#include<stdio.h>
#include<iostream>
float a[5][5] = { 1,2,4,6,7,1 / 2,1,3,5,6,1 / 4,1 / 3,1,4,5,1 / 6,1 / 5,1 / 4,1,3,1 / 7,1 / 6,1 / 5,1 / 3,1 };
int main()
{
	float b[100], c[100], sum = 0.0;
	int  n = 5, i, j;
	for (i = 0; i < n; i++)
	{
		for (j = 0; j < n; j++)
			sum += a[j][i];
		b[i] = sum;
		sum = 0.0;
	}
	for (i = 0, sum = 0; i < n; i++)
		sum += b[i];
	b[n] = sum;
	for (i = 0; i < n; i++)
	{
		sum = 0;
		for (j = 0; j < n; j++)
			sum += a[i][j]/b[j];
		c[i] = sum/n;
	}
	for (sum = 0, i = 0; i < n; i++)//检验
		sum += c[i];
	if (abs(sum - 1) < 1e-5)
		printf("检验通过\n");
	else
	{
		printf("检验未通过");
		return 0;
	}
	printf("权重分别为:\n");
	for (i = 0; i < n; i++)
	{
		if (i % n == 0)
			printf("\n");
		std::cout << c[i] << std::endl;
	}
	return 0;
}