Submission #159812

#	Time	Username	Problem	Language	Result	Execution time	Memory
159812		44442	Konj (COCI19_konj)	C++11	63 / 70	171 ms	65540 KiB

konj

#include <bits/stdc++.h>
using namespace std;
int n,ax[200004],ay[200004],bx[200004],by[200004],c,d,v[304][304],x,y,a,b,f[304][304],minn,maxx,MINN,MAXX,ox,oy,kx,ky;
deque<pair<int,int> >s[304][304];
deque<int>korx,kory;
pair<int,int>p,r;
int main (){
ios::sync_with_stdio(0);
     scanf("%d",&n);
     minn=504;
     MINN=504;
     for(int i=1;i<n+1;i++){
     	scanf("%d %d %d %d\n", &ax[i],&ay[i],&bx[i],&by[i]);
     	p=make_pair(ax[i],ay[i]);
     	r=make_pair(bx[i],by[i]);
     	s[ax[i]][ay[i]].push_back(r);
     	s[bx[i]][by[i]].push_back(p);
}
scanf("%d %d",&c,&d);
korx.push_back(c);
kory.push_back(d);
for(int i=1;i<n+1;i++){
ox=min(ax[i],bx[i]);
kx=max(ax[i],bx[i]);
oy=min(ay[i],by[i]);
ky=max(ay[i],by[i]);
if(ax[i]==bx[i]){
    if(ax[i]==c and (oy<d and d<ky)){
    korx.push_back(ax[i]);
    kory.push_back(ay[i]);
 }
}
else{
if(ay[i]==d and (ox<c and c<kx)){
korx.push_back(ax[i]);
kory.push_back(ay[i]);
 }
}
    }
while(!korx.empty()){
x=korx.front();
y=kory.front();
while(!s[x][y].empty()){
a=s[x][y].front().first;
b=s[x][y].front().second;
if(!v[a][b]){
    korx.push_back(a);
kory.push_back(b);
minn=min(minn,b);
maxx=max(maxx,b);
MINN=min(MINN,a);
MAXX=max(MAXX,a);
v[a][b]=1;
    }
    s[x][y].pop_front();
    }
korx.pop_front();
kory.pop_front();
}
for(int i=1;i<n+1;i++){
if(v[ax[i]][ay[i]]){
if(ay[i]==by[i]){
c=min(ax[i],bx[i]);
d=max(ax[i],bx[i]);
    for(int j=c;j<d+1;j++){
        f[j][ay[i]]=1;
                 } 
    }
    else{
    c=min(ay[i],by[i]);
    d=max(ay[i],by[i]);
    for(int j=c;j<d+1;j++){
    f[ax[i]][j]=1;
 }  
 
}
 }
}
 for(int i=maxx;i>minn-1;i--){
 	for(int j=MINN;j<MAXX+1;j++){
 	if(f[j][i]){
 	printf("#");
}
else{
printf(".");
}
  }
printf("\n");
 }
return 0;
}

Compilation message (stderr)

konj.cpp: In function 'int main()':
konj.cpp:10:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
      scanf("%d",&n);
      ~~~~~^~~~~~~~~
konj.cpp:14:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%d %d %d %d\n", &ax[i],&ay[i],&bx[i],&by[i]);
       ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
konj.cpp:20:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d %d",&c,&d);
 ~~~~~^~~~~~~~~~~~~~~

• Subtask 1: 63 / 70