Submission #116813

# Submission time Handle Problem Language Result Execution time Memory
116813 2019-06-14T01:39:06 Z manh9203 Lozinke (COCI17_lozinke) C++17
90 / 100
1000 ms 32628 KB
#include<bits/stdc++.h>
using namespace std;
bool cmp(string a,string b){
	return a.length() < b.length();
}
long long n,ans;
string s[20005];
map<string,int> cnt1,cnt2;
int main(){
	cin>>n;
	for(int i=1;i<=n;i++) cin>>s[i];
	sort(s+1,s+1+n,cmp);
	for(int i=1;i<=n;i++){
		map<string,bool> check;
		for(int len=1;len<=s[i].length();len++){
			for(int j=0;j+len-1<s[i].length();j++){
				if(check[s[i].substr(j,len)]==0){
					ans=ans+cnt1[s[i].substr(j,len)];
					check[s[i].substr(j,len)]=1;
				}
			}
		}
		cnt1[s[i]]++;
	}
	for(int i=n;i>=1;i--){
		map<string,bool> check;
		for(int len=1;len<=s[i].length();len++){
			for(int j=0;j+len-1<s[i].length();j++){
				if(check[s[i].substr(j,len)]==0){
					ans=ans+cnt2[s[i].substr(j,len)];
					check[s[i].substr(j,len)]=1;
				}
			}
		}
		cnt2[s[i]]++;
	}
	cout<<ans;
}

Compilation message

lozinke.cpp: In function 'int main()':
lozinke.cpp:15:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int len=1;len<=s[i].length();len++){
                 ~~~^~~~~~~~~~~~~~~
lozinke.cpp:16:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0;j+len-1<s[i].length();j++){
                ~~~~~~~^~~~~~~~~~~~~~
lozinke.cpp:27:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int len=1;len<=s[i].length();len++){
                 ~~~^~~~~~~~~~~~~~~
lozinke.cpp:28:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0;j+len-1<s[i].length();j++){
                ~~~~~~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 3 ms 1024 KB Output is correct
2 Correct 3 ms 1024 KB Output is correct
3 Correct 4 ms 1024 KB Output is correct
4 Correct 5 ms 1024 KB Output is correct
5 Correct 23 ms 1784 KB Output is correct
6 Correct 35 ms 1656 KB Output is correct
7 Correct 47 ms 3068 KB Output is correct
8 Correct 77 ms 4856 KB Output is correct
9 Correct 191 ms 4672 KB Output is correct
10 Correct 435 ms 14740 KB Output is correct
11 Correct 369 ms 7908 KB Output is correct
12 Execution timed out 1018 ms 32628 KB Time limit exceeded
13 Correct 629 ms 4600 KB Output is correct
14 Correct 691 ms 29048 KB Output is correct
15 Execution timed out 1067 ms 29432 KB Time limit exceeded
16 Correct 658 ms 1348 KB Output is correct
17 Correct 132 ms 1024 KB Output is correct
18 Correct 95 ms 1116 KB Output is correct
19 Correct 885 ms 16220 KB Output is correct
20 Correct 418 ms 1288 KB Output is correct