제출 #928051

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
928051		xad	Lozinke (COCI17_lozinke)	C++14	20 / 100	1027 ms	2348 KiB

lozinke

#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update>
#define nn "\n"
#define x_x ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define intt int _; cin >> _; while (_--)
#define emp push_back
#define mod 1000000007
#define all(v) v.begin(), v.end()
#define ld long double
#define A first
#define B second
typedef long long ll;
const ld eps = 1e-27;
// diff between decimals 0.000000001 mt19937 mt(time(nullptr));
int fx[]={1,-1,0,0}, fy[]={0,0,1,-1};

int main() {
    /*freopen("measurement.in","r",stdin);
    freopen("measurement.out","w", stdout);*/

    x_x
    int n; cin>>n; string ar[n]; map<string,int>mp;
    for (auto&i:ar) cin>>i, mp[i]++;
    ll ans=0;
    for (int i=0; i<n; i++ ){
            mp[ar[i]]--;
        for (int j=0; j<n; j++) {
            for (int k=0; (k+j)<=ar[i].size(); k++) {
                if (mp.find(ar[i].substr(k,j))!=mp.end()) ans+=mp[ar[i].substr(k,j)];
            }
        }
        ++mp[ar[i]];
    }
    cout<<ans;
   return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:32:32: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |             for (int k=0; (k+j)<=ar[i].size(); k++) {
      |                           ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 20 / 100