oj.uz

답안 #582948

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
582948 2022-06-24T15:50:07 Z Cyanmond Boarding Passes (BOI22_passes) C++17
5 / 100
 3 ms 480 KB 
#include <iostream>
#include <string>

using namespace std;

using i64 = long long int;

#define ALL(x) (x).begin(), (x).end()
#define REP(i, N) for (int i = 0; i < (N); ++i)
#define REP_3(i, l, r) for (int i = (l); i < (r); ++i)

void answer(const i64 x) {
    cout << x / 2;
    if (x % 2 == 1) cout << ".5" << endl;
}

int main() {
    string S;
    cin >> S;
    const int N = (int)S.size();
    i64 sum = 0;
    REP(i, N) {
        const int x = min(i, N - i - 1);
        sum += x;
    }
    answer(sum);
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 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 0 ms 212 KB Output is correct
6 Correct 2 ms 480 KB Output is correct
7 Correct 3 ms 468 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 3 ms 428 KB Output is correct

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 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 0 ms 212 KB Output is correct
6 Correct 2 ms 480 KB Output is correct
7 Correct 3 ms 468 KB Output is correct
8 Correct 3 ms 468 KB Output is correct
9 Correct 3 ms 428 KB Output is correct
10 Incorrect 1 ms 212 KB Output isn't correct
11 Halted 0 ms 0 KB -