|---|
| -21296687 |
Test 15
Group: 3
Verdict: WRONG ANSWER
| input |
|---|
| 100000 952521692 471204215 999299313 ... |
| correct output |
|---|
| 413038708 |
| user output |
|---|
| -921604598 |