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

#define	SIZE	5
double	sheet[SIZE][SIZE];

int	clearSheet() {
	int	row,col;

	for (row=0;row<SIZE;row++)
		for (col=0;col<SIZE;col++)
			sheet[row][col]=0;

	return 0;
}

int	printSheet() {
	int	row,col;

	printf("\t A\t B\t C\t D\t E\n");
	for (row=0;row<SIZE;row++) {
		printf("%d", row+1);
		for (col=0;col<SIZE;col++) {
			printf("\t%1.2f", sheet[row][col]);
		}
		printf("\n");
	}

	return 0;
}

int	setSheet(int row, int col, double val) {
	if ((row >= 0 && row < SIZE) && (col >= 0 && col < SIZE)) {
		sheet[row][col] = val;
	} else {
		return -1;
	}

	return 0;
}

double	getSheet(int row, int col) {
	return sheet[row][col];
}

int	main(int argc, char **argv) {
	clearSheet();
	setSheet(0,0,-1.2);
	setSheet(1,1,-1.3);
	setSheet(2,2,-1.4);
	setSheet(3,3,-1.5);
	setSheet(4,4,-1.6);

	setSheet(1,0, 'A' + 1.2);
	setSheet(1,1, 'B' + 1.3);
	setSheet(1,2, 'C' + 1.4);
	setSheet(1,3, 'D' + 1.5);
	setSheet(1,4, 'E' + 1.6);
	printSheet();
	return 0;
}