Submission #1441338

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Source Code Expand

#include<iostream>
#include<cstdio>
using namespace std;
int sx,sy,tx,ty;
int mabs(int x)
{
	if(x<0)return -x;else return x; 
}
int main()
{
	scanf("%d%d%d%d",&sx,&sy,&tx,&ty);
	for(int i=1;i<=mabs(sy-ty);i++)printf((ty>sy)?"U":"D");
	for(int i=1;i<=mabs(sx-tx);i++)printf((tx>sx)?"R":"L");
	for(int i=1;i<=mabs(sy-ty);i++)printf((ty<sy)?"U":"D");
	for(int i=1;i<=mabs(sx-tx)+1;i++)printf((tx<sx)?"R":"L");
	for(int i=1;i<=mabs(sy-ty)+1;i++)printf((ty>sy)?"U":"D");
	for(int i=1;i<=mabs(sx-tx)+1;i++)printf((tx>sx)?"R":"L");
	printf((ty>sy)?"D":"U");
	printf((tx>sx)?"R":"L");
	for(int i=1;i<=mabs(sy-ty)+1;i++)printf((ty<sy)?"U":"D");
	for(int i=1;i<=mabs(sx-tx)+1;i++)printf((tx<sx)?"R":"L");
	printf((ty>sy)?"U":"D");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:11:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d%d",&sx,&sy,&tx,&ty);
                                   ^

Judge Result