#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 500
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1000000007;//998244353;
const ll inf=1e18*4;
const ld pai=acos(-1);
int n;
string s[20];
int dp[20];
bool cmp(string a,string b){
return a.size()<b.size();
}
int check(string a,string b){
if(a.size()-b.size()>1)return 0;
reverse(a.begin(),a.end());
reverse(b.begin(),b.end());
for(int i=0;i<b.size()-((int)a.size()==(int)b.size());i++){
if(a[i]!=b[i])return 0;
}
return 1;
}
int main(){
cin>>n;
for(int i=0;i<n;i++)cin>>s[i];
sort(s,s+n,cmp);
int MX=1;
dp[0]=1;
for(int i=1;i<n;i++){
for(int j=i-1;j>=0;j--){
if(check(s[i],s[j])){
dp[i]=max(dp[i],dp[j]+1);
}
}
MX=max(MX,dp[i]);
}
cout<<MX<<endl;
}
Compilation message
rima.cpp: In function 'int check(std::__cxx11::string, std::__cxx11::string)':
rima.cpp:38:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0;i<b.size()-((int)a.size()==(int)b.size());i++){
~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
376 KB |
Output isn't correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
4 |
Runtime error |
2 ms |
376 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
5 |
Runtime error |
4 ms |
632 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
6 |
Runtime error |
3 ms |
504 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
7 |
Runtime error |
2 ms |
376 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
8 |
Runtime error |
3 ms |
376 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
9 |
Runtime error |
3 ms |
376 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
10 |
Runtime error |
3 ms |
376 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |