Submission #538930

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Source Code Expand

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(){
	int i,n,a;
	long int b[100002],c[100002]={};
	char str[100002];

	scanf("%d %d", &n, &a);
	scanf("%s", &str);
	for(i=1;i<=n;i++) scanf("%ld",&b[i]);

	if(strlen(str)<6){
		for(i=0;i<atoi(str);i++) a = b[a];
		printf("%d\n",a);
		return 0;
	}

	long long int pos=a,cnt=1;
	while(c[pos]==0){
		c[pos]=cnt++;
		pos=b[pos];
	}
	
	long long int loop = cnt - c[pos];
	long long int mod = 0;
	for(i=0;i<strlen(str);i++)
		mod = (mod * 10 + str[i] - '0') % loop;

	for(i=0;i<mod+loop*20;i++)a=b[a];
	printf("%d\n",a);
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:11:2: warning: format ‘%s’ expects argument of type ‘char *’, but argument 2 has type ‘char (*)[100002]’ [-Wformat=]
  scanf("%s", &str);
  ^
./Main.c:10:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &a);
  ^
./Main.c:11:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", &str);
  ^
./Main.c:12:20: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  for(i=1;i<=n;i++) scanf("%ld",&b[i]);
                    ^

Judge Result