oj.uz

답안 #728776

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
728776 2023-04-23T05:20:12 Z rominanafu 세 명의 친구들 (BOI14_friends) C++11
35 / 100
 500 ms 6116 KB 
#include <bits/stdc++.h>

using namespace std;

int n, len;
string s;
string r1, r2;
bool unico = true;

bool posible(int x) {
    int ini = 0, fin = len;
    if (x < fin)
        fin++;
    int cont=0;
    while (cont < len) {
        if (ini == x)
            ini++;
        if (fin == x)
            fin++;
        if (fin == n) {
            break;
        }
        if (s[ini] != s[fin])
            return false;
        ini++;
        fin++;
        cont++;
    }
    return true;
}

int main() {
    ios_base::sync_with_stdio();
    cin.tie();
    cin >> n >> s;
    len = n/2;
    for(int i=0; i<n; i++) {
        if (posible(i)) {
            r2 = r1;
            if (i <= len)
                r1 = s.substr(len+1, len);
            else
                r1 = s.substr(0, len);
            if (r2.size() == len && r1 != r2) {
                unico = false;
                break;
            }
        }
    }
    if (r1.length() != len || (n&1) == 0)
        cout << "NOT POSSIBLE\n";
    else if (!unico)
        cout << "NOT UNIQUE\n";
    else
        cout << r1 << '\n';
    return 0;
}

Compilation message

friends.cpp: In function 'int main()':
friends.cpp:44:27: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   44 |             if (r2.size() == len && r1 != r2) {
      |                 ~~~~~~~~~~^~~~~~
friends.cpp:50:21: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   50 |     if (r1.length() != len || (n&1) == 0)
      |         ~~~~~~~~~~~~^~~~~~

Subtask #1
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 296 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 304 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 304 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 300 KB Output is correct
24 Correct 1 ms 300 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 300 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 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 1 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 312 KB Output is correct
36 Correct 0 ms 216 KB Output is correct
37 Correct 1 ms 300 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 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 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 224 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 1 ms 212 KB Output is correct
49 Correct 4 ms 212 KB Output is correct
50 Correct 4 ms 272 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 216 KB Output is correct
53 Correct 1 ms 220 KB Output is correct
54 Correct 1 ms 284 KB Output is correct

Subtask #2
0 / 65.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 1074 ms 6116 KB Time limit exceeded
2 Halted 0 ms 0 KB -