Submission #312459

#	Time	Username	Problem	Language	Result	Execution time	Memory
312459		neki	Lozinke (COCI17_lozinke)	C++14	100 / 100	515 ms	17016 KiB

lozinke

#include <bits/stdc++.h>
#define loop(i, a, b) for(long long i=a;i<b;i++)
#define pool(i, a, b) for(long long i=a-1;i>=b;i--)
#define fore(i, a) for(auto&& i:a)
#define fi first
#define se second
#define ps(a) push_back(a)
#define pb(a) pop_back(a)
#define sc scanf
#define vc vector
#define pa pair<ll, ll>
#define ll long long
#define lb lower_bound
#define ub upper_bound
#define all(a) a.begin(), a.end()
#define llmax LLONG_MAX/2
#define llmin -LLONG_MAX/2
using namespace std;
#define mn 26000
#define pa pair<ll, ll>
#define ld long double 
map<string, ll> dp;
string arr[mn];
int main(){
    ll n, ans=0;cin >> n;
    loop(i, 0, n){
        string a;cin >> a;
        arr[i]=a;
        map<string, ll>temp;
        loop(x, 0, a.length()+1) loop(y, x+1, a.length()+1) temp[a.substr(x, y-x)]=1;
        fore(v, temp) dp[v.fi]++;
    }
    loop(i, 0, n) ans+=dp[arr[i]]-1;
    cout << ans<<endl;
}

Compilation message (stderr)

lozinke.cpp: In function 'int main()':
lozinke.cpp:2:42: 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]
    2 | #define loop(i, a, b) for(long long i=a;i<b;i++)
......
   30 |         loop(x, 0, a.length()+1) loop(y, x+1, a.length()+1) temp[a.substr(x, y-x)]=1;
      |              ~~~~~~~~~~~~~~~~~~           
lozinke.cpp:30:9: note: in expansion of macro 'loop'
   30 |         loop(x, 0, a.length()+1) loop(y, x+1, a.length()+1) temp[a.substr(x, y-x)]=1;
      |         ^~~~
lozinke.cpp:2:42: 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]
    2 | #define loop(i, a, b) for(long long i=a;i<b;i++)
......
   30 |         loop(x, 0, a.length()+1) loop(y, x+1, a.length()+1) temp[a.substr(x, y-x)]=1;
      |                                       ~~~~~~~~~~~~~~~~~~~~
lozinke.cpp:30:34: note: in expansion of macro 'loop'
   30 |         loop(x, 0, a.length()+1) loop(y, x+1, a.length()+1) temp[a.substr(x, y-x)]=1;
      |                                  ^~~~

• Subtask 1: 100 / 100