Task: | Merkkijonot |
Sender: | cppbetter |
Submission time: | 2023-01-21 15:22:04 +0200 |
Language: | C++ (C++20) |
Status: | READY |
Result: | 15 |
group | verdict | score |
---|---|---|
#1 | ACCEPTED | 15 |
#2 | WRONG ANSWER | 0 |
#3 | WRONG ANSWER | 0 |
test | verdict | time | group | |
---|---|---|---|---|
#1 | ACCEPTED | 0.37 s | 1, 2, 3 | details |
#2 | ACCEPTED | 0.36 s | 1, 2, 3 | details |
#3 | ACCEPTED | 0.37 s | 1, 2, 3 | details |
#4 | ACCEPTED | 0.37 s | 1, 2, 3 | details |
#5 | ACCEPTED | 0.36 s | 2, 3 | details |
#6 | ACCEPTED | 0.36 s | 2, 3 | details |
#7 | ACCEPTED | 0.37 s | 2, 3 | details |
#8 | ACCEPTED | 0.36 s | 2, 3 | details |
#9 | ACCEPTED | 0.37 s | 3 | details |
#10 | ACCEPTED | 0.38 s | 3 | details |
#11 | ACCEPTED | 0.38 s | 3 | details |
#12 | WRONG ANSWER | 0.50 s | 3 | details |
#13 | ACCEPTED | 0.36 s | 3 | details |
#14 | ACCEPTED | 0.36 s | 3 | details |
#15 | WRONG ANSWER | 0.37 s | 2, 3 | details |
#16 | WRONG ANSWER | 0.37 s | 3 | details |
Compiler report
input/code.cpp: In function 'int check(int, std::pair<int, int>)': input/code.cpp:16:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 16 | if(i == pairs.size()) | ~~^~~~~~~~~~~~~~~
Code
#include <iostream>#include <string>#include <vector>#include <tuple>#include <unordered_map>std::vector<std::pair<int, int>> pairs;int mem[500*500*500];// This is O(2^n) algoint check(int i, std::pair<int, int> val){if(val.first == 0 && val.second == 0)return 1;if(i == pairs.size())return 0;auto a = mem[i*500*500+val.first*500 +val.second];if(a != -1)return a;std::pair<int, int> test;test.first = val.first - pairs[i].first;test.second = val.second - pairs[i].second;int sum = 0;if(test.second >= 0 && test.first >= 0)sum += check(i + 1, test) % 1000000007;sum += check(i + 1, val) % 1000000007;mem[i*500*500+val.first*500 +val.second] = sum;return sum;}int main(){int n;std::cin >> n;// Sub sum problem except sketchy???? so best case O(nm) ?????// Only half has to be cheked// pari (count of a, count of b) for 1 partpairs.resize(n);int totalA = 0;int totalB = 0;for(int i = 0; i < n; i++){std::string str;std::cin >> str;// Count the intsances of afor(auto c : str){if(c == 'a'){totalA++;pairs[i].first++;}else {totalB++;pairs[i].second++;}}}for(auto& a : mem)a = -1;//mem = { -1 };if(totalA % 2 == 0 && totalB % 2 == 0)std::cout << check(0, { totalA/2, totalB/2 }) << "\n";elsestd::cout << 0 << "\n";}
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
4 b bbb baabaabaa aab |
correct output |
---|
0 |
user output |
---|
0 |
Test 2
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
8 b bb baa a ... |
correct output |
---|
12 |
user output |
---|
12 |
Test 3
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
16 a a a b ... |
correct output |
---|
5040 |
user output |
---|
5040 |
Test 4
Group: 1, 2, 3
Verdict: ACCEPTED
input |
---|
16 b b a a ... |
correct output |
---|
0 |
user output |
---|
0 |
Test 5
Group: 2, 3
Verdict: ACCEPTED
input |
---|
5 bab bbaaabbabbbaababbbabbabaaabaaa... |
correct output |
---|
0 |
user output |
---|
0 |
Test 6
Group: 2, 3
Verdict: ACCEPTED
input |
---|
10 baabbbababbbabbaaaabab aabaaabbbab aaaabbabab aab ... |
correct output |
---|
2 |
user output |
---|
2 |
Test 7
Group: 2, 3
Verdict: ACCEPTED
input |
---|
20 aaaab baaab babb b ... |
correct output |
---|
4332 |
user output |
---|
4332 |
Test 8
Group: 2, 3
Verdict: ACCEPTED
input |
---|
100 a b a b ... |
correct output |
---|
433105324 |
user output |
---|
433105324 |
Test 9
Group: 3
Verdict: ACCEPTED
input |
---|
10 aaaabbabbaabbaaaabbbbabaaaabab... |
correct output |
---|
0 |
user output |
---|
0 |
Test 10
Group: 3
Verdict: ACCEPTED
input |
---|
50 aaba aaa abbbbaaba ababbabbabab ... |
correct output |
---|
636733956 |
user output |
---|
636733956 |
Test 11
Group: 3
Verdict: ACCEPTED
input |
---|
100 ba bbbaba bbba bb ... |
correct output |
---|
264657218 |
user output |
---|
264657218 |
Test 12
Group: 3
Verdict: WRONG ANSWER
input |
---|
500 a b b b ... |
correct output |
---|
394045503 |
user output |
---|
1394045510 |
Test 13
Group: 3
Verdict: ACCEPTED
input |
---|
2 bbbababaaaabbbaaaaaaabbabbbaab... |
correct output |
---|
2 |
user output |
---|
2 |
Test 14
Group: 3
Verdict: ACCEPTED
input |
---|
1 bbbaaaabaabbbababbbbbbbbabbbaa... |
correct output |
---|
0 |
user output |
---|
0 |
Test 15
Group: 2, 3
Verdict: WRONG ANSWER
input |
---|
100 a a a a ... |
correct output |
---|
538992043 |
user output |
---|
1538992050 |
Test 16
Group: 3
Verdict: WRONG ANSWER
input |
---|
500 a a a a ... |
correct output |
---|
515561345 |
user output |
---|
1515561352 |