Submission #305611

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Source Code Expand

#include <cstdio>

int n;
int digs[8];
void dial(int num,int dig) {
	digs[num]=dig;
	if(num==n) {
		for(int i=1;i<=n;i++) printf("%d",digs[i]);
		printf("\n");
	} else {
		if(digs[num+1]==0) {
			for(int i=0;i<10;i++) dial(num+1,i);
		} else {
			for(int i=9;i>=0;i--) dial(num+1,i);
		}
	}
}
int main() {
	scanf("%d",&n);
	for(int i=0;i<n;i++) printf("9");
	printf("\n");
	for(int i=1;i<=n;i++) digs[i]=0;
	for(int i=0;i<10;i++) dial(1,i);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result