Submission #426115

#	Time	Username	Problem	Language	Result	Execution time	Memory
426115		alishahali1382	Vision Program (IOI19_vision)	C++17	59 / 100	10 ms	1352 KiB

vision

#include "vision.h"
#include<bits/stdc++.h>
#pragma GCC optimize("O2")
using namespace std;

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
#define debug(x) {cerr<<#x<<"="<<x<<"\n";}
#define debug2(x, y) {cerr<<"{"<<#x<<", "<<#y<<"}={"<<x<<", "<<y<<"}\n";}
#define debugp(p) {cerr<<#p<<"={"<<p.first<<", "<<p.second<<"}\n";}
#define debugv(abcd) {cerr<<#abcd<<": ";for (auto dcba:abcd) cerr<<dcba<<", ";cerr<<"\n";}
#define pb push_back
#define SZ(x) ((int)x.size())
#define all(x) x.begin(), x.end()

const int inf=1000001000; // 1e9
const ll INF=10000000010000000; // 1e16
const int mod=1000000007;
const int MAXN=100010, LOG=18;

int n, m, k;
int D[LOG];

inline int get_id(int x, int y){ return x*m+y;}
int add_and(int x, int y){ return add_and({x, y});}
int add_or(int x, int y){ return add_or({x, y});}
int add_xor(int x, int y){ return add_xor({x, y});}

void Inc(int c){
	for (int i=0; i<LOG; i++){
		int carry=add_and(D[i], c);
		D[i]=add_xor(D[i], c);
		c=carry;
	}
}


void construct_network(int _n, int _m, int _k){
	n=_n;
	m=_m;
	k=_k;
	
	int zero=add_and(0, add_not(0));
	int one=add_not(zero);
	one=one;
	zero=zero;
	fill(D, D+LOG, zero);
	//fucking warnings

	vi X, Y;
	for (int i=0; i<n; i++){
		vi shit(m);
		for (int j=0; j<m; j++) shit[j]=get_id(i, j);
		if (i) shit.pb(X[i-1]);
		X.pb(add_xor(shit));
	}
	for (int j=0; j<m; j++){
		vi shit(n);
		for (int i=0; i<n; i++) shit[i]=get_id(i, j);
		if (j) shit.pb(Y[j-1]);
		Y.pb(add_xor(shit));
	}
	for (int x:X) Inc(x);
	for (int y:Y) Inc(y);
	vi shit;
	for (int i=0; i<LOG; i++){
		if (k&(1<<i)) shit.pb(add_xor(zero, D[i]));
		else shit.pb(add_xor(one, D[i]));
	}

	int ted=add_and(shit);
	debug(ted+1-n*m);
}

• Subtask 1: 10 / 10
• Subtask 2: 11 / 11
• Subtask 3: 11 / 11
• Subtask 4: 15 / 15
• Subtask 5: 12 / 12
• Subtask 6: 0 / 8
• Subtask 7: 0 / 14
• Subtask 8: 0 / 19