Submission #169945

#	Time	Username	Problem	Language	Result	Execution time	Memory
169945		nandonathaniel	Vision Program (IOI19_vision)	C++14	100 / 100	16 ms	1908 KiB

vision

#include "vision.h"
#include "bits/stdc++.h"
using namespace std;

vector<int> prefix(vector<int> v){
	vector<int> ret;
	ret.push_back(v[0]);
	for(int i=1;i<v.size();i++)ret.push_back(add_xor({ret[i-1],v[i]}));
	return ret;
}

vector<int> sum(vector<int> v,int x){
	vector<int> simpan;
	for(int i=0;i<9;i++){
		simpan.push_back(add_xor({v[i],x}));
		x=add_and({v[i],x});
	}
	return simpan;
}

vector<int> jumlah(vector<int> v,vector<int> u){
	vector<int> ret;
	ret.push_back(add_and({0,add_not(0)}));
	for(int i=1;i<=8;i++)ret.push_back(ret[0]);
	for(auto isi : v)ret=sum(ret,isi);
	for(auto isi : u)ret=sum(ret,isi);
	return ret;
}

vector<int> baris(int h,int w){
	vector<int> ret;
	for(int i=0;i<h;i++){
		vector<int> v;
		for(int j=0;j<w;j++)v.push_back(i*w+j);
		ret.push_back(add_xor(v));
	}
	return ret;
}

vector<int> kolom(int h,int w){
	vector<int> ret;
	for(int j=0;j<w;j++){
		vector<int> v;
		for(int i=0;i<h;i++)v.push_back(i*w+j);
		ret.push_back(add_xor(v));
	}
	return ret;
}

void sama(vector<int> v,int k){
	for(int i=0;i<9;i++){
		if(!((1<<i) & k))v[i]=add_not(v[i]);
	}
	add_and(v);
}

void construct_network(int H, int W, int K) {
	sama(jumlah(prefix(baris(H,W)),prefix(kolom(H,W))),K);
}

Compilation message (stderr)

vision.cpp: In function 'std::vector<int> prefix(std::vector<int>)':
vision.cpp:8:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1;i<v.size();i++)ret.push_back(add_xor({ret[i-1],v[i]}));
              ~^~~~~~~~~

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