oj.uz

Submission #855991

# Submission time Handle Problem Language Result Execution time Memory
855991 2023-10-02T13:39:29 Z Cyanmond Sure Bet (CEOI17_sure) C++17
60 / 100
 31 ms 2044 KB 
#include <bits/stdc++.h>

using namespace std;

#define rep(i, l, r) for (int i = (l); i < (r); ++i)
#define per(i, l, r) for (int i = (r - 1); i >= l; --i)
#define ALL(x) (x).begin(), (x).end()

using i64 = long long;

i64 parse() {
    i64 ret = 0;
    string s;
    cin >> s;
    if (find(ALL(s), '.') == s.end()) s.push_back('.');
    while (s.end() - find(ALL(s), '.') <= 4) s += '0';
    for (const auto e : s) {
        if (std::isdigit(e)) {
            ret = 10 * ret + (e - '0');
        } else {
            continue;
        }
    }
    return ret;
}

void out(i64 v) {
    cout << v / 10000 << '.';
    i64 m = v % 10000;
    string s = to_string(m);
    while (s.size() < 4) s += '0';
    cout << s;
    cout << endl;
}

void main_() {
    int N;
    cin >> N;
    vector<i64> A(N), B(N);
    rep(i, 0, N) {
        A[i] = parse();
        B[i] = parse();
    }
    sort(ALL(A), greater());
    sort(ALL(B), greater());

    i64 sumA = 0, sumB = 0;
    int i = 0, j = 0;
    i64 ans = 0;
    while (i < N or j < N) {
        if (sumA < sumB) {
            if (i == N) break;
            sumA += A[i];
            ++i;
        } else {
            if (j == N) break;
            sumB += B[j];
            ++j;
        }
        ans = max(ans, min(sumA, sumB) - (i + j) * 10000ll);
    }
    out(ans);
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    main_();
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 600 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 600 KB Output is correct
17 Correct 24 ms 1880 KB Output is correct
18 Correct 31 ms 1884 KB Output is correct
19 Incorrect 25 ms 2044 KB Output isn't correct
20 Halted 0 ms 0 KB -