Submission #85308

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Source Code Expand

#include<iostream>
#include<algorithm>
#include<cstdio>
#include<cstring>
using namespace std;
#define T 1000
int n;
int x[20005],y[20005];
int a[5][2005],b[5][2005];
void oku(){
	int i;
	scanf("%d",&n);
	for(i=1;i<=n;i++)
		scanf("%d %d",&x[i],&y[i]);
}
void coz(){
	int i,j,mn=1000000000;
	for(i=0;i<=2000;i++)
		a[0][i]=b[0][i]=abs(i-1000);
	for(i=0;i<=n-1;i++)
		for(j=-1000;j<=1000;j++){
			a[(i+1)%2][j+T]=min(a[i%2][j+T]+abs(x[i]-x[i+1]),b[i%2][x[i+1]+T]+abs(y[i]-j));
			b[(i+1)%2][j+T]=min(b[i%2][j+T]+abs(y[i]-y[i+1]),a[i%2][y[i+1]+T]+abs(x[i]-j));
		}
	for(i=0;i<=2000;i++)
		mn=min(mn,min(a[n%2][i],b[n%2][i]));
	printf("%d\n",mn);
}
int main(){
	oku();
	coz();
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘void oku()’:
./Main.cpp:12: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result
./Main.cpp:14: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result

Judge Result