Submission #205390

#	Time	Username	Problem	Language	Result	Execution time	Memory
205390		my99n	Vision Program (IOI19_vision)	C++14	12 / 100	15 ms	1272 KiB

vision

#include <bits/stdc++.h>
#include "vision.h"
using namespace std;
int h, w;
int order (int x, int y) { return x*w+y; }
// void print (vector<int> v) { for (auto x : v) cerr << x << ' '; cerr << endl;}

void construct_network(int H, int W, int K) {
	h=H; w=W;
	vector<int> firstor, secondor, _and;
	for (int i = 0; i < H+W-1; i++) {
		vector<int> v1, v2;
		for (int j = 0; j < min(i+1, W); j++) {
			if (!(i-j >= H or j >= W)) v1.push_back(order(i-j, j));
			if (!(i-j >= H or W-1-j >= W)) v2.push_back(order(i-j, W-1-j));
		}
		// cerr << "print1 "; print(v1);
		// cerr << "print2 "; print(v2);
		firstor.push_back(add_or(v1));
		secondor.push_back(add_or(v2));
	}
	for (int i = 0; i < firstor.size(); i++) {
		if (i+K >= firstor.size()) break;
		_and.push_back(add_and({firstor[i], firstor[i+K]}));
		_and.push_back(add_and({secondor[i], secondor[i+K]}));
	}
	int ans = add_or(_and);
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:22:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < firstor.size(); i++) {
                  ~~^~~~~~~~~~~~~~~~
vision.cpp:23:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (i+K >= firstor.size()) break;
       ~~~~^~~~~~~~~~~~~~~~~
vision.cpp:27:6: warning: unused variable 'ans' [-Wunused-variable]
  int ans = add_or(_and);
      ^~~

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