Submission #1498771

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Source Code Expand

#include<cstdio>
int a,b,c,d,i,j,k;
int req[20005],up[20005],down[20005],target[20005];
int main(){
	scanf("%d",&a);
	for (i=1;i<=a;i++) {
		scanf("%d",&c);
		req[c]=i;
	}
	for (i=1;i<=a;i++) target[i]=500-a+req[i];
	up[1]=1;
	down[1]=target[1]-up[1];
	for (i=2;i<=a;i++){
		down[i]=down[i-1]-1;
		up[i]=target[i]-down[i];
		if (up[i]<=up[i-1]){
			c=up[i-1]-up[i]+1;
			up[i]+=c;
			down[i]-=c;
		}
	}
	for (i=1;i<=a-1;i++)  printf("%d ",up[i]);
	printf("%d\n",up[a]);
	for (i=1;i<=a-1;i++)  printf("%d ",down[i]);
	printf("%d\n",down[a]);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:5:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&a);
                ^
./Main.cpp:7:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&c);
                 ^

Judge Result