| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 69162 |
2018-08-20T08:27:03 Z |
MANcity |
Park (BOI16_park) |
C++14 |
|
2500 ms |
16120 KB |
///GAGO_O
#include<iostream>
#include<cstdio>
#include<fstream>
#include<algorithm>
#include<cmath>
#include<map>
#include<queue>
#include<set>
#include<stack>
#include<string>
#include<cstring>
#include<vector>
using namespace std;
#define for1(i,n) for(int i=1;i<=(int)n;i++)
#define for0(i,n) for(int i=0;i<=(int)n;i++)
#define forn(i,n) for(int i=n;i>=1;i--)
#define fo(i,x,y) for(int i=x;i<=(int)y;i++)
#define fr(i,x,y) for(int i=x;i>=(int)y;i--)
#define pb push_back
#define mp make_pair
#define LL long long
const LL Mod=1000*1000*1000+7;
int n,m;
LL w,h;
LL x[2002],y[2002],rad[2002];
int used[2002];
int ka_jan[2002][2002];
LL Rad_Now;
///poxiiiiiiiiiiiii
int over_lap(LL x1,LL y1,LL r1,LL x2,LL y2,LL r2)
{
r1+=Rad_Now;
r2+=Rad_Now;
LL dist=(LL)(x1-x2)*(x1-x2)+(LL)(y1-y2)*(y1-y2);
LL R_sum=(LL)(r1+r2)*(LL)(r1+r2);
if(R_sum>dist)
return 1;
return 0;
}
int Ver_Now;
void dfs(int v)
{
ka_jan[Ver_Now][v]=1;
ka_jan[v][Ver_Now]=1;
used[v]=1;
for1(i,n)
{
if(used[i]==0 && over_lap(x[v],y[v],rad[v],x[i],y[i],rad[i])==1)
dfs(i);
}
}
vector<int> ux_hat(LL x1,LL y1,LL r1)
{
r1+=Rad_Now;
vector<int> ans;
if((x1-r1) < Rad_Now)
ans.pb(1);
if((y1+r1) > (h-Rad_Now))
ans.pb(2);
if((x1+r1) > (w-Rad_Now))
ans.pb(3);
if((y1-r1) < Rad_Now)
ans.pb(4);
return ans;
}
int karagna[5][5];
void pox(int i,int j)
{
karagna[i][j]=0;
karagna[j][i]=0;
}
void check(LL nrad)
{
Rad_Now=nrad;
for1(i,n)
for1(j,n)
ka_jan[i][j]=0;
for1(i,n)
{
for1(j,n)
used[j]=0;
Ver_Now=i;
dfs(i);
}
int hat_i[5];
int hat_j[5];
for1(i,4)
for1(j,4)
karagna[i][j]=1;
for1(i,n)
for1(j,n)
{
if(i!=j && ka_jan[i][j]==1)
{
vector<int> fi=ux_hat(x[i],y[i],rad[i]);
vector<int> fj=ux_hat(x[j],y[j],rad[j]);
for1(z,4)
{
hat_i[z]=0;
hat_j[z]=0;
}
for0(z,fi.size()-1)
hat_i[fi[z]]=1;
for0(z,fj.size()-1)
hat_j[fj[z]]=1;
if((hat_i[1]+hat_j[2])==2)
{
pox(4,1);
pox(4,2);
pox(4,3);
}
if((hat_i[1]+hat_j[3])==2)
{
pox(4,1);
pox(4,2);
pox(3,1);
pox(3,2);
}
if((hat_i[1]+hat_j[4])==2)
{
pox(1,4);
pox(1,3);
pox(1,2);
}
if((hat_i[2]+hat_j[3])==2)
{
pox(1,3);
pox(4,3);
pox(2,3);
}
if((hat_i[2]+hat_j[4])==2)
{
pox(1,2);
pox(1,3);
pox(4,3);
pox(4,2);
}
if((hat_i[3]+hat_j[4])==2)
{
pox(1,2);
pox(4,2);
pox(3,2);
}
}
}
}
int answer[5][5];
int main()
{
cin>>n>>m;
cin>>w>>h;
for1(i,n)
cin>>x[i]>>y[i]>>rad[i];
for1(i,4)
fo(j,i,4)
{
if(i!=j)
{
int l=0;
int r=1000000000;
while(1)
{
// cout<<l<<" "<<r<<endl;
if(l==r)
{
answer[i][j]=l;
answer[j][i]=l;
break;
}
int m=(l+r+1)/2;
check(m);
if(karagna[i][j]==1)
l=m;
else
r=(m-1);
}
}
}
for1(i,m)
{
LL R;
int Ent;
scanf("%lld%d",&R,&Ent);
for1(j,4)
if(answer[Ent][j]>=R || j==Ent)
printf("%d",j);
printf(" \n");
}
return 0;
}
/*
5 3
16 11
11 8 1
6 10 1
7 3 2
10 4 1
15 5 1
*/
Compilation message
park.cpp: In function 'int main()':
park.cpp:184:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%lld%d",&R,&Ent);
~~~~~^~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2550 ms |
16120 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1322 ms |
16120 KB |
Output is correct |
| 2 |
Correct |
1569 ms |
16120 KB |
Output is correct |
| 3 |
Correct |
1275 ms |
16120 KB |
Output is correct |
| 4 |
Correct |
1210 ms |
16120 KB |
Output is correct |
| 5 |
Correct |
1043 ms |
16120 KB |
Output is correct |
| 6 |
Execution timed out |
2557 ms |
16120 KB |
Time limit exceeded |
| 7 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Execution timed out |
2550 ms |
16120 KB |
Time limit exceeded |
| 2 |
Halted |
0 ms |
0 KB |
- |
