| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 144536 |
2019-08-17T05:38:33 Z |
arayi |
Izlet (COI19_izlet) |
C++17 |
|
843 ms |
86820 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 n, t;
int a[3010][3010], pat[3010], sm, p[3010];
vector <int> g[3010], g1[3010], g2[3010];
int get_parent(int x)
{
if (p[x] == x) return x;
return p[x] = get_parent(p[x]);
}
bool col[3010], col2[3010];
int par[3010];
void maq()
{
for (int i = 0; i < n; i++)
{
col2[i] = false;
}
}
void dfs(int v)
{
col[v] = true;
for (auto t : g1[v])
{
if (!col[t] && get_parent(v) != get_parent(t))
{
p[get_parent(t)] = v;
g[v].PB(t);
g[t].PB(v);
dfs(t);
}
}
}
int sk;
void dfs2(int k, int v)
{
col2[v] = true;
if (pat[k]) return;
if (a[sk][v] == a[k][v])
{
//cout << a[sk][v] << " " << a[k][v] << endl;
pat[k] = pat[v];
for(auto p1 : g2[v])
{
pat[p1] = pat[v];
}
return;
}
for(auto p : g[v])
{
if (pat[p] && !col2[p])
{
dfs2(k, p);
}
}
}
void dfs1(int v)
{
for (auto p : g[v])
{
if (!pat[p])
{
//cout << p << " ";
sk = v;
dfs2(p, v);
maq();
if (!pat[p]) pat[p] = sm++;
//cout << pat[p] << endl;
dfs1(p);
}
}
}
bool col1[3010];
void dfs3(int v)
{
col1[v] = true;
for (auto p : g2[v]) cout << v + 1 << " " << p + 1 << endl;
for (auto p : g[v])
{
if (!col1[p])
{
cout << v + 1 << " " << p + 1 << endl;
dfs3(p);
}
}
//col1[v] = false;
}
int main()
{
fastio;
//freopen("c.in", "r", stdin);
cin >> t >> n;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
cin >> a[i][j];
}
}
for (int i = 0; i < n; i++) p[i] = i;
for (int i = 0; i < n; i++)
for (int j = i + 1; j < n; j++)
if (a[i][j] == 1)
{
p[j] = i;
g2[i].PB(j);
g2[j].PB(i);
}
pat[0] = 1;
sm = 2;
for (int i = 0; i < g1[0].size(); i++) pat[g1[0][i]] = 1;
for (int i = 0; i < n; i++)
{
for (int j = i + 1; j < n; j++)
{
if (a[i][j] == 2)
{
g1[i].PB(j);
g1[j].PB(i);
}
}
}
dfs(0);
//dfs3(0);
dfs1(0);
for (int i = 0; i < n; i++)
{
cout << pat[i] << " ";
}
cout << endl;
dfs3(0);
return 0;
}
Compilation message
izlet.cpp: In function 'std::__cxx11::string strsum(std::__cxx11::string, std::__cxx11::string)':
izlet.cpp:57:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = b.length(); i < a.length(); i++)
~~^~~~~~~~~~~~
izlet.cpp:64:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = a.length(); i < b.length(); i++)
~~^~~~~~~~~~~~
izlet.cpp:71:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < a.length(); i++)
~~^~~~~~~~~~~~
izlet.cpp: In function 'std::__cxx11::string strmin(std::__cxx11::string, std::__cxx11::string)':
izlet.cpp:84:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < a.length(); i++)
~~^~~~~~~~~~~~
izlet.cpp: In function 'int main()':
izlet.cpp:210:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < g1[0].size(); i++) pat[g1[0][i]] = 1;
~~^~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
760 KB |
Output is correct |
| 2 |
Correct |
794 ms |
84880 KB |
Output is correct |
| 3 |
Correct |
843 ms |
85032 KB |
Output is correct |
| 4 |
Correct |
828 ms |
86448 KB |
Output is correct |
| 5 |
Correct |
811 ms |
86820 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
631 ms |
37144 KB |
Integer 0 violates the range [1, 3000] |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
760 KB |
Output is correct |
| 2 |
Correct |
794 ms |
84880 KB |
Output is correct |
| 3 |
Correct |
843 ms |
85032 KB |
Output is correct |
| 4 |
Correct |
828 ms |
86448 KB |
Output is correct |
| 5 |
Correct |
811 ms |
86820 KB |
Output is correct |
| 6 |
Incorrect |
631 ms |
37144 KB |
Integer 0 violates the range [1, 3000] |
| 7 |
Halted |
0 ms |
0 KB |
- |
