QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#203736 | #7109. Traveling on the Axis | ucup-team484 | WA | 6ms | 3648kb | C++17 | 774b | 2023-10-06 19:53:33 | 2023-10-06 19:53:35 |
Judging History
answer
#include <bits/stdc++.h>
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()
#define st first
#define nd second
using namespace std;
typedef long long ll;
const int mod = 1e9 + 7;
const int N = 1e6 + 5;
void solve() {
string s; cin >> s;
int n = sz(s);
ll ans = n * 1ll * (n + 1) * 1ll * (n + 2) / 6;
for (int i = 1; i < n; i += 2)
s[i] ^= 1;
vector<ll> cnt(2);
for (int i = n - 1, f = 0; i >= 0; i--, f ^= 1) {
s[i] -= '0';
cnt[s[i]]++;
if (i + 1 < n && s[i] != s[i + 1])
cnt[s[i]] = cnt[!s[i]] + n - i;
// cout << cnt[0] << " " << cnt[1] << " " << f << endl;
ans += cnt[f];
}
cout << ans << "\n";
}
int main() {
ios_base::sync_with_stdio(false); cin.tie(0);
int t; cin >> t; while (t--) solve();
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3412kb
input:
3 101 011 11010
output:
12 15 43
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 6ms
memory: 3648kb
input:
6107 1010101 010110100110101 1010 1010101010010101010 101011 0101101011010101010 0101101011 11011010101 010 1011010 10110101010101010100 010101010110101 10101010101011 0101010101010101011 00101010011000 1010101010010110110 01010101001010101010 101010101010101 100100101010101010 01 011 0101010100101 ...
output:
96 889 26 1515 74 1567 282 345 14 106 1728 791 630 1447 737 1615 1733 736 1312 5 15 542 44 1703 1515 136 833 497 596 26 1650 677 438 26 421 14 1041 1449 96 504 124 74 560 954 771 943 5 1 321 137 786 717 206 769 46 103 225 75 554 2 100 529 253 207 197 2 197 1041 136 857 207 1 85 1604 41 343 1041 14 1...
result:
wrong answer 3rd lines differ - expected: '24', found: '26'