제출 #51904

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
51904		EntityIT	Lozinke (COCI17_lozinke)	C++14	100 / 100	386 ms	4076 KiB

lozinke

#include<bits/stdc++.h>

using namespace std;

#define int long long

const int N = 20005;
string s[N];
map<string, int> cnt, rem;
int ans, n;

signed main () {
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n;
    for (int i = 1; i <= n; ++i) cin >>s[i], cnt[ s[i] ] ++;
    for (int i = 1; i <= n; ++i) {
        for (int j = 0; j < s[i].size(); ++j) {
            string now = "";
            for (int k = j; k < s[i].size(); ++k) {
                now += s[i][k];
                if (cnt.count(now)) {
                    ans += cnt[now] - (j == 0 && k + 1 == s[i].size() ? 1 : 0);
                    rem[now] += cnt[now] - (j == 0 && k + 1 == s[i].size() ? 1 : 0);
                    cnt[now] = (j == 0 && k + 1 == s[i].size() ? 1 : 0);
                }
            }
        }
        for (auto pa : rem) cnt[ pa.first ] += pa.second;
        rem.clear();
    }

    cout << ans;

    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:17:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int j = 0; j < s[i].size(); ++j) {
                         ~~^~~~~~~~~~~~~
lozinke.cpp:19:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int k = j; k < s[i].size(); ++k) {
                             ~~^~~~~~~~~~~~~
lozinke.cpp:22:56: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     ans += cnt[now] - (j == 0 && k + 1 == s[i].size() ? 1 : 0);
                                                  ~~~~~~^~~~~~~~~~~~~~
lozinke.cpp:23:61: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     rem[now] += cnt[now] - (j == 0 && k + 1 == s[i].size() ? 1 : 0);
                                                       ~~~~~~^~~~~~~~~~~~~~
lozinke.cpp:24:49: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                     cnt[now] = (j == 0 && k + 1 == s[i].size() ? 1 : 0);
                                           ~~~~~~^~~~~~~~~~~~~~

• Subtask 1: 100 / 100