Submission #572021

#	Time	Username	Problem	Language	Result	Execution time	Memory
572021		8e7	Broken Device 2 (JOI22_device2)	C++17	0 / 100	1 ms	612 KiB

Anna

//Challenge: Accepted
#include "Anna.h"
#include <bits/stdc++.h>
using namespace std;


namespace {
#ifdef zisk
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ...b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 2005
#define pii pair<int, int>
#define ff first
#define ss second
	int sum[maxn];
}

int Declare() {
	for (int i = 2;i < maxn;i++) {
		sum[i] = sum[i-1] + 4*(i * 2 - 3);
	}
	return 2000;
}

std::pair<std::vector<int>, std::vector<int> > Anna(long long A) {
	int len = 0;	
	while (A > sum[len+1]) len++;
	vector<int> X(len+1, 0);
	vector<int> Y(len+1, 0);
	A -= sum[len];
	A--;
	int p = A / (2*(len-1)+1);
	if (p & 1) X[0] = 1, Y[0] = 1;
	if (p & 2) X[len] = 1, Y[len] = 1;
	A %= 2*len - 1;
	debug(A, p);
		
	for (int i = 1;i < min(len, int(A+1));i++) X[i] = 1;
	for (int i = 1;i < min(len, int(A - (len-1)+1));i++) Y[i] = 1;
	pary(X.begin(), X.end());
	pary(Y.begin(), Y.end());
	return make_pair(X, Y);
}

Bruno

//Challenge: Accepted
#include "Bruno.h"
#include <bits/stdc++.h>
using namespace std;
#ifdef zisk
void debug(){cout << endl;}
template<class T, class ... U> void debug(T a, U ...b){cout << a << " ", debug(b...);}
template<class T> void pary(T l, T r) {
	while (l != r) cout << *l << " ", l++;
	cout << endl;
}
#else
#define debug(...) 0
#define pary(...) 0
#endif
#define ll long long
#define maxn 2005
#define pii pair<int, int>
#define ff first
#define ss second
namespace {

	bool ini = 0;
	int sum[maxn];

}

long long Bruno(std::vector<int> u) {
	if (!ini) {
		ini = 1;
		for (int i = 2;i < maxn;i++) {
			sum[i] = sum[i-1] + 4*(i * 2 - 3);
		}
	}
	int len = u.size() / 2;	
	int ret = sum[len-1]+1;
	if (u[0]) ret += (len-3);	
	if (u.back()) ret += 2*(len-1)-2;	
	for (int i = 0;i < 2*len;i++) {
		if (u[i] == 1) ret++;
	}
	debug(ret);
	return ret;
}

Compilation message (stderr)

Anna.cpp: In function 'std::pair<std::vector<int>, std::vector<int> > Anna(long long int)':
Anna.cpp:16:20: warning: statement has no effect [-Wunused-value]
   16 | #define debug(...) 0
      |                    ^
Anna.cpp:45:2: note: in expansion of macro 'debug'
   45 |  debug(A, p);
      |  ^~~~~
Anna.cpp:17:19: warning: statement has no effect [-Wunused-value]
   17 | #define pary(...) 0
      |                   ^
Anna.cpp:49:2: note: in expansion of macro 'pary'
   49 |  pary(X.begin(), X.end());
      |  ^~~~
Anna.cpp:17:19: warning: statement has no effect [-Wunused-value]
   17 | #define pary(...) 0
      |                   ^
Anna.cpp:50:2: note: in expansion of macro 'pary'
   50 |  pary(Y.begin(), Y.end());
      |  ^~~~

Bruno.cpp: In function 'long long int Bruno(std::vector<int>)':
Bruno.cpp:13:20: warning: statement has no effect [-Wunused-value]
   13 | #define debug(...) 0
      |                    ^
Bruno.cpp:42:2: note: in expansion of macro 'debug'
   42 |  debug(ret);
      |  ^~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 5
• Subtask 3: 0 / 3
• Subtask 4: 0 / 12
• Subtask 5: 0 / 15
• Subtask 6: 0 / 60