QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#704376 | #9521. Giving Directions in Harbin | fosov | WA | 1ms | 3816kb | C++14 | 1.2kb | 2024-11-02 19:51:57 | 2024-11-02 19:52:21 |
Judging History
answer
#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define ull unsigned long long
#define MOD ((int) (1e9) + 7)
#define pii pair<int, int>
#define N 500010
char d;
int x;
int main() {
#ifdef TEST
freopen("zz.in", "r+", stdin);
#endif
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
unordered_map<char, int> r;
r['N'] = 0;
r['E'] = 1;
r['S'] = 2;
r['W'] = 3;
int t; cin >> t;
while (t --) {
int n; cin >> n;
vector<pair<char, int>> res;
cin >> d >> x;
res.emplace_back(d, -1);
res.emplace_back('Z', x);
char cur = d;
for (int i = 1; i < n; ++ i) {
cin >> d >> x;
if (((r[cur] + 1) % 4) == r[d]) {
res.emplace_back('R', -1);
} else {
res.emplace_back('L', -1);
}
res.emplace_back('Z', x);
}
cout << res.size() - 1 << ' ';
for (auto [x, y] : res) {
if (y == -1) {
cout << x << '\n';
} else {
cout << x << ' ' << y << '\n';
}
}
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3604kb
input:
1 2 S 2 E 1
output:
3 S Z 2 L Z 1
result:
ok ok (1 test case)
Test #2:
score: -100
Wrong Answer
time: 1ms
memory: 3816kb
input:
99 4 E 6 N 1 W 2 S 8 8 W 10 N 1 E 10 S 2 E 2 N 2 W 2 S 1 9 N 5 E 4 N 7 E 6 S 9 E 8 N 4 W 6 N 7 6 N 6 E 6 N 8 W 9 S 7 E 2 8 E 6 S 9 W 5 S 4 W 6 N 4 E 5 N 9 8 N 6 W 10 N 6 W 6 S 6 E 6 S 6 E 10 10 N 7 W 3 N 5 W 5 S 8 W 10 N 6 E 9 N 8 E 8 8 W 9 N 10 E 6 S 10 E 9 S 10 W 6 N 10 4 W 5 N 1 E 5 S 1 4 W 4 S 8...
output:
7 E Z 6 L Z 1 L Z 2 R Z 8 15 W Z 10 R Z 1 L Z 10 L Z 2 L Z 2 R Z 2 L Z 2 L Z 1 17 N Z 5 R Z 4 L Z 7 R Z 6 L Z 9 R Z 8 L Z 4 L Z 6 L Z 7 11 N Z 6 R Z 6 L Z 8 L Z 9 L Z 7 R Z 2 15 E Z 6 R Z 9 L Z 5 R Z 4 L Z 6 L Z 4 L Z 5 L Z 9 15 N Z 6 L Z 10 L Z 6 L Z 6 L Z 6 R Z 6 L Z 6 R Z 10 19 N Z 7 L Z 3 L Z 5 ...
result:
wrong answer Wrong destination (test case 1)