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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#187770 | #7109. Traveling on the Axis | UrgantTeam# | AC ✓ | 8ms | 4292kb | C++23 | 1.3kb | 2023-09-24 21:59:03 | 2023-09-24 21:59:04 |
Judging History
answer
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <array>
#include <vector>
#include <tuple>
#include <algorithm>
#include <cstdint>
using namespace std;
using vi = vector<int>;
using vb = vector<bool>;
using ll = long long;
ll find_ans(vb v) {
const int n = v.size();
ll basic_ans = (ll)n * (n + 1) * (n + 2) / 6;
ll first_wait_ans = 0;
for (int i = 0; i < n; ++i)
if (!v[i])
first_wait_ans += n - i;
for (int i = 1; i < n; i += 2)
v[i] = !v[i];
ll segments_ans = 0;
vi sgs(1, 1);
for (int i = 1; i < n; ++i) {
if (v[i] != v[i - 1])
sgs.push_back(0);
++sgs.back();
} // 001-
ll suf_sum = 0;
ll prev_len = 0;
for (int i : sgs) {
suf_sum += prev_len;
segments_ans += i * suf_sum;
prev_len += i;
}
ll ans = basic_ans + first_wait_ans + segments_ans;
return ans;
}
bool solve_test() {
string s;
if (!(cin >> s))
return false;
vb t(s.size());
for (int i = 0; i < s.size(); ++i)
t[i] = s[i] == '1';
cout << find_ans(t) << '\n';
return true;
}
void solve_tests() {
int t;
cin >> t;
for (int i = 0; i < t; ++i)
solve_test();
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
#ifdef ONPC
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
solve_tests();
}
这程序好像有点Bug,我给组数据试试?
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3588kb
input:
3 101 011 11010
output:
12 15 43
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 8ms
memory: 4292kb
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 24 1515 69 1567 279 345 14 106 1702 791 621 1447 764 1615 1755 736 1333 6 15 542 44 1689 1515 140 833 497 596 24 1640 694 462 30 425 14 1041 1446 96 504 124 75 560 970 771 945 6 1 321 137 786 720 206 769 46 103 225 74 554 2 100 529 260 207 197 2 197 1041 140 857 207 1 74 1604 41 343 1041 14 1...
result:
ok 6107 lines
Extra Test:
score: 0
Extra Test Passed