oj.uz

Submission #44321

# Submission time Handle Problem Language Result Execution time Memory
44321 2018-03-31T11:27:55 Z dhruvsomani Three Friends (BOI14_friends) C++14
100 / 100
 31 ms 5692 KB 
#include <iostream>
#include <iomanip>
#include <fstream>

#include <cmath>
#include <string>

#include <algorithm>
#include <list>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>

using namespace std;

int n;
string s, temp;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);

	cin >> n;
	cin >> s;

	if (n%2 == 0) {
		cout << "NOT POSSIBLE";
		return 0;
	}

	set<string> count;

	int one, two;
	bool done, poss;

	one = 0;
	two = n/2 + 1;
	done = false;
	poss = true;
	temp = "";

	while((two < n) && (temp.size() < n/2)) {
		if (s[one] != s[two]) {
			if (!done) {
				done = true;
				one++;
			}
			else {
				poss = false;
				break;
			}
		}
		else {
			temp += s[one];
			one++;
			two++;
		}
	}

	if (poss) count.insert(temp);

	one = 0;
	two = n/2;
	done = false;
	poss = true;
	temp = "";

	while((two < n) && (temp.size() < n/2)) {
		if (s[one] != s[two]) {
			if (!done) {
				done = true;
				two++;
			}
			else {
				poss = false;
				break;
			}
		}
		else {
			temp += s[one];
			one++;
			two++;
		}
	}
	
	if (poss) count.insert(temp);

	if (count.size() == 0) cout << "NOT POSSIBLE";
	else if (count.size() == 1) cout << *(count.begin());
	else cout << "NOT UNIQUE";

	return 0;
}

Compilation message

friends.cpp: In function 'int main()':
friends.cpp:48:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while((two < n) && (temp.size() < n/2)) {
                      ~~~~~~~~~~~~^~~~~
friends.cpp:74:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while((two < n) && (temp.size() < n/2)) {
                      ~~~~~~~~~~~~^~~~~

Subtask #1
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 408 KB Output is correct
4 Correct 2 ms 528 KB Output is correct
5 Correct 2 ms 528 KB Output is correct
6 Correct 2 ms 528 KB Output is correct
7 Correct 2 ms 672 KB Output is correct
8 Correct 2 ms 672 KB Output is correct
9 Correct 2 ms 672 KB Output is correct
10 Correct 2 ms 672 KB Output is correct
11 Correct 2 ms 672 KB Output is correct
12 Correct 2 ms 672 KB Output is correct
13 Correct 2 ms 672 KB Output is correct
14 Correct 2 ms 672 KB Output is correct
15 Correct 2 ms 740 KB Output is correct
16 Correct 2 ms 740 KB Output is correct
17 Correct 2 ms 740 KB Output is correct
18 Correct 2 ms 740 KB Output is correct
19 Correct 2 ms 740 KB Output is correct
20 Correct 2 ms 740 KB Output is correct
21 Correct 2 ms 740 KB Output is correct
22 Correct 2 ms 740 KB Output is correct
23 Correct 2 ms 740 KB Output is correct
24 Correct 2 ms 740 KB Output is correct
25 Correct 2 ms 740 KB Output is correct
26 Correct 2 ms 740 KB Output is correct
27 Correct 2 ms 740 KB Output is correct
28 Correct 2 ms 748 KB Output is correct
29 Correct 2 ms 748 KB Output is correct
30 Correct 2 ms 748 KB Output is correct
31 Correct 2 ms 748 KB Output is correct
32 Correct 2 ms 748 KB Output is correct
33 Correct 2 ms 748 KB Output is correct
34 Correct 2 ms 748 KB Output is correct
35 Correct 2 ms 748 KB Output is correct
36 Correct 2 ms 748 KB Output is correct
37 Correct 2 ms 748 KB Output is correct
38 Correct 2 ms 748 KB Output is correct
39 Correct 2 ms 748 KB Output is correct
40 Correct 2 ms 748 KB Output is correct
41 Correct 2 ms 748 KB Output is correct
42 Correct 2 ms 748 KB Output is correct
43 Correct 2 ms 748 KB Output is correct
44 Correct 2 ms 748 KB Output is correct
45 Correct 2 ms 748 KB Output is correct
46 Correct 2 ms 748 KB Output is correct
47 Correct 2 ms 748 KB Output is correct
48 Correct 2 ms 748 KB Output is correct
49 Correct 2 ms 748 KB Output is correct
50 Correct 2 ms 748 KB Output is correct
51 Correct 2 ms 748 KB Output is correct
52 Correct 2 ms 748 KB Output is correct
53 Correct 2 ms 748 KB Output is correct
54 Correct 2 ms 748 KB Output is correct

Subtask #2
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 5532 KB Output is correct
2 Correct 16 ms 5548 KB Output is correct
3 Correct 18 ms 5548 KB Output is correct
4 Correct 19 ms 5692 KB Output is correct
5 Correct 18 ms 5692 KB Output is correct
6 Correct 7 ms 5692 KB Output is correct
7 Correct 22 ms 5692 KB Output is correct
8 Correct 19 ms 5692 KB Output is correct
9 Correct 31 ms 5692 KB Output is correct
10 Correct 15 ms 5692 KB Output is correct
11 Correct 6 ms 5692 KB Output is correct
12 Correct 2 ms 5692 KB Output is correct
13 Correct 2 ms 5692 KB Output is correct
14 Correct 2 ms 5692 KB Output is correct
15 Correct 2 ms 5692 KB Output is correct
16 Correct 2 ms 5692 KB Output is correct
17 Correct 2 ms 5692 KB Output is correct
18 Correct 2 ms 5692 KB Output is correct
19 Correct 2 ms 5692 KB Output is correct
20 Correct 2 ms 5692 KB Output is correct
21 Correct 2 ms 5692 KB Output is correct
22 Correct 2 ms 5692 KB Output is correct
23 Correct 2 ms 5692 KB Output is correct
24 Correct 2 ms 5692 KB Output is correct
25 Correct 2 ms 5692 KB Output is correct
26 Correct 2 ms 5692 KB Output is correct
27 Correct 2 ms 5692 KB Output is correct
28 Correct 2 ms 5692 KB Output is correct
29 Correct 2 ms 5692 KB Output is correct
30 Correct 2 ms 5692 KB Output is correct
31 Correct 2 ms 5692 KB Output is correct
32 Correct 2 ms 5692 KB Output is correct
33 Correct 2 ms 5692 KB Output is correct
34 Correct 2 ms 5692 KB Output is correct
35 Correct 2 ms 5692 KB Output is correct
36 Correct 2 ms 5692 KB Output is correct
37 Correct 2 ms 5692 KB Output is correct
38 Correct 2 ms 5692 KB Output is correct
39 Correct 2 ms 5692 KB Output is correct
40 Correct 2 ms 5692 KB Output is correct
41 Correct 2 ms 5692 KB Output is correct
42 Correct 2 ms 5692 KB Output is correct
43 Correct 2 ms 5692 KB Output is correct
44 Correct 2 ms 5692 KB Output is correct
45 Correct 2 ms 5692 KB Output is correct
46 Correct 2 ms 5692 KB Output is correct
47 Correct 2 ms 5692 KB Output is correct
48 Correct 2 ms 5692 KB Output is correct
49 Correct 2 ms 5692 KB Output is correct
50 Correct 2 ms 5692 KB Output is correct
51 Correct 2 ms 5692 KB Output is correct
52 Correct 2 ms 5692 KB Output is correct
53 Correct 2 ms 5692 KB Output is correct
54 Correct 2 ms 5692 KB Output is correct