oj.uz

Submission #554686

# Submission time Handle Problem Language Result Execution time Memory
554686 2022-04-29T07:38:21 Z new_acc Lozinke (COCI17_lozinke) C++14
85 / 100
 123 ms 41316 KB 
#include<bits/stdc++.h>
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=1e6+10;
const int SS=1<<19;
const int INFi=2e9;
const ll INFl=1e13;
const ll mod2=998244353;
const ll mod=1e9+7;
const ll mod3=1000696969;
const ll p=70032301;
const ull p2=913;
const int L=20;
int t[N];
string s[N];
unordered_map<ll,int> m;
unordered_map<ll,bool> m2;
void solve(){
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>s[i];
		ll akth=0;
		for(int j=0;j<s[i].size();j++) akth=(akth*p+s[i][j])%mod;
		m[akth]++;
	}
	ll res=0;
	for(int i=1;i<=n;i++){
		for(int j=0;j<s[i].size();j++){
			ll akth=0;
			for(int k=j;k<s[i].size();k++){
				akth=(akth*p+s[i][k])%mod;
				if(m2[akth]) continue;
				res+=m[akth];
				m2[akth]=1;
			}
		}
		m2.clear();
		res--;
	}
	cout<<res<<"\n";
}
int main(){
	ios_base::sync_with_stdio(0),cin.tie(0);
	solve();
}

Compilation message

lozinke.cpp: In function 'void solve()':
lozinke.cpp:30:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |   for(int j=0;j<s[i].size();j++) akth=(akth*p+s[i][j])%mod;
      |               ~^~~~~~~~~~~~
lozinke.cpp:35:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |   for(int j=0;j<s[i].size();j++){
      |               ~^~~~~~~~~~~~
lozinke.cpp:37:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |    for(int k=j;k<s[i].size();k++){
      |                ~^~~~~~~~~~~~

Subtask #1
85.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 31624 KB Output is correct
2 Correct 15 ms 31640 KB Output is correct
3 Correct 16 ms 31648 KB Output is correct
4 Correct 16 ms 31672 KB Output is correct
5 Correct 20 ms 31828 KB Output is correct
6 Correct 19 ms 31788 KB Output is correct
7 Correct 20 ms 32216 KB Output is correct
8 Correct 24 ms 32712 KB Output is correct
9 Correct 37 ms 32768 KB Output is correct
10 Correct 58 ms 36392 KB Output is correct
11 Correct 51 ms 33956 KB Output is correct
12 Incorrect 123 ms 41176 KB Output isn't correct
13 Correct 73 ms 32916 KB Output is correct
14 Incorrect 94 ms 41280 KB Output isn't correct
15 Incorrect 118 ms 41316 KB Output isn't correct
16 Correct 75 ms 31916 KB Output is correct
17 Correct 43 ms 31828 KB Output is correct
18 Correct 36 ms 31796 KB Output is correct
19 Correct 77 ms 36472 KB Output is correct
20 Correct 50 ms 31828 KB Output is correct