Submission #5415475

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Source Code Expand

#include <iostream>
#include <cstdio>
using namespace std;
int n;
int u[7]={0,1,2,3,4,5,6};

inline void swap(int &a,int &b) {
	int l=a;
	a=b;
	b=l;
}

int main() {
	scanf("%d",&n);
	for( register int i=0;i<n;i++) {
		swap(u[i%5+1],u[i%5+2]);
	}
	for( register int i=1;i<=6;i++) printf("%d",u[i]);
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
                ^

Judge Result