oj.uz

Submission #116814

# Submission time Handle Problem Language Result Execution time Memory
116814 2019-06-14T01:42:35 Z manh9203 Lozinke (COCI17_lozinke) C++17
90 / 100
 1000 ms 32632 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(){
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	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:16:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int len=1;len<=s[i].length();len++){
                 ~~~^~~~~~~~~~~~~~~
lozinke.cpp:17:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0;j+len-1<s[i].length();j++){
                ~~~~~~~^~~~~~~~~~~~~~
lozinke.cpp:28:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int len=1;len<=s[i].length();len++){
                 ~~~^~~~~~~~~~~~~~~
lozinke.cpp:29:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(int j=0;j+len-1<s[i].length();j++){
                ~~~~~~~^~~~~~~~~~~~~~

Subtask #1
90.0 / 100.0

# 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 1152 KB Output is correct
5 Correct 22 ms 1792 KB Output is correct
6 Correct 35 ms 1664 KB Output is correct
7 Correct 46 ms 3200 KB Output is correct
8 Correct 76 ms 4728 KB Output is correct
9 Correct 187 ms 4572 KB Output is correct
10 Correct 444 ms 14712 KB Output is correct
11 Correct 393 ms 7928 KB Output is correct
12 Execution timed out 1060 ms 32632 KB Time limit exceeded
13 Correct 586 ms 4464 KB Output is correct
14 Correct 698 ms 28964 KB Output is correct
15 Execution timed out 1069 ms 31932 KB Time limit exceeded
16 Correct 592 ms 1600 KB Output is correct
17 Correct 121 ms 896 KB Output is correct
18 Correct 95 ms 1016 KB Output is correct
19 Correct 727 ms 16248 KB Output is correct
20 Correct 271 ms 1264 KB Output is correct