QOJ.ac
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 |
---|---|---|---|---|---|---|---|---|---|
#208089 | #1361. Ant Typing | rlong | WA | 248ms | 3880kb | C++14 | 1.6kb | 2023-10-09 05:38:22 | 2023-10-09 05:38:23 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
using namespace std;
void solve() {
string s; cin >> s;
vector<vector<int>> cnts(10, vector<int>(10, 0));
int mincost = LONG_MAX;
for(int i = 0; i < s.length() - 1; i++) {
cnts[s[i] - '0'][s[i+1] - '0']++;
}
vector<int> nums = {1, 2, 3, 4, 5, 6, 7, 8, 9};
map<int, int> mp;
// for (int i = 1; i < 10; i++) {
// for (int j = 1; j < 10; j++) {
// cout << cnts[i][j] << " ";
// }
// cout << "\n";
// }
do {
// for (int i = 0; i < 9; ++i) {
// cout << nums[i] << " ";
// }
// cout << '\n';
for (int i = 0; i < 9; ++i) {
mp[nums[i]] = i;
}
// for (int i = 1; i <= 9; ++i) {
// cout << mp[i] << " ";
// }
// cout << '\n';
int cur = s.length();
for (int i = 1; i < 10; i++) {
for (int j = 1; j < 10; j++) {
cur += cnts[i][j] * (abs(mp[i] - mp[j]) + (i == j));
// if (cnts[i][j] != 0) {
// cout << i << ' ' << j << '\n';
// cout << cnts[i][j] * (abs(mp[i] - mp[j]) + (i == j)) << '\n';
// }
}
}
// cout << s[0] << "\n";
cur += mp[s[0]] + 1;
// cout << mp[7] << mp[s[0]] << "\n";
mincost = min(mincost, cur);
} while (next_permutation(nums.begin(), nums.end()));
cout << mincost << "\n";
return;
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}
详细
Test #1:
score: 0
Wrong Answer
time: 248ms
memory: 3880kb
input:
6
output:
2
result:
wrong answer 1st lines differ - expected: '1', found: '2'