| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 1057350 |
2024-08-13T17:47:10 Z |
mindiyak |
Paths (BOI18_paths) |
C++14 |
|
1876 ms |
1048580 KB |
#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
#include <bits/stdc++.h>
#include <string>
#include <iostream>
#include <cmath>
#include <numeric>
#include <stack>
#include <queue>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;
typedef pair<ld, ld> pd;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<vector<int>> vvi;
typedef vector<vector<pi>> vvpi;
typedef vector<ld> vd;
typedef vector<long long> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
#define FOR(i, a, b) for (int i = a; i < (b); i++)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b)-1; i >= a; i--)
#define F0Rd(i, a) for (int i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define uid(a, b) uniform_int_distribution<int>(a, b)(rng)
#define len(x) (int)(x).size()
#define mp make_pair
#define pb push_back
#define F first
#define nl endl
#define S second
#define lb lower_bound
#define ub upper_bound
#define aint(x) x.begin(), x.end()
#define raint(x) x.rbegin(), x.rend()
#define ins insert
const int M = 1e9+7;
void init(string name)
{
freopen((name + ".in").c_str(), "r", stdin);
freopen((name + ".out").c_str(), "w", stdout);
}
void fastIO()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
}
int n,m,k;
vvi paths(3e5+10,vi());
vi color(3e5+10);
ll ans = 0;
map <vi,vi> cnt;
void proc(vi perm){
vi arr,arr2;
int pos = 0;
FOR(i,0,n)arr2.pb(i);
while(pos < perm.size()){
arr.pb(perm[pos]);
if(cnt.count(arr)==0){
vi arr3;
if(pos == 0){
FOR(i,0,n){
if(color[i] == perm[pos]){
arr3.pb(i);
}
}
}else{
for(int a:arr2){
for(int b:paths[a]){
if(color[b] == perm[pos]){
// FOR(i,0,pos+1)cerr << perm[i] << " ";
// cerr << " | " << a << " " << b << " " << color[b] << endl;
arr3.pb(b);
}
}
}
}
cnt[arr] = arr3;
}
arr2 = cnt[arr];
pos ++;
}
}
void solve()
{
cin >> n >> m >> k;
FOR(i,0,n)cin >> color[i];
FOR(i,0,m){
int a,b;cin >> a >> b;
a--;b--;
paths[a].pb(b);
paths[b].pb(a);
}
vi perm;
FOR(i,1,k+1)perm.pb(i);
do {
proc(perm);
} while (next_permutation(perm.begin(), perm.end()));
// cerr << "****" << endl;
for(auto& [key, value]:cnt){
// for(int a:key)cerr << a << " ";
// cerr << " | ";
// for(int a:value)cerr << a << " ";
// cerr << endl;
if(key.size() > 1)ans += value.size();
}
cout << ans << endl;
}
int main()
{
fastIO();
// init("test");
int t = 1;
// cin >> t;
while (t--)
solve();
return 0;
}
Compilation message
paths.cpp: In function 'void proc(vi)':
paths.cpp:65:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
65 | while(pos < perm.size()){
| ~~~~^~~~~~~~~~~~~
paths.cpp: In function 'void solve()':
paths.cpp:112:15: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
112 | for(auto& [key, value]:cnt){
| ^
paths.cpp: In function 'void init(std::string)':
paths.cpp:44:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
44 | freopen((name + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
paths.cpp:45:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
45 | freopen((name + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
8536 KB |
Output is correct |
| 2 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 3 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 4 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 5 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 6 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 7 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 8 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 9 |
Correct |
3 ms |
8540 KB |
Output is correct |
| 10 |
Correct |
2 ms |
8540 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
273 ms |
94068 KB |
Output is correct |
| 2 |
Correct |
1258 ms |
504632 KB |
Output is correct |
| 3 |
Correct |
108 ms |
27944 KB |
Output is correct |
| 4 |
Correct |
51 ms |
18832 KB |
Output is correct |
| 5 |
Correct |
44 ms |
16720 KB |
Output is correct |
| 6 |
Runtime error |
1876 ms |
1048576 KB |
Execution killed with signal 9 |
| 7 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
8536 KB |
Output is correct |
| 2 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 3 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 4 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 5 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 6 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 7 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 8 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 9 |
Correct |
3 ms |
8540 KB |
Output is correct |
| 10 |
Correct |
2 ms |
8540 KB |
Output is correct |
| 11 |
Correct |
273 ms |
94068 KB |
Output is correct |
| 12 |
Correct |
1258 ms |
504632 KB |
Output is correct |
| 13 |
Correct |
108 ms |
27944 KB |
Output is correct |
| 14 |
Correct |
51 ms |
18832 KB |
Output is correct |
| 15 |
Correct |
44 ms |
16720 KB |
Output is correct |
| 16 |
Runtime error |
1876 ms |
1048576 KB |
Execution killed with signal 9 |
| 17 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
8540 KB |
Output is correct |
| 2 |
Runtime error |
1055 ms |
1048580 KB |
Execution killed with signal 9 |
| 3 |
Halted |
0 ms |
0 KB |
- |
