Submission #455893
Source Code Expand
#include <cstdio>
#include <algorithm>
#include <string>
#include <set>
#include <map>
#include <iostream>
#include <sstream>
#include <cstring>
#include <cstdlib>
#include <bitset>
#include <math.h>
#include <functional>
#include <vector>
#include <queue>
#include <stack>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int uint;
typedef pair<int,int> pii;
typedef pair<int,ll> pil;
typedef pair<ll,int> pli;
typedef pair<int,pii> pip;
typedef pair<ll,ll> pll;
typedef pair<ll,pii> plp;
#define rep(i,n) for(int i=0;i<n;i++)
#define repn(i,a,n) for(int i=a;i<n;i++)
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define MAX(x,a) x=max(x,a)
#define MIN(x,a) x=min(x,a)
int N;
int X[20000],Y[20000];
int dp[2001][2];
int tmp[2001][2];
void dpset(int id,int x,int y,int s)
{
if(x==X[id])MIN(dp[y][0],s);
if(y==Y[id])MIN(dp[x][1],s);
}
int main()
{
scanf("%d",&N);
rep(i,N)scanf("%d%d",&X[i],&Y[i]),X[i]+=1000,Y[i]+=1000;
rep(i,2001)dp[i][0]=dp[i][1]=tmp[i][0]=tmp[i][1]=1145141919;
rep(i,2001)
{
dp[i][0]=abs(X[0]-1000)+abs(i-1000);
dp[i][1]=abs(i-1000)+abs(Y[0]-1000);
}
repn(i,1,N)
{
rep(j,2001)tmp[j][0]=dp[j][0],tmp[j][1]=dp[j][1];
rep(j,2001)dp[j][0]=dp[j][1]=1145141919;
rep(j,2001)
{
int x=X[i-1],y=j;
MIN(dp[y][0],tmp[j][0]+abs(X[i]-x));
MIN(dp[x][1],tmp[j][0]+abs(Y[i]-y));
x=j,y=Y[i-1];
MIN(dp[y][0],tmp[j][1]+abs(x-X[i]));
MIN(dp[x][1],tmp[j][1]+abs(y-Y[i]));
}
}
int res=1145141919;
rep(i,2001)rep(j,2)MIN(res,dp[i][j]);
printf("%d\n",res);
}
Submission Info
Submission Time
2015-07-26 18:42:29+0900
Task
1 - Hermes
User
namonakiacc
Language
C++ (G++ 4.6.4)
Score
100
Code Size
1654 Byte
Status
AC
Exec Time
435 ms
Memory
1112 KB
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:48:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:49:57: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
Judge Result
Set Name
Set01
Set02
Set03
Set04
Set05
Set06
Set07
Set08
Set09
Set10
Set11
Set12
Set13
Set14
Set15
Set16
Set17
Set18
Set19
Set20
Score / Max Score
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
5 / 5
Status
Set Name
Test Cases
Set01
01
Set02
02
Set03
03
Set04
04
Set05
05
Set06
06
Set07
07
Set08
08
Set09
09
Set10
10
Set11
11
Set12
12
Set13
13
Set14
14
Set15
15
Set16
16
Set17
17
Set18
18
Set19
19
Set20
20
Case Name
Status
Exec Time
Memory
01
AC
37 ms
888 KB
02
AC
34 ms
892 KB
03
AC
36 ms
952 KB
04
AC
36 ms
952 KB
05
AC
34 ms
892 KB
06
AC
39 ms
980 KB
07
AC
32 ms
892 KB
08
AC
32 ms
892 KB
09
AC
33 ms
988 KB
10
AC
34 ms
984 KB
11
AC
35 ms
956 KB
12
AC
36 ms
960 KB
13
AC
37 ms
888 KB
14
AC
38 ms
1048 KB
15
AC
41 ms
896 KB
16
AC
54 ms
892 KB
17
AC
234 ms
984 KB
18
AC
376 ms
1024 KB
19
AC
435 ms
1112 KB
20
AC
135 ms
1024 KB