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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#390665 | #2833. Hamilton | Nahidameow | WA | 0ms | 3888kb | C++20 | 2.0kb | 2024-04-15 19:38:21 | 2024-04-15 19:38:21 |
Judging History
answer
#include<bits/stdc++.h>
#define pd push_back
#define all(A) A.begin(),A.end()
#define lower_bound lb
#define ve std::vector
typedef long long ll;
typedef long long ll;
typedef __int128 Int;
typedef unsigned long long ul;
typedef long double LD;
bool FileIfstream(std::string name){
std::ifstream f(name.c_str());
return f.good();
}
namespace Math{
ll QP(ll x,ll y,ll mod){ll ans=1;for(;y;y>>=1,x=x*x%mod)if(y&1)ans=ans*x%mod;return ans;}
ll inv(ll x,ll mod){return QP(x,mod-2,mod);}
}
const int N=2e5+10;
const int mod=998244353;
int n;
void solve(){
//don't forget to open long long
ve<std::string>v(n+1);
for(int i=1;i<=n;i++){
std::cin>>v[i];
v[i]=" "+v[i];
}
ve<int>ans;ans.pd(1);ans.pd(2);
auto insert=[&](int x,int y)->void{ans.insert(ans.begin()+x,y);};
auto col=[&](int x,int y)->char{return v[x][y];};
auto had=[&](int x)->char{int L=ans.size();return col(x%L,(x+1)%L);};
for(int i=3;i<=n;i++){
int L=ans.size();
int pos=-1;
for(int j=0;j+2<L;j++)
if(had(j)!=had((j+1)%L))
pos=j;
if(pos==-1){
ans.pd(i);L++;
for(int j=0;j+1<i;j++)
if(had(j)!=had((j+1)%L)){
rotate(ans.begin(),ans.begin()+j,ans.begin()+i);
break;
}
}else{
if(v[ans[pos]][i]==v[ans[(pos+1)%L]][i])
insert(pos+1,i);
else if(v[ans[(pos+1)%L]][i]==v[ans[(pos+2)%L]][i])
insert(pos+2,i);
else if(v[ans[(pos+1)%L]][i]==had(pos))
insert(pos+2,i);
else insert(pos+1,i);
}
// for(auto &p:ans)
// std::cerr<<p<<' ';
// std::cerr<<'\n';
}
int pos=-1;
for(int i=0;i+2<ans.size();i++){
if(v[ans[i]][ans[i+1]]!=v[ans[i+1]][ans[i+2]]){
pos=i;
break;
}
}
for(int i=0;i<n;i++)
std::cout<<ans[i]<<(i==n-1?'\n':' ');
}
int main(){
#ifndef ONLINE_JUDGE
if(!FileIfstream("IO.in")){
freopen("IO.in","w",stdout);
return 0;
}
freopen("IO.in","r",stdin);
freopen("IO.out","w",stdout);
#endif
std::ios::sync_with_stdio(false);
std::cin.tie(0);
std::cout.tie(0);
int T=1;
while(std::cin>>n)solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3888kb
input:
3 001 000 100 4 0000 0000 0000 0000
output:
1 2 3 1 4 2 3
result:
ok 2 cases.
Test #2:
score: -100
Wrong Answer
time: 0ms
memory: 3660kb
input:
3 000 000 000 3 010 100 000 3 011 100 100 3 011 101 110
output:
1 2 3 1 2 3 1 2 3 1 2 3
result:
wrong answer case #3: found 2 indices