Submission #767768

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
767768	2023-06-27 07:05:54	PurpleCrayon	Council (JOI23_council)	C++17	100 / 100	713 ms	46388 KiB

council

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#include <bits/stdc++.h>
using namespace std;
 
#define sz(v) int(v.size())
#define ar array
typedef long long ll;
const int N = 3e5+10, MOD = 1e9+7;
const int M = 21;
int n, m, a[N], cnt[M];
// minimal number of things to turn off so that it becomes a subset of ~bad
ar<ar<int, 2>, 2> best[1 << M], sub[1 << M];
ar<ar<int, 2>, 2> add(ar<ar<int, 2>, 2> base, ar<int, 2> x) {
    for (ar<int, 2> y : base) if (y[1] == x[1]) return base;
    if (x < base[0]) {
        swap(base[0], base[1]);
        base[0] = x;
    } else if (x < base[1]) {
        base[1] = x;
    }
    return base;
}
ar<ar<int, 2>, 2> add(ar<ar<int, 2>, 2> base, ar<ar<int, 2>, 2> x) {
    return add(add(base, x[0]), x[1]);
}
 
 
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Compilation message (stderr)

council.cpp: In function 'void solve()':
council.cpp:48:62: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   48 |         for (int i = (1 << m) - 1; i >= 0; i--) if ((i >> j) & 1 ^ 1) {
      |                                                     ~~~~~~~~~^~~

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 6 / 6
• Subtask 4: 19 / 19
• Subtask 5: 15 / 15
• Subtask 6: 22 / 22
• Subtask 7: 22 / 22