Submission #332624

#	Time	Username	Problem	Language	Result	Execution time	Memory
332624		nicholask	Vision Program (IOI19_vision)	C++14	Compilation error	0 ms	0 KiB

vision

#include "vision.h"
#include <bits/stdc++.h>
using namespace std;
void construct_network(int H,int W,int K){
	int cnt=0;
	map <pair <int,int>,bool> p;
	for (int i=0; i<H; i++){
		for (int j=0; j<W; j++){
			int xp=i-K,yp=0,dir=0;
			for (int xp=i,yp=j-K; xp!=i-K&&yp!=j; xp--,yp++){
				if (xp>=0&&xp<H&&yp>=0&&yp<W&&!p[{i*W+j,xp*W+yp}]&&!p[{xp*W+yp,i*W+j}]){
					add_or({i*W+j,xp*W+yp});
					cnt++;
					p[{i*W+j,xp*W+yp}]=1;
				}
			}
			for (int xp=i-K,yp=j; xp!=i&&yp!=j+K; xp++,yp++){
				if (xp>=0&&xp<H&&yp>=0&&yp<W&&!p[{i*W+j,xp*W+yp}]&&!p[{xp*W+yp,i*W+j}]){
					add_or({i*W+j,xp*W+yp});
					cnt++;
					p[{i*W+j,xp*W+yp}]=1;
				}
			}
			for (int xp=i,yp=j+K; xp!=i+K&&yp!=j; xp++,yp--){
				if (xp>=0&&xp<H&&yp>=0&&yp<W&&!p[{i*W+j,xp*W+yp}]&&!p[{xp*W+yp,i*W+j}]){
					add_or({i*W+j,xp*W+yp});
					cnt++;
					p[{i*W+j,xp*W+yp}]=1;
				}
			}
			for (int xp=i+K,yp=j; xp!=i&&yp!=j-K; xp--,yp--){
				if (xp>=0&&xp<H&&yp>=0&&yp<W&&!p[{i*W+j,xp*W+yp}]&&!p[{xp*W+yp,i*W+j}]){
					add_or({i*W+j,xp*W+yp};
					cnt++;
					p[{i*W+j,xp*W+yp}]=1;
				}
			}
		}
	}
	if (cnt==1) return;
	//cnt results stored in [h*w,h*w+cnt)
	vector <int> v;
	int curpr=0,cnt1=0;
	for (int i=0; i<cnt; i++){
		v.push_back(h*w+i);
		curpr++;
		if (i==cnt-1||curpr==10000){
			add_or(v);
			v.clear();
			cnt1++;
			curpr=0;
		}
	}
	if (cnt1==1) return;
	//cnt1 results stored in [h*w+cnt,h*w+cnt+cnt1)
	v.clear();
	for (int i=h*w+cnt; i<h*w+cnt+cnt1; i++){
		v.push_back(i);
	}
	add_or(v);
	
}

Compilation message (stderr)

vision.cpp: In function 'void construct_network(int, int, int)':
vision.cpp:33:28: error: expected ')' before ';' token
   33 |      add_or({i*W+j,xp*W+yp};
      |            ~               ^
      |                            )
vision.cpp:9:8: warning: unused variable 'xp' [-Wunused-variable]
    9 |    int xp=i-K,yp=0,dir=0;
      |        ^~
vision.cpp:9:15: warning: unused variable 'yp' [-Wunused-variable]
    9 |    int xp=i-K,yp=0,dir=0;
      |               ^~
vision.cpp:9:20: warning: unused variable 'dir' [-Wunused-variable]
    9 |    int xp=i-K,yp=0,dir=0;
      |                    ^~~
vision.cpp:45:15: error: 'h' was not declared in this scope
   45 |   v.push_back(h*w+i);
      |               ^
vision.cpp:45:17: error: 'w' was not declared in this scope
   45 |   v.push_back(h*w+i);
      |                 ^
vision.cpp:57:13: error: 'h' was not declared in this scope
   57 |  for (int i=h*w+cnt; i<h*w+cnt+cnt1; i++){
      |             ^
vision.cpp:57:15: error: 'w' was not declared in this scope
   57 |  for (int i=h*w+cnt; i<h*w+cnt+cnt1; i++){
      |               ^