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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#692369 | #9521. Giving Directions in Harbin | eroengine# | AC ✓ | 20ms | 19284kb | C++23 | 1.5kb | 2024-10-31 14:24:02 | 2024-10-31 14:24:02 |
Judging History
answer
#include <bits/stdc++.h>
#define int long long
#define endl '\n'
#define lowbit(x) (x&(-x))
#define ull unsigned long long
#define pii pair<int,int>
using namespace std;
const string yes="Yes\n",no="No\n";
const int N = 1000005,inf = 2e18,mod=1000000007;
int qpow(int x,int y=mod-2,int mo=mod,int res=1){
for(;y;(x*=x)%=mo,y>>=1)if(y&1)(res*=x)%=mo;
return res;
}
int jie[N],invjie[N];
int C(int n,int m){return n>=m&&m>=0?jie[n]*invjie[m]%mod*invjie[n-m]%mod:0;}
void main_init(){
int n=N-1;jie[0]=1;for(int i=1;i<=n;i++)jie[i]=jie[i-1]*i%mod;
invjie[n]=qpow(jie[n]);for(int i=n-1;~i;i--)invjie[i]=invjie[i+1]*(i+1)%mod;
}
int n;
string s[15];
int a[15];
string t[]={"S","W","N","E"};
int getid(string x){
for(int i=0;i<4;i++){
if(t[i]==x)return i;
}
}
void solve(){
cin>>n;
vector<pair<string,int>>ans;
for(int i=1;i<=n;i++){
cin>>s[i]>>a[i];
s[0]=s[1];
if(s[i]!=s[i-1]){
int x=getid(s[i-1]),y=getid(s[i]);
if(y==(x+1)%4){
ans.push_back({"R",0});
}
else{
ans.push_back({"L",0});
}
}
ans.push_back({"Z",a[i]});
}
cout<<ans.size()<<" "<<s[1]<<endl;
for(auto [x,y]:ans){
if(x=="Z")cout<<x<<" "<<y<<endl;
else cout<<x<<endl;
}
}
signed main(){
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
cout<<fixed<<setprecision(12);main_init();
int t=1;
cin>>t;
while (t--)solve();
}
这程序好像有点Bug,我给组数据试试?
Details
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Test #1:
score: 100
Accepted
time: 6ms
memory: 19244kb
input:
1 2 S 2 E 1
output:
3 S Z 2 L Z 1
result:
ok ok (1 test case)
Test #2:
score: 0
Accepted
time: 8ms
memory: 19240kb
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 L Z 8 15 W Z 10 R Z 1 R Z 10 R Z 2 L Z 2 L Z 2 L 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 L Z 6 R Z 7 11 N Z 6 R Z 6 L Z 8 L 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 L Z 10 R Z 6 L Z 6 L Z 6 L Z 6 R Z 6 L Z 10 19 N Z 7 L Z 3 R Z 5 ...
result:
ok ok (99 test cases)
Test #3:
score: 0
Accepted
time: 20ms
memory: 19284kb
input:
10000 1 W 9 1 N 3 10 W 10 N 7 W 5 S 9 W 9 S 8 E 9 S 6 E 5 S 5 2 E 8 S 10 2 N 7 W 5 5 S 4 W 3 S 7 E 4 N 7 8 N 7 E 8 N 3 E 9 S 5 W 5 S 9 W 10 9 W 9 S 6 E 6 N 8 W 5 N 6 W 3 N 8 W 7 3 S 9 W 2 N 10 5 N 6 E 4 N 6 E 10 N 1 10 S 7 W 4 N 3 E 5 S 7 W 8 N 2 E 8 N 4 W 8 8 S 9 W 1 N 4 E 6 N 1 W 8 N 6 W 6 4 W 10 ...
output:
1 W Z 9 1 N Z 3 19 W Z 10 R Z 7 L Z 5 L Z 9 R Z 9 L Z 8 L Z 9 R Z 6 L Z 5 R Z 5 3 E Z 8 R Z 10 3 N Z 7 L Z 5 9 S Z 4 R Z 3 L Z 7 L Z 4 L Z 7 15 N Z 7 R Z 8 L Z 3 R Z 9 R Z 5 R Z 5 L Z 9 R Z 10 17 W Z 9 L Z 6 L Z 6 L Z 8 L Z 5 R Z 6 L Z 3 R Z 8 L Z 7 5 S Z 9 R Z 2 R Z 10 9 N Z 6 R Z 4 L Z 6 R Z 10 L ...
result:
ok ok (10000 test cases)
Extra Test:
score: 0
Extra Test Passed