Submission #432770

---

Source Code Expand

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<math.h>
 
#define INF 1000000000
#define M 1000000007
 
#define min(a,b) (((a)<(b))?(a):(b))
#define max(a,b) (((a)>(b))?(a):(b))

int compare( const void *x, const void *y){
	return strcmp( * (char **) x, * (char **) y);
}

int main() {
	int i,j;
	char S[5];
	char dictionary[25][3];
	char *sorted_dictionary[25];
	int N;
	int r, c;
	int turn = 1;
	
	scanf("%s", S);
	scanf("%d", &N);
	
	for(i=0;i<5;i++) {
		for(j=0;j<5;j++) {
			dictionary[i*5+j][0] = S[i];
			dictionary[i*5+j][1] = S[j];
			dictionary[i*5+j][2] = '\0';
			
			sorted_dictionary[i*5+j] = dictionary[i*5+j];
		}
	}
	
	qsort(sorted_dictionary, 25, sizeof( char *), compare);
	
	printf("%s\n", sorted_dictionary[N-1]);
	
	return 0;
}

Submission Info

Compile Error

./Main.c: In function ‘main’:
./Main.c:25:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", S);
  ^
./Main.c:26:2: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ^

Judge Result