oj.uz

답안 #832524

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
832524 2023-08-21T11:08:44 Z vjudge1 세 명의 친구들 (BOI14_friends) C++17
100 / 100
 47 ms 8144 KB 
#include <iostream>
using namespace std;
int n;
bool canFirst, canSecond;
string s, t1, t2;
bool canAddLetter(const string &t) {
    bool added = false;
    for (int i = 0; i < t.size(); i++) {
        if (!added && t[i] != s[i]) added = true;
        if (added && t[i] != s[i + 1]) return false;
    }
    return true;
}
int main() {
    cin >> n >> s;
    if (n & 1) {
        n >>= 1;
        t1 = s.substr(0, n); t2 = s.substr(n + 1);
        canFirst = canAddLetter(t1 + t1); canSecond = canAddLetter(t2 + t2);
        if (canFirst && canSecond && t1 == t2) cout << t1;
        else if (canFirst && canSecond) cout << "NOT UNIQUE";
        else if (canFirst) cout << t1;
        else if (canSecond) cout << t2;
        else cout << "NOT POSSIBLE";
    }
    else cout << "NOT POSSIBLE";
    return 0;
}

Compilation message

friends.cpp: In function 'bool canAddLetter(const string&)':
friends.cpp:8:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |     for (int i = 0; i < t.size(); i++) {
      |                     ~~^~~~~~~~~~

Subtask #1
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 300 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 0 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 220 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 216 KB Output is correct
47 Correct 0 ms 216 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 216 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 216 KB Output is correct
52 Correct 0 ms 216 KB Output is correct
53 Correct 0 ms 216 KB Output is correct
54 Correct 0 ms 212 KB Output is correct

Subtask #2
65.0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 8144 KB Output is correct
2 Correct 34 ms 8132 KB Output is correct
3 Correct 32 ms 8064 KB Output is correct
4 Correct 33 ms 8036 KB Output is correct
5 Correct 47 ms 8140 KB Output is correct
6 Correct 27 ms 4148 KB Output is correct
7 Correct 33 ms 8056 KB Output is correct
8 Correct 29 ms 6484 KB Output is correct
9 Correct 34 ms 7308 KB Output is correct
10 Correct 29 ms 7264 KB Output is correct
11 Correct 31 ms 5960 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 0 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 212 KB Output is correct
52 Correct 0 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 0 ms 212 KB Output is correct