题解 | #图像相似度#

int main()
{
    int m = 0;
    int n = 0;
    int x = 0;
    double count = 0.0;//计数：相同像素个数
    int arr1[100][100] = { 0 };
    int arr2[100][100] = { 0 };
    scanf("%d %d", &m, &n);//获取m和n
    for (int i = 0; i < m; i++)//获取第一个像素阵列
    {
        for (int j = 0; j < n; j++)
        {
            scanf("%d", &arr1[i][j]);
        }
    }
    for (int i = 0; i < m; i++)//获取第二个像素阵列
    {
        for (int j = 0; j < n; j++)
        {
            scanf("%d", &arr2[i][j]);
        }
    }
    for (int i = 0; i < m; i++)//在这两个像素阵列中找相同的，count计数
    {
        for (int j = 0; j < n; j++)
        {
            if (arr1[i][j] == arr2[i][j])
            {
            count++;
            }
        }
    }
    printf("%.2lf", count*100 / (m * n));//*100是打印成百分比形式
    return 0;
}