제출 #375158

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
375158		Kevin_Zhang_TW	Naan (JOI19_naan)	C++17	0 / 100	26 ms	748 KiB

naan

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) { cerr << a << ' ', kout(b...); }
template<class T> void debug(T l, T r) { while (l != r) cerr << *l << " \n"[next(l) == r], ++l; }
#else
#define DE(...) 0
#define debug(...) 0
#endif 
const int MAX_N = 2005;
const ll sc = 1ll * 2 * 3 * 5 * 7 * 11 * 13 * 17 * 19 * 23 ;

int n, L;
ll v[MAX_N][MAX_N];
ll cdiv(ll a, ll b) { return (a + b -1) / b; }

int32_t main() {
	DE(sc);
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> n >> L;
	for (int i = 0;i < n;++i)
		for (int j = 0;j < L;++j)
			cin >> v[i][j];

	vector<int> od(n); iota(AI(od), 0);

	random_device rd;
	mt19937 gen(rd());

	int holan = 5000;
	do {
		// gen 
		bool ok = true;
		vector<ll> sep {0};
		debug(AI(od));

		const ll &dn = sc;
		for (int x : od) {
			ll sum = 0;
			for (int j = 0;j < L;++j)
				sum += v[x][j] * sc;

			ll up = sep.back();

			ll atid = up / dn, lft = sc - up % dn;

			DE(x, atid, lft, dn);

			ll need = (sum + n-1) / n;

			DE(x, need);

			if (lft * v[x][atid] > need) {
			//if (frac(lft, dn) * v[x][atid] > need) {
				
				ll len = cdiv(need, v[x][atid]);
				//frac len = need / v[x][atid];
				sep.pb(len + sep.back());
				continue;
			}
			//need -= frac(lft, dn) * v[x][atid];
			need -= v[x][atid] * lft;
			++atid;
			while (atid < L) {
				if (need < v[x][atid] * sc) break;
				need -= v[x][atid++] * sc;
			}
			//if (atid == L && need > frac(0)) {
			if (atid == L && need > 0) {
				ok = false;
				break;
			}
			sep.pb(atid * sc + cdiv(need, v[x][atid]));
			DE(sep.back());
		}
		if (!ok) continue;
		for (int i = 1;i < n;++i)
			cout << sep[i] << ' ' << sc << '\n';
		for (int i = 0;i < n;++i)
			cout << od[i]+1 << " \n"[i+1==n];
		return 0;
	} while (shuffle(AI(od), gen), holan--);

	cout << -1 << '\n';
}

컴파일 시 표준 에러 (stderr) 메시지

naan.cpp: In function 'int32_t main()':
naan.cpp:14:17: warning: statement has no effect [-Wunused-value]
   14 | #define DE(...) 0
      |                 ^
naan.cpp:25:2: note: in expansion of macro 'DE'
   25 |  DE(sc);
      |  ^~
naan.cpp:15:20: warning: statement has no effect [-Wunused-value]
   15 | #define debug(...) 0
      |                    ^
naan.cpp:42:3: note: in expansion of macro 'debug'
   42 |   debug(AI(od));
      |   ^~~~~
naan.cpp:14:17: warning: statement has no effect [-Wunused-value]
   14 | #define DE(...) 0
      |                 ^
naan.cpp:54:4: note: in expansion of macro 'DE'
   54 |    DE(x, atid, lft, dn);
      |    ^~
naan.cpp:14:17: warning: statement has no effect [-Wunused-value]
   14 | #define DE(...) 0
      |                 ^
naan.cpp:58:4: note: in expansion of macro 'DE'
   58 |    DE(x, need);
      |    ^~
naan.cpp:14:17: warning: statement has no effect [-Wunused-value]
   14 | #define DE(...) 0
      |                 ^
naan.cpp:81:4: note: in expansion of macro 'DE'
   81 |    DE(sep.back());
      |    ^~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 24
• Subtask 3: 0 / 71