oj.uz

Submission #116863

# Submission time Handle Problem Language Result Execution time Memory
116863 2019-06-14T02:57:34 Z MrUnknown Lozinke (COCI17_lozinke) C++11
90 / 100
 1000 ms 15672 KB 
//#include<stdio.h>
#include<bits/stdc++.h>
using namespace std;
#define ll long long
//#define f_(i,a,b) for (int i=a;i>=b;i--)
//#define f(i,a,b) for (int i=a;i<=b;i++)

int n;
string s[20005];
long long dem=0;
unordered_map<string,bool> mb;
unordered_map<string,ll> m;
bool ss(int x,int y) {
	if (s[x].size()>s[y].size()) return false;
	if (s[x].size()<s[y].size()) return true;
	return true;
}
void xot(int l,int r) {
	if (l>=r) return ;
	int pos;
	pos=l;
	string si;
	for (int i=l;i<r;i++) {
		if (ss(i,r)) {
			si=s[i];
			s[i]=s[pos];
			s[pos]=si;
			pos++;
		}
	}
	si=s[r];
	s[r]=s[pos];
	s[pos]=si;
	xot(l,pos-1);
	xot(pos+1,r);
}
int main() {
//	freopen("","r",stdin);
//	freopen("","w",stdout);
	scanf("%d", &n);
	for (int i=1;i<=n;i++) {
		cin>>s[i];
	}
	xot(1,n);
	for (int i=1;i<=n;i++) {
		mb.clear();
		for (int j=0;j<s[i].size();j++) {
			string si;
			for (int l=j;l<s[i].size();l++) {
				si=si+s[i][l];
				if (!mb[si]) {
					mb[si]=true;
					dem+=m[si];
				}
			}
		}
		dem+=m[s[i]];
		m[s[i]]++;
	}
	printf("%lld", dem);
	return 0;
}

Compilation message

lozinke.cpp: In function 'int main()':
lozinke.cpp:47:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j=0;j<s[i].size();j++) {
                ~^~~~~~~~~~~~
lozinke.cpp:49:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for (int l=j;l<s[i].size();l++) {
                 ~^~~~~~~~~~~~
lozinke.cpp:40:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~

Subtask #1
90.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 1024 KB Output is correct
2 Correct 5 ms 896 KB Output is correct
3 Correct 4 ms 1024 KB Output is correct
4 Correct 4 ms 1024 KB Output is correct
5 Correct 10 ms 1280 KB Output is correct
6 Correct 14 ms 1280 KB Output is correct
7 Correct 19 ms 2148 KB Output is correct
8 Correct 31 ms 2808 KB Output is correct
9 Correct 147 ms 2792 KB Output is correct
10 Correct 277 ms 7560 KB Output is correct
11 Correct 285 ms 4408 KB Output is correct
12 Correct 822 ms 15672 KB Output is correct
13 Correct 897 ms 3064 KB Output is correct
14 Correct 621 ms 14240 KB Output is correct
15 Correct 988 ms 15384 KB Output is correct
16 Execution timed out 1075 ms 2304 KB Time limit exceeded
17 Execution timed out 1077 ms 1400 KB Time limit exceeded
18 Correct 822 ms 1528 KB Output is correct
19 Correct 624 ms 8328 KB Output is correct
20 Correct 552 ms 1560 KB Output is correct