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Submission #280465

# Submission time Handle Problem Language Result Execution time Memory
280465 2020-08-22T19:43:02 Z Revo7 Lozinke (COCI17_lozinke) C++14
100 / 100
 272 ms 15692 KB 
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define left 2*i+1
#define righ 2*i+2
#define mid (l+r)/2
#define IOS ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);

using namespace std;
const ll maxn=2e4+100;
const ll mod=1e9+9;
const ll base=27;

ll n;
string s[maxn];
unordered_map<string,ll>cnt;
ll ans=0;
unordered_map<string,bool>vis;
void solve(ll i){
    vis.clear();
    for(ll l=0;l<s[i].size();l++){
        string t="";
        for(ll r=l;r<s[i].size();r++){
            t.pb(s[i][r]);
            if(!vis[t]){
                ans+=cnt[t];
                vis[t]=1;
            }
        }
    }
    ans--;
}
int main()
{
    //setIO("threesum");
    IOS
    cin>>n;
    for(ll i=0;i<n;i++)cin>>s[i];

    for(ll i=0;i<n;i++){
        cnt[s[i]]++;
    }

    for(ll i=0;i<n;i++)solve(i);
    cout<<ans<<endl;
    return 0;
}

Compilation message

lozinke.cpp: In function 'void solve(long long int)':
lozinke.cpp:21:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |     for(ll l=0;l<s[i].size();l++){
      |                ~^~~~~~~~~~~~
lozinke.cpp:23:21: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         for(ll r=l;r<s[i].size();r++){
      |                    ~^~~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1024 KB Output is correct
2 Correct 1 ms 1024 KB Output is correct
3 Correct 1 ms 1024 KB Output is correct
4 Correct 2 ms 1024 KB Output is correct
5 Correct 6 ms 1280 KB Output is correct
6 Correct 9 ms 1280 KB Output is correct
7 Correct 11 ms 1920 KB Output is correct
8 Correct 18 ms 2816 KB Output is correct
9 Correct 46 ms 2684 KB Output is correct
10 Correct 96 ms 7496 KB Output is correct
11 Correct 72 ms 4376 KB Output is correct
12 Correct 246 ms 15692 KB Output is correct
13 Correct 129 ms 2808 KB Output is correct
14 Correct 175 ms 14268 KB Output is correct
15 Correct 272 ms 15420 KB Output is correct
16 Correct 146 ms 1388 KB Output is correct
17 Correct 75 ms 1152 KB Output is correct
18 Correct 53 ms 1152 KB Output is correct
19 Correct 157 ms 8216 KB Output is correct
20 Correct 73 ms 1400 KB Output is correct