#include<iostream>
#include<math.h>
using namespace std;

int doAhpWeight(int n, double x[], double w[], double &CR)
{
        //n:判断矩阵维数,输入值
        //x:判断矩阵,输入值
        //w:特征向量,即权重,返回值
        //CR:随机一致性比率CR=CI/RI,返回值
        //返回0为正常;返回-1为判断矩阵格式不合要求;返回-2为不满足一致性
        const double RI[16] = {0.0, 0.0, 0.0, 0.5149, 0.8931, 1.1185, 1.2494, 1.3450, 1.4200,
                        1.4616, 1.4874, 1.5156, 1.5405, 1.5583, 1.5779, 1.5894};
        int i, j;
        double tmpSum1, tmpSum2;
        double rMax;
        double CI;
        double *q;
        double *c;
        q = new double[n*n];
        c = new double[n];
        if (n<=1 || n>=16)
                return -1;
        for (i=0; i<n; i++)
        {
                if ( fabs(x[i*n+i]-1.0) > 0.00001 )
                                return -1;
                for (j=0; j<n; j++)
                {
                        if (fabs(x[i*n+j]*x[j*n+i]-1.0) > 0.001)
                                return -1;
                }
        }
        for (j=0; j<n; j++)
        {
                tmpSum1 = 0.0;
                for (i=0; i<n; i++)
                {
                        tmpSum1 = tmpSum1 + x[i*n+j];
                }
                for (i=0; i<n; i++)
                {
                        q[i*n+j] = x[i*n+j]/tmpSum1;
                }
        }
        for (i=0; i<n; i++)
        {