제출 #1078664

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1078664		khactrung1912	Lozinke (COCI17_lozinke)	C++14	5 / 100	1068 ms	1624 KiB

lozinke

#include<bits/stdc++.h>
using namespace std;
#define ll vector<long long, long long>
#define fi first
#define se second
const int maxn = 2e4 + 10;
const int mod = 1e9 + 7;
const int inf = 1e9;
long long n,m,p,ans,l[maxn];
string a,b,s[maxn];
int main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL); cout.tie(NULL);
	//freopen("PASS.INP","r",stdin);
	//freopen("PASS.OUT","w",stdout);
	cin>>n;
	for (int i=1; i<=n; i++) cin>>s[i],l[i]=s[i].size();
	for (int i=1; i<=n-1; i++)
		for (int j=i+1; j<=n; j++)
		 {
		 	a=s[i]; b=s[j]; p=l[i]; m=l[j];
		 	if (p==m)
			 {
			 	if (a==b) ans+=2;
			 	continue;
			 } 
		 	if (p>m)
		 	 {
		 	 	swap(a,b); swap(p,m);
			 }
			b+=a;
			if (b.find(a)!=m)  ans++;
		 }
	cout<<ans;
}

컴파일 시 표준 에러 (stderr) 메시지

lozinke.cpp: In function 'int main()':
lozinke.cpp:32:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   32 |    if (b.find(a)!=m)  ans++;
      |        ~~~~~~~~~^~~

• Subtask 1: 5 / 100