#include <stdio.h>
int main()
{
	float ogr[3][4];
	int s, m=3, n=3;
	printf("ogrenci bilgileri: \n");
	for (int s = 0; s<=n; s++) {
		printf("%d nolu ogrenci num: \n",s);
		scanf("%f",&ogr[s][0]);
		for (int k = 1; k <= n-1 ;k++) {
			printf("%d nolu ogrenci notunu giriniz: ",s);
			scanf("%f",&ogr[s][k]);
		}
		ogr[s][3]=(ogr[s][1]*0.20)+(ogr[s][2]*0.80);
		printf("ortalama: %f\n",ogr[s][3]);
	}
	for ( s = 0; s<=n; s++) {
		for (int k = 0; k <= n ;k++) 
			printf("%d ",ogr[s][k]);
		printf("\n");
	}
	printf(" girilen ve hesaplanan ogrenci bilgileri; \n");
	for (s=1; s<=m ;s++){
		for( int k=0; k<-n; k++){
			printf("%3.2f",ogr[s][k]);
		} printf("\n");
	}
}