제출 #917960

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
917960		406	Lozinke (COCI17_lozinke)	C++17	100 / 100	254 ms	35904 KiB

lozinke

#include <bits/stdc++.h>
#define int int64_t
#define FOR(i, a, b) for (int i = (a); i < (b); ++i)

using namespace std;
using ar = array<int, 2>;

const int64_t INF = 1ll << 60;
const int N = 2e4 + 5;
string s[N];

signed main() {
        ios::sync_with_stdio(false);
        cin.tie(nullptr); 
        int n;
        cin >> n;
        vector<string> V;
        FOR(i, 0, n) {
                cin >> s[i];
                vector<string> v;
                FOR(k, 0, s[i].size()) {
                        string a; 
                        FOR(j, k, s[i].size()) {
                                a += s[i][j];
                                v.push_back(a);
                        }
                }
                sort(v.begin(), v.end());
                v.resize(unique(v.begin(), v.end()) - v.begin());
                V.insert(V.end(), v.begin(), v.end());
        }
        sort(V.begin(), V.end());
        int ans = -n;
        FOR(i, 0, n) {
                int L = lower_bound(V.begin(), V.end(), s[i]) - V.begin();
                int R = upper_bound(V.begin(), V.end(), s[i]) - V.begin();
                ans += R - L;
        }
        cout << ans << '\n';
        return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:3:42: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define FOR(i, a, b) for (int i = (a); i < (b); ++i)
      |                                          ^
lozinke.cpp:21:17: note: in expansion of macro 'FOR'
   21 |                 FOR(k, 0, s[i].size()) {
      |                 ^~~
lozinke.cpp:3:42: warning: comparison of integer expressions of different signedness: 'int64_t' {aka 'long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    3 | #define FOR(i, a, b) for (int i = (a); i < (b); ++i)
      |                                          ^
lozinke.cpp:23:25: note: in expansion of macro 'FOR'
   23 |                         FOR(j, k, s[i].size()) {
      |                         ^~~

• Subtask 1: 100 / 100