Submission

Score: 100

User: lingusso

Problemset: จำนวนเฉพาะก่อนหน้า

Language: c

Time: 0.002 second

Submitted On: 2025-10-12 17:29:00

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

int main(){
	int n,r=0,c=1;
	int a[5];
	scanf("%d",&n);
	for(int i = n-1;i>=0;i--){
			c = 1;
		for(int j = 2;j*j<=n;j++){
			if(i % j == 0){
				c = 0;
				break;
			}
		}
		if(c != 0){
			a[r] = i;
			r++;
		}
		if(r == 6){
			break;
		}
	}
	for(int i=4;i>=0;i--){
		printf("%d ",a[i]);
	}
	return 0;
}