| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 144551 |
2019-08-17T06:57:10 Z |
arayi |
Pick (COI18_pick) |
C++17 |
|
2 ms |
376 KB |
#include <iostream>
#include <string>
#include <queue>
#include <stack>
#include <algorithm>
#include <math.h>
#include <vector>
#include <cstring>
#include <ctime>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <iomanip>
#include <ctime>
#define fr first
#define sc second
#define MP make_pair
#define PB push_back
#define fastio ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
#define lli long long int
#define y1 arayikhalatyan
using namespace std;
lli gcd(lli a, lli b) {
if (b == 0)
return a;
return gcd(b, a % b);
}
lli cg(lli n) {
return n ^ (n >> 1);
}
lli SUM(lli a)
{
return (a * (a + 1) / 2);
}
bool CAN(int x, int y, int n, int m)
{
if (x >= 0 && y >= 0 && x < n && y < m)
{
return true;
}
return false;
}
double her(double x1, double y1, double x2, double y2)
{
return sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
}
string strsum(string a, string b)
{
int p = 0;
string c;
reverse(a.begin(), a.end());
reverse(b.begin(), b.end());
if (b.length() < a.length())
{
for (int i = b.length(); i < a.length(); i++)
{
b += "0";
}
}
else
{
for (int i = a.length(); i < b.length(); i++)
{
a += "0";
}
}
a += "0", b += "0";
for (int i = 0; i < a.length(); i++)
{
c += (a[i] - '0' + b[i] - '0' + p) % 10 + '0';
p = (a[i] + b[i] - '0' - '0' + p) / 10;
}
if (c[c.length() - 1] == '0') c.erase(c.length() - 1, 1);
reverse(c.begin(), c.end());
return c;
}
string strmin(string a, string b)
{
if (a.length() > b.length()) return b;
if (b.length() > a.length()) return a;
for (int i = 0; i < a.length(); i++)
{
if (a[i] > b[i]) return b;
if (b[i] > a[i]) return a;
}
return a;
}
char vow[] = { 'a', 'e', 'i', 'o', 'u' };
int dx[] = { 1, -1, 0, 0 };
int dy[] = { 0, 0, 1, -1 };
const int N = 1e6 + 30;
const lli mod = 998244353;
int a, b, c, d;
int x, y;
set < pair<int, int> > s;
set < pair<int, int> > ::iterator i1;
void rec(int a, int b, int c, int d)
{
//cout << a << " " << b << " " << c << " " << d << "-" << x << " " << y << endl;
if (!a && !b && !c && !d)
{
if (x == 0 && y == 0)
{
for (i1 = s.begin(); i1 != s.end(); ++i1)
{
cout << (*i1).fr << " " << (*i1).sc << endl;
}
exit(0);
}
return;
}
if (a)
{
if (s.find(MP(x, y + 1)) == s.end())
{
s.insert(MP(x, y + 1));
y++;
rec(a - 1, b, c, d);
y--;
s.erase(s.find(MP(x, y + 1)));
}
if (s.find(MP(x, y - 1)) == s.end())
{
s.insert(MP(x, y - 1));
y--;
rec(a - 1, b, c, d);
y++;
s.erase(s.find(MP(x, y - 1)));
}
}
if (b)
{
if (s.find(MP(x + 1, y)) == s.end())
{
s.insert(MP(x + 1, y));
x++;
rec(a, b - 1, c, d);
x--;
s.erase(s.find(MP(x + 1, y)));
}
if (s.find(MP(x - 1, y)) == s.end())
{
s.insert(MP(x - 1, y));
x--;
rec(a, b - 1, c, d);
x++;
s.erase(s.find(MP(x - 1, y)));
}
}
if (c)
{
if (s.find(MP(x + 1, y + 1)) == s.end())
{
s.insert(MP(x + 1, y + 1));
y++;
x++;
rec(a, b, c - 1, d);
y--;
x--;
s.erase(s.find(MP(x + 1, y + 1)));
}
if (s.find(MP(x - 1, y - 1)) == s.end())
{
s.insert(MP(x - 1, y - 1));
y--;
x--;
rec(a, b, c - 1, d);
y++;
x++;
s.erase(s.find(MP(x - 1, y - 1)));
}
}
if (d)
{
if (s.find(MP(x + 1, y - 1)) == s.end())
{
s.insert(MP(x + 1, y - 1));
y--;
x++;
rec(a, b, c, d - 1);
y++;
x--;
s.erase(s.find(MP(x + 1, y - 1)));
}
if (s.find(MP(x - 1, y + 1)) == s.end())
{
s.insert(MP(x - 1, y + 1));
y++;
x--;
rec(a, b, c, d - 1);
y--;
x++;
s.erase(s.find(MP(x - 1, y + 1)));
}
}
}
int main()
{
fastio;
cin >> a >> b >> c >> d;
swap(a, b);
rec(a, b, c, d);
return 0;
}
Compilation message
pick.cpp: In function 'std::__cxx11::string strsum(std::__cxx11::string, std::__cxx11::string)':
pick.cpp:57:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = b.length(); i < a.length(); i++)
~~^~~~~~~~~~~~
pick.cpp:64:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = a.length(); i < b.length(); i++)
~~^~~~~~~~~~~~
pick.cpp:71:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < a.length(); i++)
~~^~~~~~~~~~~~
pick.cpp: In function 'std::__cxx11::string strmin(std::__cxx11::string, std::__cxx11::string)':
pick.cpp:84:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < a.length(); i++)
~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
number of sticks is not consistent with the given input |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
256 KB |
not a valid stick |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
not a valid stick |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
not a valid stick |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
not a valid stick |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
not a valid stick |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
not a valid stick |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
number of sticks is not consistent with the given input |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
number of sticks is not consistent with the given input |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
2 ms |
376 KB |
number of sticks is not consistent with the given input |
| 2 |
Halted |
0 ms |
0 KB |
- |
