#include<bits/stdc++.h>
#include<chrono>
#include<random>
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef double db;
ll gcd(ll a , ll b) {return b ? gcd(b , a % b) : a ;} // greatest common divisor (PGCD)
ll lcm(ll a , ll b) {return (a * b) / gcd(a , b);} // least common multiple (PPCM)
int dx[8] = {1, 0, 0, -1, 1, 1, -1, -1};
int dy[8] = {0, 1, -1, 0, 1, -1, -1, 1};
#define endl "\n"
#define ss second
#define ff first
#define all(x) (x).begin() , (x).end()
#define pb push_back
#define vi vector<int>
#define vii vector<pair<int,int>>
#define vl vector<ll>
#define vll vector<pair<ll,ll>>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pdd pair<double,double>
#define vdd vector<pdd>
#define speed ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define pbds tree<pii, null_type, less<pii>,rb_tree_tag, tree_order_statistics_node_update>
using namespace __gnu_pbds;
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
////////////////////Only Clear Code//////////////////////////
void usaco_problem(){
freopen("milkvisits.in", "r", stdin);
freopen("milkvisits.out", "w", stdout);
}
void init(){
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif // ONLINE_JUDGE
}
const int mx = 3e5+5;
const int LOG = 22;
const int inf = 1e9;
const ll mod = 1e9+7;
const int sq = 320;
#include "vision.h"
int n, m, k;
/*
int ind = 0;
int last = 0;
int arr[mx];
int add_not(int x){
int y = !x;
last = y;
arr[ind] = y;
return ind++;
}
int add_and(vi v){
int y = 1;
for(int i : v){
y &= arr[i];
}
last = y;
arr[ind] = y;
return ind++;
}
int add_or(vi v){
int y = 0;
for(int i : v){
y |= arr[i];
}
last = y;
arr[ind] = y;
return ind++;
}
int add_xor(vi v){
int y = 0;
for(int i : v){
y ^= arr[i];
}
last = y;
arr[ind] = y;
return ind++;
}
*/
void construct_network(int H, int W, int K) {
n=H,m=W,k=K;
int cur = n*m;
vi ans;
pbds s;
for(int i = 0; i < n;i++){
for(int j = 0;j < m;j++){
s.insert({i, j});
}
}
int cnt = 0;
while(cnt <= 9997){
if(s.empty())break;
int k = rng() % s.size();
pii p = *s.find_by_order(k);
int i = p.ff, j = p.ss;
//cout << i << " " << j << endl;
s.erase({i, j});
vi v;
for(int addx = 0;addx <= k;addx++){
int addy = k-addx;
int nx = i + addx, ny = j + addy;
if(nx < n && ny < m){
v.pb(nx*m+ny);
}
addy = -k+addx;
nx = i + addx, ny = j + addy;
if(nx < n && ny >= 0){
v.pb(nx*m+ny);
}
}
if(!v.empty()){
int x = add_or(v);
cnt++;
int y = add_and({x, i*m+j});
cnt++;
ans.pb(y);
}
}
int x = add_or(ans);
}
/*
int32_t main(){
init();
speed;
arr[0] = 1;
arr[5] = 1;
ind = 3*2;
construct_network(2, 3, 1);
cout << last << endl;
}*/
/*
NEVER GIVE UP!
DOING SMTHNG IS BETTER THAN DOING NTHNG!!!
Your Guide when stuck:
- Continue keyword only after reading the whole input
- Don't use memset with testcases
- Check for corner cases(n=1, n=0)
- Check where you declare n(Be careful of declaring it globally and in main)
*/
Compilation message
vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:101:9: warning: unused variable 'cur' [-Wunused-variable]
101 | int cur = n*m;
| ^~~
vision.cpp:138:9: warning: unused variable 'x' [-Wunused-variable]
138 | int x = add_or(ans);
| ^
vision.cpp: In function 'void usaco_problem()':
vision.cpp:36:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
36 | freopen("milkvisits.in", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vision.cpp:37:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
37 | freopen("milkvisits.out", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vision.cpp: In function 'void init()':
vision.cpp:43:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
43 | freopen("input.txt", "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
vision.cpp:45:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
45 | freopen("output.txt", "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
on inputs (0, 0), (0, 2), expected 0, but computed 1 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
on inputs (0, 0), (0, 2), expected 0, but computed 1 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
on inputs (0, 0), (0, 2), expected 0, but computed 1 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
on inputs (0, 0), (0, 2), expected 0, but computed 1 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
on inputs (0, 0), (0, 2), expected 0, but computed 1 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
on inputs (0, 0), (1, 1), expected 0, but computed 1 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
323 ms |
4176 KB |
on inputs (80, 199), (81, 199), expected 1, but computed 0 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
on inputs (0, 0), (0, 2), expected 0, but computed 1 |
| 2 |
Halted |
0 ms |
0 KB |
- |
