QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#724747 | #9521. Giving Directions in Harbin | Lisens# | WA | 2ms | 3828kb | C++20 | 1.3kb | 2024-11-08 14:53:01 | 2024-11-08 14:53:03 |
Judging History
answer
#include<bits/stdc++.h>
#define all(x) x.begin(),x.end()
#define ios ios::sync_with_stdio(false);cin.tie(0),cout.tie(0)
using namespace std;
using ll = long long;
using ull = unsigned long long;
using db = double;
using pii = pair<int, int>;
using pll = pair<long long, long long>;
std::map<char, int> mp = {
{'N', 1},
{'E', 2},
{'S', 3},
{'W', 4}
};
void solve() {
int n;
std::cin >> n;
std::vector<std::pair<char, int>> ans;
char start, now, pre;
int cnt;
for (int i = 1; i <= n; i ++) {
std::cin >> now >> cnt;
if (i == 1) {
start = now;
pre = now;
}
if (mp[pre] - mp[now] == 0) {
ans.push_back({'Z', cnt});
}
else if (mp[pre] - mp[now] == 1) {
ans.push_back({'L', 0});
ans.push_back({'Z', cnt});
}
else {
ans.push_back({'R', 0});
ans.push_back({'Z', cnt});
}
pre = now;
}
std::cout << ans.size() << " " << start << std::endl;
for (auto &[l, r]: ans) {
if (r == 0) std::cout << l << std::endl;
else std::cout << l << " " << r << std::endl;
}
}
signed main() {
ios;
int _ = 1;
//cout << fixed << setprecision(2);
cin >> _;
while(_--) solve();
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3828kb
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: 2ms
memory: 3596kb
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 R Z 2 L Z 8 15 W Z 10 R Z 1 R Z 10 R Z 2 L Z 2 L Z 2 R Z 2 L Z 1 17 N Z 5 R Z 4 L Z 7 R Z 6 R Z 9 L Z 8 L Z 4 R Z 6 R Z 7 11 N Z 6 R Z 6 L Z 8 R Z 9 L Z 7 L Z 2 15 E Z 6 R Z 9 R Z 5 L Z 4 R Z 6 R Z 4 R Z 5 L Z 9 15 N Z 6 R Z 10 R Z 6 R Z 6 L Z 6 L Z 6 R Z 6 L Z 10 19 N Z 7 R Z 3 R Z 5 ...
result:
wrong answer Wrong destination (test case 1)