oj.uz

Submission #337401

# Submission time Handle Problem Language Result Execution time Memory
337401 2020-12-20T14:35:10 Z ryangohca Naan (JOI19_naan) C++17
29 / 100
 257 ms 130028 KB 
#include <bits/stdc++.h>
#define int long long
#define pii pair<int, int>
using namespace std;
struct fraction {
    __int128_t n, d;
    fraction(__int128_t _n, __int128_t _d) {
        n = _n, d = _d;
        __int128_t g = std::__gcd(n, d); n /= g, d /= g;
        if (d < 0) n *= -1, d *= -1;
    }
    fraction(__int128_t _n) : fraction(_n, 1) {}
    fraction() : fraction(0) {}
    friend bool operator < (const fraction& l, const fraction& r) { return l.n * r.d < r.n * l.d; }
    friend bool operator <= (const fraction& l, const fraction& r) { return l.n * r.d <= r.n * l.d; }
    friend bool operator > (const fraction& l, const fraction& r) { return l.n * r.d > r.n * l.d; }
    friend bool operator >= (const fraction& l, const fraction& r) { return l.n * r.d >= r.n * l.d; }
    friend bool operator == (const fraction& l, const fraction& r) { return l.n == r.n && l.d == r.d; }
    friend bool operator != (const fraction& l, const fraction& r) { return !(l == r); }
    fraction operator - () const { return fraction(-n, d); }
    friend fraction operator + (const fraction& l, const fraction& r) { return fraction(l.n * r.d + r.n * l.d, l.d * r.d); }
    friend fraction operator - (const fraction& l, const fraction& r) { return fraction(l.n * r.d - r.n * l.d, l.d * r.d); }
    friend fraction operator * (const fraction& l, const fraction& r) { return fraction(l.n * r.n, l.d * r.d); }
    friend fraction operator * (const fraction& l, int r) { return l * fraction(r, 1); }
    friend fraction operator * (int r, const fraction& l) { return l * r; }
    friend fraction operator / (const fraction& l, const fraction& r) { return l * fraction(r.d, r.n); }
    friend fraction operator / (const fraction& l, const int& r) { return l / fraction(r, 1); }
    friend fraction operator / (const int& l, const fraction& r) { return fraction(l, 1) / r; }
    friend fraction& operator += (fraction& l, const fraction& r) { return l = l + r; }
    friend fraction& operator -= (fraction& l, const fraction& r) { return l = l - r; }
    template <class T> friend fraction& operator *= (fraction& l, const T& r) { return l = l * r; }
    template <class T> friend fraction& operator /= (fraction& l, const T& r) { return l = l / r; }
};
 
int nums[2000][2000];
fraction cuts[2000][2000];
vector<fraction> confirmed;
vector<int> order;
bool ordered[2000];
inline int read() {
    int x = 0;
    char ch = getchar_unlocked();
    while (ch < '0' || ch > '9') ch = getchar_unlocked();
    while (ch >= '0' && ch <= '9') {
		x = (x << 3) + (x << 1) + (ch & 15);
		ch = getchar_unlocked();
	}
	return x;
}
main(){
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n = read(), l = read();
    fraction zero = fraction(0, 1), one = fraction(1, 1);
    for (int i = 0; i < n; i++){
        fraction need;
        for (int j = 0; j < l; j++) {
            nums[i][j] = read();
            need += fraction(nums[i][j], 1);
        }
        need /= fraction(n, 1);
        fraction curr, prevleft;
        int idx = 0;
        for (int j = 1; j < n; j++){
            while (need > curr){
                fraction willtake = (one - prevleft) * fraction(nums[i][idx], 1);
                if (curr + willtake <= need){
                    curr += willtake;
                    idx++;
                    prevleft = zero;
                } else {
                    prevleft = (need - curr) / fraction(nums[i][idx], 1);
                    curr = need;
                    break;
                }
            }
            cuts[i][j] = fraction(idx, 1) + prevleft;
            curr = fraction(0, 1);
        }
    }
    for (int i = 1; i < n; i++){ // cut i
        pair<fraction, int> giveCut = {fraction(1e9, 1), -1};
        for (int j = 0; j < n; j++){ // person j
            if (!ordered[j]) {
                pair<fraction, int> other = {cuts[j][i], j};
                giveCut = min(giveCut, other);
            }
        }
        ordered[giveCut.second] = true;
        confirmed.push_back(giveCut.first);
        order.push_back(giveCut.second);
    }
    for (int i = 0; i < n; i++){
        if (!ordered[i]) order.push_back(i);
    }
    for (fraction i : confirmed){
        cout << (int)i.n << ' ' << (int)i.d << '\n';
    }
    for (auto i : order) cout << i + 1 << ' ';
    cout << '\n';
}

Compilation message

naan.cpp:50:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   50 | main(){
      |      ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 125548 KB Output is correct
2 Correct 64 ms 125548 KB Output is correct
3 Correct 80 ms 125600 KB Output is correct
4 Correct 65 ms 125676 KB Output is correct
5 Correct 65 ms 125676 KB Output is correct
6 Correct 66 ms 125548 KB Output is correct
7 Correct 65 ms 125548 KB Output is correct
8 Correct 65 ms 125676 KB Output is correct
9 Correct 66 ms 125548 KB Output is correct
10 Correct 65 ms 125676 KB Output is correct
11 Correct 66 ms 125676 KB Output is correct
12 Correct 65 ms 125676 KB Output is correct
13 Correct 66 ms 125684 KB Output is correct
14 Correct 64 ms 125676 KB Output is correct
15 Correct 65 ms 125696 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 68 ms 125676 KB Output is correct
2 Correct 65 ms 125700 KB Output is correct
3 Correct 66 ms 125676 KB Output is correct
4 Correct 65 ms 125676 KB Output is correct
5 Correct 65 ms 125676 KB Output is correct
6 Correct 65 ms 125676 KB Output is correct
7 Correct 64 ms 125548 KB Output is correct
8 Correct 64 ms 125676 KB Output is correct
9 Correct 66 ms 125676 KB Output is correct
10 Correct 65 ms 125716 KB Output is correct
11 Correct 66 ms 125676 KB Output is correct
12 Correct 64 ms 125548 KB Output is correct
13 Correct 65 ms 125676 KB Output is correct
14 Correct 65 ms 125676 KB Output is correct
15 Correct 65 ms 125676 KB Output is correct
16 Correct 65 ms 125676 KB Output is correct
17 Correct 69 ms 125676 KB Output is correct
18 Correct 65 ms 125804 KB Output is correct
19 Correct 66 ms 125804 KB Output is correct
20 Correct 66 ms 125676 KB Output is correct
21 Correct 65 ms 125696 KB Output is correct
22 Correct 66 ms 125676 KB Output is correct
23 Correct 65 ms 125548 KB Output is correct
24 Correct 65 ms 125676 KB Output is correct
25 Correct 65 ms 125676 KB Output is correct
26 Correct 65 ms 125676 KB Output is correct
27 Correct 66 ms 125676 KB Output is correct

Subtask #3
0 / 71.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 125548 KB Output is correct
2 Correct 64 ms 125548 KB Output is correct
3 Correct 80 ms 125600 KB Output is correct
4 Correct 65 ms 125676 KB Output is correct
5 Correct 65 ms 125676 KB Output is correct
6 Correct 66 ms 125548 KB Output is correct
7 Correct 65 ms 125548 KB Output is correct
8 Correct 65 ms 125676 KB Output is correct
9 Correct 66 ms 125548 KB Output is correct
10 Correct 65 ms 125676 KB Output is correct
11 Correct 66 ms 125676 KB Output is correct
12 Correct 65 ms 125676 KB Output is correct
13 Correct 66 ms 125684 KB Output is correct
14 Correct 64 ms 125676 KB Output is correct
15 Correct 65 ms 125696 KB Output is correct
16 Correct 68 ms 125676 KB Output is correct
17 Correct 65 ms 125700 KB Output is correct
18 Correct 66 ms 125676 KB Output is correct
19 Correct 65 ms 125676 KB Output is correct
20 Correct 65 ms 125676 KB Output is correct
21 Correct 65 ms 125676 KB Output is correct
22 Correct 64 ms 125548 KB Output is correct
23 Correct 64 ms 125676 KB Output is correct
24 Correct 66 ms 125676 KB Output is correct
25 Correct 65 ms 125716 KB Output is correct
26 Correct 66 ms 125676 KB Output is correct
27 Correct 64 ms 125548 KB Output is correct
28 Correct 65 ms 125676 KB Output is correct
29 Correct 65 ms 125676 KB Output is correct
30 Correct 65 ms 125676 KB Output is correct
31 Correct 65 ms 125676 KB Output is correct
32 Correct 69 ms 125676 KB Output is correct
33 Correct 65 ms 125804 KB Output is correct
34 Correct 66 ms 125804 KB Output is correct
35 Correct 66 ms 125676 KB Output is correct
36 Correct 65 ms 125696 KB Output is correct
37 Correct 66 ms 125676 KB Output is correct
38 Correct 65 ms 125548 KB Output is correct
39 Correct 65 ms 125676 KB Output is correct
40 Correct 65 ms 125676 KB Output is correct
41 Correct 65 ms 125676 KB Output is correct
42 Correct 66 ms 125676 KB Output is correct
43 Incorrect 257 ms 130028 KB Not a fair distribution.
44 Halted 0 ms 0 KB -